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Ozone-Layer Protection in Taiwan
THE
GLOBAL CONSENSUS
Scientists
as early as 1974 demonstrated that the stratospheric ozone is being
destroyed by chlorofluorocarbons (commonly called CFCs), which has
been extensively used in aerosol sprays, refrigerators, air
conditioners, and foams. When CFCs reach up to the stratosphere,
where with intense UV radiation, will exacerbate the bond breaking
of CFC molecules. Subsequently, chlorine atoms are released to
initiate the ozone depletion reactions. As estimated, one chlorine
atom can destroy over 100,000 ozone molecules before finally being
removed from the stratosphere. Discovery of an ozone hole over the
Antarctic Circle in 1985 verified this theory.
In
light of the negative impact of ozone depletion on the global
environment, the United Nations Environmental Programme (UNEP)
convened governments worldwide to derive a solution. In March 1985,
the Vienna Convention on the Protection of the Ozone Layer was
adopted. In September 1987, the Montreal Protocol established
compulsory global mandates to limit the production and consumption
of ozone-depleting substances (ODS), and started with 5 CFCs and 3
halons. In June 1990, the Second Meeting of the Parties to the
Montreal Protocol (2nd MOP) took place in London, the London
Amendment resulted in adding 10 more halogenated CFCs, carbon
tetrachloride (CCl4), and 1,1,1-trichloroethane (methyl chloroform,
MCF) to the list of the controlled substances. In November 1992, the
4th MOP took place in Copenhagen. During this event, the Protocol
was further amended to add hydrochlorofluorocarbons (HCFCs),
hydrobromofluorocarbons (HBFCs), and methyl bromide to the chemicals
to be phased out. The Copenhagen Amendment also resulted in
accelerating the previous timetables for phasing out halons by
January 1, 1994 and CFCs, MCF, CCl4, HBFCs by January 1, 1996, as
well as freezing the level of HCFC consumption in 1996.
In
1995, delegates to the 7th MOP in Vienna consented to lower the
HCFCs cap set in the Copenhagen Amendment from 3.1% to 2.8%. The
final decisions included completely phasing out HCFCs by 2030.
However, 0.5% of the calculated level of consumption is restricted
to the servicing of refrigeration and air conditioning equipment for
the final ten years (from 2020 to 2030). Moreover, the decisions
included the complete phase-out of production and consumption of
methyl bromide by 2010, but the quarantine and pre-shipment uses are
exempted. In September 1997, the 9th MOP held in Montreal, delegates
agreed to move forward the phase-out of methyl bromide to 2005 from
2010. Despite the fact that the Meeting did not accelerate the
phasing-out HCFCs. In November 1999, the 11th MOP held in Beijing,
participants reached agreement on the Beijing Amendment. The
decision on the Beijing Amendment covered the control measure of
HCFCs production and the listing of bromochloromethane as a new
controlled substance.
The
Montreal Protocol emerged as an effective means of resolving
environmental problems in a global scale in 1990s. 175 countries
have already become Parties by September 28, 2000. Industrialized
countries (non-Article 5 Parties) have phased out CFCs, halons,
CCl4, and MCF and started controlling the consumption of HCFCs and
methyl bromide, some countries even established a schedule to
prohibit the use of HCFCs in various applications. In July 1999,
developing countries (Article 5 Parties) concerted their efforts on
freezing their CFC consumption levels. In September 2000, the NASA
spectrometer detected an Antarctic ozone "hole" (commonly
referred to as an "ozone depletion area" among scientists)
that is three times larger than the entire land mass of the United
States - the largest such area ever observed. Recovering the ozone
layer by 2050 will be impossible unless the Montreal Protocol and
its Amendments and Adjustments are fully complied with.
In
addition to ozone protection related issues, the growing number of
signatories to the United Nations Framework Convention on Climate
Change (UNFCCC) also attests that the greenhouse effect has received
increasing attention. In the third Conference of Parties to the
UNFCCC in 1997, the Kyoto Protocol was adopted. The agreement
stipulates that in the Annex 1 Parties to the UNFCCC, their
collective emissions of six greenhouse gases that are CO2, CH4, N2O,
HFCs, PFCs, and SF6, would be 5.2% below 1990 levels in the
commitment period 2008 to 2012. HFCs are normally used as
alternatives for CFCs and HCFCs. However, it is one of the
greenhouse gases listed in the Kyoto Protocol. For long-term
benefits, the industries should pay attention to the potential
effects of ozone depletion and global warming when selecting
alternative technologies. While attempting to harmonize the
aspirations of both the Montreal Protocol and the Kyoto Protocol,
high priority should be placed on eliminating any substantive
contradictions among preventing ozone depletion and global warming.
THE R.O.C. GOVENMENT'S COMMITMENT
The
R.O.C. Government has actively participated in various environmental
issues. The Department of Health banned the use of CFCs in cosmetic
aerosol sprays in May 1983. Immediately following the adopting of
the Montreal Protocol, the Government expressed its desire to become
a signatory of the Protocol to fulfill its obligation to protect the
global environment. The Government announced that it would comply
with the Montreal Protocol in controlling and reducing the
production and consumption of ODS. The Government has commissioned
Industrial Technology Research Institute (ITRI) to conduct research
and development regarding ODS reduction measures and technologies.
As an observer, the ITRI has attended several Meetings of the
Parties to the Montreal Protocol since 1990, and expressing the
willingness to protect the ozone layer on behalf of the R.O.C.
Government. Hoping that any international sanctions or negatively
impacts to the economies could be averted.
In
June 1989, the Industrial Development Bureau of the Ministry of
Economic Affairs convened a task force on the Montreal Protocol that
included the Ministry of Foreign Affairs, the Executive Yuan's
Environment Protection Administration, and ITRI. In August 1991, the
Executive Yuan's Environmental Protection Administration established
an inter-ministerial task force on the Montreal Protocol to
reinforce the efforts on ozone layer protection. Later, in view of
the connection between ozone depletion and global warming, the task
force was expanded into the "Executive Yuan's Special Task
Force on Global Environmental Changes" in May 1992. This body
was later recognized into the "Committee on Global Change
Policy, Executive Yuan " in August 1994. The Committee operates
more effective than its predecessor, due to it has program specific
staffs allocated to handle administrative tasks. Later, the
Executive Yuan organized a "National Council for Sustainable
Development (NCSD)" in August 1997. This Council comprised of
eleven working groups to address pertinent issues. The "Working
Group for Atmospheric Protection and Energy" actively responds
to the mandates of the Montreal Protocol and the United Nations
Framework Convention on Climate Change.
In
November 1992, members from the government, industry, and academia
established the "Association of Ozone Layer Protection in
Taiwan" to assist industries to stop the use of ODS. To further
assist local industries in effectively controlling the greenhouse
gases and addressing issues related to atmospheric protection, the
Association changed its name in 1997 to the "Association of
Atmosphere Protection in Taiwan, AAPT ". In December 1998, This
Association and the Japan Industrial Conference for Ozone Layer
Protection (JICOP) became the sister corporations for sharing the
information and technologies in relation to the ozone layer
protection.
The
Taipei International Conference on Ozone Layer Protection was
organized in 1989 and has been held biannually since. ITRI is
responsible for coordinating related activities. Motivated by
efforts to prevent global warming and ozone layer depletion, the
Conference was renamed as the "Taipei International Conference
on Atmosphere Protection" in 1999. The Conference invited
renowned researchers and experts worldwide to present and discuss
their works on diverse topics such as ozone layer protection, ODS
alternative technologies, global warming policies, and greenhouse
gases reduction. Moreover, ITRI has been a member of the
international organization, the Alliance for Responsible Atmospheric
Policy, to gather the newest information and the latest technologies
worldwide.
Following
the Executive Yuan's Environmental Protection Administration, the
Industrial Development Bureau of the Ministry of Economic Affairs,
and related industries have worked diligently on protecting the
ozone layer in Taiwan for the past decade. Including phased out
halon consumption since January 1, 1994, the production and
importation of CFC were stopped and HCFC consumption has been
controlled since January 1, 1996. According to the Beijing
Amendment, the non-Article 5 Parties will freeze HCFC production on
January 1, 2004. However, CFCs and HCFCs were not produced yet in
1989 in Taiwan, thereby adjusting the cap set in the Beijing
Amendment inapplicable to Taiwan. The Working Group for Atmospheric
Protection and Energy of NCSD will determine the HCFC production
cap, as well as the halon and CFC management strategies in Taiwan.
OUR
EFFORTS
Protecting
the ozone layer should not hinder continuous economic development.
Under this premise, the R.O.C. Government began to implement
controlling measures through regulatory vehicle, right after the
declaration of its intention to comply with the Montreal Protocol in
1989. In compliance with governmental policies, the Formosa Plastics
Corporation, which was the only company producing CFCs and HCFCs in
Taiwan, has stopped its production of CFCs since January 1, 1996.
Earlier than that, the Formosa Plastics Corporation also constructed
a CFC incinerator with capacity of handling up to 7 tonnes daily by
the technology assistance from Japan. Construction was completed in
August 1994. The incinerator is used to handle the contaminated CFCs
that cannot be recovered and the illegal CFCs from the customs.
From
January 1996, the Government started to freeze the consumption of
HCFCs. The cap, which is used as a baseline for R.O.C., is 638.156
ODP tonnes, and a HCFCs quota system was promulgated. The HCFCs
quotas were permitted to the end-users, importers, and domestic
producers accordingly. In compliance with the phase-out schedule of
the Montreal Protocol, the consumption of HCFCs should not exceed
zero by January 1, 2030.
Under
the Montreal Protocol, the calculated level of consumption of HCFCs
shall reduce 35% by 2004. To meet this quantitative limits, the
Industrial Development Bureau of the Ministry of Economic Affairs
commissioned ITRI two years ago to establish a schedule in Taiwan to
stop the use of HCFCs in various applications. According to ITRI
research, HCFCs should not be used in solvent cleaning after January
1, 2006 and foam blowing after 2008, and should not be used as the
refrigerant after 2010 or later. The Government will announce the
phase out date sequentially after discussing this schedule with
relevant industrial sectors. The calculated level of HCFC
consumption under the Montreal Protocol can hopefully be complied if
the above schedule is adhered to.
By
celebrating the 10th anniversary of the devotion on raising the
awareness of the ozone layer protection in Taiwan, and in support of
the International Day for the Preservation of the Ozone Layer, ITRI
and AAPT were funded to hold the 1999 Taipei International
Conference on Atmosphere Protection and the Painting Contest for
Children. The latter is particularly important for educating
children on the importance of protecting the ozone layer, reducing
the greenhouse effect, and sustaining the air quality.
Phase-out
schedule for Taiwan suggested by ITRI(2000.4) Ban on use from sector
Use
2003.1.1 Solvent cleaning Electronics (For cleaning the information
technology products)
Foam blowing For the soft and semi-rigid PU foam
2004.1.1 Solvent cleaning For cleaning non-electronic products
Foam blowing For the rigid PU foams not for insulation
For the rigid PU foams for normal temperature insulation
2006.1.1 Solvent cleaning Electronics (For cleaning the
communication products)
Foam blowing For the polystyrene and polyolefin foam
2008.1.1 Foam blowing For the rigid PU foams for low temperature
insulation
2010.1.1or later Refrigerant For the centralized air-conditioners
For the household air-conditioners
For the commercial showcases
For the transport refrigeration
For the vending machine and Residential Dehumidifiers
2030.1.1 Refrigerant For the servicing of refrigeration and air
conditioning equipment
Technical
Assistance---- ITRI
has developed, introduced, assessed, and promoted the use of ODS
alternatives and recovering technologies. Notable achievements in
this area include the following:
Analytical Methods
Established analytical methods for CFCs.
‧ Established analytical methods for halons.
‧ Established analytical methods for CFCs residues in foam
products.
‧ Established analytical methods for the electronic-migration
and surface insulation resistance on motherboards.
‧ Established a no-clean technology including reliability test
on the reflow process of SMT for modem wiring communication
products.
‧ Established a aqueous-clean technology and performed a
reliability test of HHBT (High temperature High Humidity and Bias
Test) and TC (Thermal Cycle) for the printed circuit board of a
mobile phone.
‧ Completed the performance test of using R-407C for the
specific compressor in household air conditioners.
Incentives----
‧Higher investment allowances and minimum interest rate loans
are offered to ODS alternatives and ODS recycling facilities that
have been certified as pollution prevention facilities.
‧Companies Adopt ODS alternatives and recycling facilities can
report their depreciation at a more accelerated rate.
‧Equipment and appliances that are not locally available can
be imported tariff free.
‧August 1991-The Ministry of Economic Affairs Industrial
Development Bureau's "Regulations for Controlled Substances
Pursuant to the Montreal Protocol" were revised according to
the London Amendment.
‧Since 1993, the "R.O.C. Ozone Layer Protection
Award" has been bestowed biannually upon organizations having
excelled effort in reducing use of ODS. It was expanded to
"R.O.C. Atmosphere Protection Award" in 1997. The Award is
bestowed upon the organization that reduces the use of ODS, develops
alternative technologies and, in doing so, prevents the greenhouse
effect, and improves the air quality.
‧Since July 1995, tariff free status was made available for
imported ODSs alternatives that are locally unavailable.
CFCs
Alternative Technologies----
Completed development of the mobile air conditioning refrigerant's
replacing and retrofitting technologies.
‧ Completed development of low-pressure refrigerant recovery
technologies.
‧ Completed development of drinking fountain refrigerant with
HCFC-22 retrofitting technology.
‧ Refrigerant recovery machines are commercially available.
‧ Completed development of blend refrigerant technologies to
replace CFC-12.
‧ Completed research of non-CFC foaming technologies for PS
and PE.
‧ Completed development of using HCFC-141b as the blowing
agent in refrigerators.
‧ Assisted electronics, optical component manufacturers, and
metal cleaning industries in developing alternative cleaning
solvents.
‧ Set up a "no-clean" demonstration center of the
Printed Circuit Boards (PCB) for the electronics industries.
HCFCs
Alternative Technologies----
Completed development of the mobile air conditioning refrigerant's
replacing and retrofitting technologies.
‧ Completed development of low-pressure refrigerant recovery
technologies.
‧ Completed development of drinking fountain refrigerant with
HCFC-22 retrofitting technology.
‧ Refrigerant recovery machines are commercially available.
‧ Completed development of blend refrigerant technologies to
replace CFC-12.
‧ Completed research of non-CFC foaming technologies for PS
and PE.
‧ Completed development of using HCFC-141b as the blowing
agent in refrigerators.
‧ Assisted electronics, optical component manufacturers, and
metal cleaning industries in developing alternative cleaning
solvents.
‧ Set up a "no-clean" demonstration center of the
Printed Circuit Boards (PCB) for the electronics industries.
Training
Courses and Seminars
‧More
than 2,500 technicians were trained to replace mobile air
conditioning refrigerants.
‧A seminar was held to assist local electronic industries in
effectively responding to the ODC excise tax while exporting
products to the United States.
‧Invited general public to participate in "Run for the
Ozone Layer Protection" , "Knowledge trip for the
Atmosphere Protection - visiting the Central Weather Bureau"
and the "Painting Competition for Children" to promote the
concepts on ozone layer protection.
‧A seminar was held to assist the local industries in
refrigerant 's alternative technology.
‧Workshops were held for setting the specific date to
eliminate use of HCFCs in various sectors.
‧A seminar for customs inspectors was held to review the
current policies aimed at stopping illegal imports.
‧Sponsored workshops to train custom inspectors to identify
illegal CFCs imports.
Information
Exchange
‧Since
1990, ITRI participated in the Meeting of the Parties to the
Montreal Protocol, Open-Ended Working Group of the Parties, and
other international activities to exchange information and
demonstrate our efforts on phasing out ODS.
‧Since 1989, the "Taipei International Conference on
Ozone Layer Protection" has been held biannually to promote
technologies and information exchanges. It was expanded to the
"Taipei International Conference on Atmosphere Protection"
in 1999. Many globally renowned scholars and experts on the
atmosphere protection were invited, including Dr. Tolba, Professor
Rowland, and Professor Molina who won the Nobel Prize in Chemistry
for explaining how certain artificial chemicals can rise into the
atmosphere and harm the ozone layer.
‧ITRI has been a member of the international organization, the
Alliance for Responsible Atmospheric Policy, for gathering the
newest information.
‧On December 9, 1998, the Association of Atmosphere Protection
in Taiwan and the Japan Industrial Conference for Ozone Layer
Protection (JICOP) became the sister corporations for sharing
information and technologies related to ozone layer protection.
‧ITRI has been browsing the ozone layer protection related web
sites regularly in order to study the trend of global strategies and
alternative technologies.
‧ITRI provided updated information and alternative
technologies via a newsletter, hot line, user manuals, and special
reports for local industries to solve ODS-related problems. ITRI
also frequently sponsored technological seminars to facilitate
efforts on developing ODS alternative technologies for the local
industries.
‧ITRI built an Ozone Layer Protection Homepage as well as the
Alternative Refrigerant Homepage on the Internet to provide the
latest information on ODS related issues and alternative
technologies of refrigerants, respectively.
Regulatory
Measure----
1999
-The Executive Yuan's Environmental Protection Administration
announced that, starting from January 1, 2000, the halon fire
extinguisher should not been imported. (November 11, 1999)
-The Ministry of Economic Affairs and the Executive Yuan's
Environmental Protection Administration announced that, starting
from January 1, 2000, HCFCs should not be used while manufacturing
motherboards, personal computers (only the motherboard and the
interface cards in the laptop or the notebook), and mouse. (June 24,
1999)
1997
-The Executive Yuan's Council of Agriculture revised
"Regulations for Controlled Substances Methyl Bromide" to
control the quotas of importing methyl bromide, the quarantine and
pre-shipment uses are exempted. (November 27, 1997)
1996
-The Executive Yuan's Council of Agriculture revised
"Regulations for Controlled Substances Methyl Bromide" to
revised the quota system and the phase out timetable for methyl
bromide. (February 29, 1996)
-The Ministry of Economic Affairs, in its "Regulations for
Controlled Substances Pursuant to the Montreal Protocol",
announced the banning of importing and manufacturing CFCs, CCl4,
MCF, and HBFC. (January 1, 1996)
1995
-The Executive Yuan's Environmental Protection Administration
announced that, starting from January 1996, products containing CFCs
alternatives can no longer qualify for the Green Mark in Taiwan.
(December 30, 1995)
-The Ministry of Economic Affairs revised the "Regulations for
Controlled Substances Pursuant to the Montreal Protocol? In
addition, as of January 1996, a HCFCs quota system was promulgated
as well. (December 21, 1995)
-The Executive Yuan's Council of Agriculture announced that the
"Regulations for Controlled Substances Methyl Bromide" be
revised. (October 13, 1995)
-The Ministry of Economic Affairs and the Executive Yuan's
Environmental Protection Administration announced that, starting
from January 1996, refrigerators manu-factured locally and imported
should not use CFCs refrigerants and blowing agents. (July 13, 1995)
-The Executive Yuan's Environmental Protection Administration banned
the importing of products containing CFCs and halons from countries
that are not Parties to the Montreal Protocol. (April 13, 1995)
-The Executive Yuan's Environmental Protection Administration
announced an additional list of the Parties of the Montreal Protocol
on trade restriction and reminded of the ban on importing and
exporting of halons starting from January, 1994. (January 26, 1995)
-The Ministry of Economic Affairs announced that, starting from
January 1995, companies importing methyl bromide for industrial
purpose should apply for the quota before the deadline. (January 6,
1995)
1994
-The Executive Yuan's Council of Agriculture announced
"Regulations for Controlled Substances Methyl Bromide"
(December 30, 1994)
-The Executive Yuan's Environmental Protection Administration
announced to place restrictions on the importing and exporting of
ODS, as applicable to Parties or Regions that comply with the
Montreal Protocol. (June 1994)
-The Ministry of Economic Affairs and the Executive Yuan's
Environmental Protection Administration announced that, starting
from July 1994, automobiles manufactured locally and imported should
not use CFCs refrigerants. (January 28, 1994)
1993
-The Executive Yuan's Environmental Protection Administration
announced that all controlled substances pursuant to the Montreal
Protocol could be sold only with government permission. (October 22,
1993)
-The Executive Yuan's Environmental Protection Administration
announced that, starting from January 1994, refrigerants must be
recycled, recovered, or reclaimed in the servicing and disposal of
automobile air conditioners. (October 21, 1993)
1992
-The Ministry of Economic Affairs' "Regulations for Controlled
Substances Pursuant to the Montreal Protocol?were revised according
to the Copenhagen Amendment. (June 30, 1993)Government complied with
Montreal Protocol to control the import of halons. (January 1992)
1991
-The Ministry of Economic Affairs' "Regulations for Controlled
Substances Pursuant to the Montreal Protocol" were revised
according to the London Amendment. (August 13, 1991)
1990
-The Executive Yuan's Environmental Protection Administration banned
the use of CFCs in insecticides. (April 1990)
1989
-The Ministry of Economic Affairs issued "Regulations for
Controlled Substances Pursuant to the Montreal Protocol" and
announced annual CFC consumption quotas. (August 1989)
1983
-The Executive Yuan's Department of Health banned the use of CFCs in
cosmetic aerosol sprays. (May 1983)
Our Accomplishments
The
R.O.C. Government has successfully phased out CFCs, and consumption
was reduced to zero since January 1996. Meanwhile, a HCFCs quota
system was promulgated, the cap which is used as a baseline for
R.O.C. is 638.156 ODP tonnes. Consequently, actually consumption of
HCFCs fell to 535.825 ODP tonnes in 1998, which is 84% of the cap.
The
R.O.C. Government has successfully phased out CFCs, and consumption
was reduced to zero since January 1996. Meanwhile, a HCFCs quota
system was promulgated, the cap which is used as a baseline for
R.O.C. is 638.156 ODP tonnes. Consequently, actually consumption of
HCFCs fell to 511.78 ODP tonnes in 1999, which is 80% of the cap.
In
Taiwan, HCFC-22, HCFC-141b, HCFC-142b, HCFC-123, HCFC-124, and
HCFC-225ca/cb are currently used. Three of them, HCFC-22, HCFC-141b,
and HCFC-142b, are either manufactured domestically by Formosa
Plastics Corporation or imported. The rest are imported from abroad.
The manufacturing of HCFC-22 has steadily increased since 1996,
which is mainly exported. Among HCFC-123, HCFC-124, and
HCFC-225ca/cb, the consumption of HCFC-123 is the highest in 1999.
However, its demand is still less than 1% of the total HCFCs
imported.
In
1999, 99% of HCFC consumption was HCFC-141b and HCFC-22, which
accounts for 58% and 41%, respectively. Based on the submitted data
from the end-user with respect to their annual usage in 1999, 54% of
the HCFCs were used for foam blowing, 41% for refrigerant, and only
5% for the solvent cleaning.
Foam
Blowing----
HCFC-141b
has been used extensively in the foam-blowing sector, especially for
PU foam. Based on the submitted data from the end-user with respect
to their annual usage in 1999, 13% of HCFC-141b has been used in
soft and semi-rigid PU foam, 55% for the rigid PU foams (lncluding
not for insulation and for normal temperature insulation). Twenty
six percent for the rigid foams for under a low temperature
insulation, including 15% for the household refrigerator and 11% for
the cold storage, warehouses and freezer insulation, moreover, only
6% for PS (polystyrene) and PO (polyolefin).
Many
multinational corporations are developing new zero-ODP alternatives.
The most promising alternatives are HFCs, such as HFC-245fa,
HFC-365mfc, and HFC-134a, or CO2 (LCD, liquid form of CO2), or the
hydrocarbon compounds (HC) like cyclo-pentane, n-pentane,
iso-pentane, propane, and butane. In Europe and Japan, although
cyclo-pentane has become more dominant, the safety measure and the
initial capital cost are the major concerns as to whether the local
industries in Taiwan adopt it. On the other hand, commercial
availability of HFC-245fa and HFC-365mfc are scheduled to begin in
2002. However, the fact that HFC is one of the greenhouse gases
listed in the Kyoto Protocol explain why local industries are
unwilling to use HCFC-141b alternatives.
Refrigerants----
HCFC-22
has been extensively used as a refrigerant, followed by HCFC-123
used in the centrifugal chiller. Based on the submitted data from
the end-user with respect to their annual usage in 1999, 54% of
HCFC-22 has been used in household air-conditioners, 10% for the
centralized air-conditioners mainly for the water cooled chiller, 9%
for the transport refrigeration, and 18% for the service and
maintenance of equipment.
HFC-134a
and R-407C are extensively used in household air-conditioners in
Europe, because some European countries prohibited the use of HCFC
in the household air-conditioners on January 1, 1998. Moreover, some
manufacturers supply R-404A chiller for water cooled systems. In the
United States and Japan, R-410A is developing and will eventually
become the main refrigerant in household air-conditioners on the
market, although it is infeasible as a retrofit to existing R-22
systems. In Taiwan, all the centralized air-conditioners are
imported, with the HCFC-123 or HFC-134a refrigerant. The domestic
centralized water cooled chillers and air cooled chillers, not
including the centrifugal chillers, have been used HFC-134a as the
refrigerant. Nevertheless, the technology must be improved further.
In the transport refrigeration, the alternative refrigerants are
R-507, R-404A, and HFC-134a. Last but not the least, in particular,
fixed equipment with a refrigerating fluid charge of more than 10%
in one year will be checked for leakage.
Natural
refrigerants, such as NH3, HC, CO2, water, or air are viable
long-term alternatives owing to their zero ODP and low global
warming potential (GWP), and are currently under development in some
developed countries. The R.O.C. Government is interested in the
global developing trend in alternatives to assist local industries
in switching to the proper alternatives.
Solvent
Cleaning----
Many
electronics manufacturers have adopted HCFC-141b in solvent cleaning
because the original equipment does not need to be replaced, as well
as having similar operating conditions and a reasonable cost. In
Taiwan, HCFC-141b is mainly used in cleaning the communication and
the information technology products. According to submitted data
from the end-user with respect to their annual amount of usage in
1999, in communication products, 34% of HCFC-141b used for cleaning
LCD has been the highest in Taiwan, and the next is hybrid that
takes 24%, which is because the communication products require high
standard cleanness. For other applications, cleaning GSM, cellular
phone, modem, and other communication products account for 9%. In
information technology products, 9% of HCFCs used for cleaning
quartz oscillator and the computer accessories, 6% for cleaning
motherboards, less than 0.5% for personal computers.
Most
manufacturers that produce motherboards, personal computers, and the
mouse have adopted the no-clean technology. The Government has
announced its intentions to stop using HCFC-141b in the cleaning
process of manufacturing the above products, which was effective on
January 1, 2000. For the current electronics industries in Taiwan,
30% adopt HCFC-141b in solvent cleaning, 50% adopt no-clean
technology, 15% adopt aqueous technology, and 5% adopt
silicone-based or fluorinated solvents. ITRI is currently assisting
the local communication industries in switching to HCFCs alternative
cleaning technologies such as aqueous, semi-aqueous, hydrocarbons,
and silicone-based solvent.
Recognition
by the Global Community----
ITRI
has made extraordinary efforts not only in assisting the government
in drafting related policies and regulations, but also in helping
industry to alleviate problems encountered in converting into ODS
free process since 1988. Therefore, ITRI received the 1995 U.S.
Environmental Protection Agency's Stratospheric Ozone Protection
Award and the 1995 National Industrial Waste Minimization
Outstanding Performance Awards from the "Joint Waste Reduction
Task Force (JWRTF)" which did the Ministry of Economic Affairs
and the Executive Yuan's Environment Protection Administration
establish.
RESPONSIBILITIES AND FUTURE DIRECTIONSOur
The
Montreal Protocol ushered in the control of consumption of HCFCs in
January 1996. Consumption will eventually be phased out in 2030.
However, the European Union believed that the current controls on
HCFCs needed to be strengthened to ensure to tackle ozone depletion.
The European Union have announced the amended regulation on
substances that deplete the ozone layer to provide stricter control
measures for HCFC, which are stricter than the Montreal Protocol.
This amended regulation entered into force on 1 October 2000.
The
R.O.C. Government has announced its intentions to stop the using of
HCFC-141b in the cleaning process of manufacturing motherboards,
PCs, and mouse, which became effective on January 1, 2000. In the
near future, the Government will phase out the production and
consumption of HCFCs following the Montreal Protocol, as well as
prohibit the new ODS's consumption to achieve outstanding efforts on
ozone layer protection in Taiwan.
Originating
from efforts to control the consumption of CFCs, the illegal
importing of CFCs is increasingly prevalent among industrialized
countries. Taiwan has also experienced the same phenomenon. About
500 metric tonnes of illegal importing CFC-12 has been confiscated
since 1993. The Executive Yuan's Environmental Protection
Administration has amended the"Air Pollution Control Act",
adding the penalty for the illegal importing of ODS in order to
curtail illegal traffic. To ensure Taiwan's good image in protecting
the ozone layer, how to stop the illegal importing of CFCs has
become a critical task for the R.O.C. Government and industries.
HFCs
are the most acceptable alternatives of CFCs. Although HFC has zero
ODP, it has become one of the six greenhouse gases cited in the
Kyoto Protocol owing to the high GWP. Therefore, developing the
natural and environmentally sound alternatives is an urgent task.
The
Republic of China, although not a Party to the Montreal Protocol,
has diligently striven to control and phase out ozone depleting
substances. Furthermore, the Government will continue to actively
participate in international and local efforts to protect the global
environment.
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Office, Republic of China (Taiwan).
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