As energy-saving lamps gradually replace incandescent lamps as a trend, mercury pollution of energy-saving lamps has attracted the attention of all parties in the society. Senior industry experts told reporters that thin tube T5, T8 and other straight tube fluorescent lamps and ring fluorescent lamps are more likely to have excessive mercury content due to the manual mercury injection process. Relevant experts from the Ministry of Environmental Protection said that the Ministry of Environmental Protection is planning to formulate policies to strengthen the prevention of mercury pollution in mercury-added products and related industries, and plans to prohibit the approval of new, rebuilt, and expanded projects that use liquid mercury and manual mercury injection fluorescent lamp production.
International negotiations put pressure on mercury-containing electric light sources
At the end of 2011, the National Development and Reform Commission issued a "Announcement on the gradual ban on the import and sale of incandescent lamps for general lighting" and announced that by 2016, China will basically eliminate the use of incandescent lamps for general lighting. At the same time, the National Development and Reform Commission, the United Nations Development Program, and the Global Environment Facility also jointly designed a "China to phase out incandescent lamps and accelerate the promotion of energy-saving lamps" cooperation project. Relevant experts from Shanghai Yaer Light Source Co., Ltd. told reporters that this has become an inevitable trend to replace incandescent lamps with high-efficiency energy-saving fluorescent lamps.
However, with the further promotion of energy-saving lamps, its mercury pollution has also attracted the attention of all parties in society. According to data provided by Su Juan, a researcher at the Institute of Electric Light Source Materials, Nanjing University of Technology, China ’s mercury consumption for energy-saving lamps is about 20 tons per year, and the penetration of 1 mg of mercury into the ground will cause pollution of 360 tons of water and surrounding soil. Mercury in the atmosphere is highly diffusible and fat soluble. The newspaper has previously disclosed that international mercury negotiations mainly focused on atmospheric mercury prevention and control. Canada, Northern Europe and other countries have declared that the excessive mercury in local fishery resources is related to atmospheric circulation.
"China, as the country with the largest mercury use and emissions in the world, is facing huge pressure for mercury reduction and emission reduction in the negotiation of the 'Global Mercury Instrument.'" Sugao Suga, associate researcher at the Chemical Registration Center of the Ministry of Environmental Protection, revealed in July this year The fourth meeting of the Intergovernmental Negotiating Committee convened by the United Nations Environment Programme was held. The delegates further negotiated the draft of the legally binding Global Mercury Convention ("Global Mercury Instrument"). Reducing the supply of mercury, reducing the demand for mercury in products and processes, and reducing international trade in mercury remained the focus of the negotiation process field.
Relevant persons from the Ministry of Environmental Protection revealed to reporters that the mercury instrument, as an international convention, is the highest level of international law with the Stockholm Convention and the Biological Protocol Convention involving persistent organic pollutants, and even higher than the level of the Kyoto Protocol to deal with climate change. Still high.
According to the draft convention, mercury-containing electric light sources are included in the mercury-added products that are controlled. The draft convention stipulates that the manufacture and trade of mercury products should be restricted and eliminated, that is, the manufacture of mercury-added products other than exempted uses should be prohibited. The prior informed consent procedure or the import licensing system should be used to restrict the import and export of products. Report information on the manufacture, import and export of mercury-added products.
"Mercury-containing electric light source products do not have a mature mercury-free alternative technology, and they cannot be eliminated in the short term. Nevertheless, the global mercury instruments have not relaxed the control of electric light source products." Sugao disclosed that in July this year, Jamaica, Japan, etc. The representative of the country proposed a phase-out list of mercury-containing electric light source products. Representatives of some countries believe that global uniform mercury content limit standards should be formulated for electric light source products, and products with mercury content exceeding the standard will be eliminated within a time limit. Products that meet the standards can apply for exemptions within a certain time limit, allowing their production and manufacturing import and export.
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