The Ministry of Environmental Protection announced on July 20 that the Minamata Convention on Mercury will enter into force on August 16, 2017. From 2021, China will phase out the production of mercury-containing batteries and fluorescent lamps required by the Minamata Convention on Mercury. and use. By 2032, all primary mercury mines will be shut down.
Yu Lifeng, deputy director of the Environmental Protection Foreign Cooperation Center of the Ministry of Environmental Protection, announced the implementation schedule of China at the press conference:
From 2021, China will phase out the production and use of mercury-containing batteries and fluorescent lamps required by the Minamata Convention on Mercury; VCM (vinyl chloride, which will produce mercury-containing wastewater) will be used in the production of unit products in 2021. Reduced by 50% (on the basis of 2010);
By 2032, all primary mercury mines should be shut down; for coal-fired electric field sources, emission preparations should be completed by 2020, key sources of control should be identified, and emission reduction targets and measures should be determined.
Yu Lifeng said that in order to implement the Convention, the Ministry of Environmental Protection has revised a number of mercury-related emission standards with relevant departments, assessed the current status of the ten major mercury-related industries, and initiated the preparation of the strategic action plan.
In the next step, we will jointly promote the reduction of the mercury industry by controlling sources, reducing and developing alternative technologies, and carry out the management of mercury-containing wastes and contaminated sites in a planned and step-by-step manner.
The Minamata Convention on Mercury is a new global convention in the field of environment and health in the past decade to enable the government to take concrete measures to control anthropogenic mercury pollution.
Mercury, commonly known as mercury, is the only liquid metal at room temperature and is used in a wide variety of products and processes. The production, use and discharge of mercury and its compounds can cause environmental pollution. In severe cases, it can cause neurological, immune and reproductive system disorders in humans and mammals, especially for fetuses and pregnant women. According to UNEP data, global mercury emissions are as high as 8,900 tons per year.
China is the world's largest mercury producer and emitter. To prevent environmental mercury pollution, mercury has been listed as one of the key heavy metals. In fact, at the beginning of the “Twelfth Five-Year Planâ€, mercury was listed as one of the five priority heavy-weight metals, and the prevention and control of atmospheric mercury emission pollution was proposed.
In October 2013, under the United Nations Environment Programme (UNEP), the Convention on Minamata of Mercury was adopted, and China signed the Convention as the first signatory. In April 2016, the 12th National People's Congress approved the Watermark Convention on Mercury signed by Kumamoto in October 2013 by the government of the People's Republic of China. According to the UN Environment Programme, there are currently 128 signatories to the Convention.
The Minamata Convention includes fluorescent lamp products and high-pressure mercury lamps in products that are restricted and eliminated. The lighting products involved include compact fluorescent lamps for general lighting applications, straight tube fluorescent lamps for general lighting applications, and general lighting applications. The high-pressure mercury lamp, the specific prohibition on the production, import or export time requirements of the above.
The performance of the contract is a win-win process for developing countries like China. At the same time, the contract will force the elimination of backward production capacity and improve the technical level of related industries.
Since the entry of human society into the era of electrical lighting, fluorescent lamps have been widely used as the most important energy-saving lighting source in the world.
Fluorescent lamps mainly include straight tube fluorescent lamps and compact fluorescent lamps (energy saving lamps). The principle is to emit ultraviolet light by exciting the mercury vapor to emit invisible ultraviolet light, and the ultraviolet light excites the phosphor on the inner wall of the lamp tube to emit visible light, so most fluorescent lamps contain mercury. Mercury is a volatile substance that is highly toxic and is classified as a global pollutant by the United Nations Environment Programme.
China is currently the world's largest producer and user of fluorescent lamps. Since 2008, the government has actively implemented the “green lighting†project from the perspective of power saving, and accelerated the elimination of inefficient lighting products. As a result, the mercury pollution caused by waste lamps has made China’s mercury pollution situation even more Serious challenges.
In fact, a large number of mercury-containing energy-saving lamps will be disposed of as ordinary garbage after the end of their life, but most people do not know that the mercury contained in the energy-saving lamps is very harmful to the environment.
When fluorescent lamps are landfilled as ordinary waste, 11% of the mercury is released into the air or water. Its environmental costs to water and soil may far exceed the environmental costs of the energy saved by its so-called “energy savingâ€.
With the entry into force of the Convention, LED lighting will usher in more room for development and will undoubtedly become the mainstream technology route.
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