Energy-saving lamps may not be environmentally friendly? If the energy-saving lamp is not properly disposed of, its own mercury pollution will cause an ecological disaster. Wu Yihuan, member of the Guangdong Provincial Political Consultative Conference and chairman of the NLD Shenzhen Municipal Committee, reminded in the proposal that this issue has now begun to surface.
Wu Yihuan said that energy-saving lamps have obvious effects on energy conservation and emission reduction, but they have brought mercury pollution. An energy-saving lamp tube contains 0.5 mg of mercury on average, and only a few brand-name products can achieve about 0.25 mg. 1 gram of mercury immersed in the ground will cause about 360 tons of water pollution. However, the current treatment of discarded energy-saving lamps in Guangdong Province is very worrying. Whether it is consumers, manufacturers and sales offices or relevant government departments, it is basically "uninformed, but not asked, not managed, not done". In the “four nos†state, the recycling of waste energy-saving lamps is almost blank, and almost all of the discarded energy-saving lamps are randomly thrown into the trash cans as ordinary garbage, and then incinerated or filled.
Wu Yihuan suggested that Guangdong Province should refer to the “Administrative Measures on Prevention and Control of Environmental Pollution by E-waste†and formulate corresponding management measures to clarify the recycling responsibility of producers, sellers and consumers of electronic products. In particular, producers, as enterprises that benefit from energy-saving subsidies, must increase the research and development of mercury-free energy-saving lamps, reduce or even eliminate mercury pollution by improving technology and product quality, and actively participate in the recycling of waste products. The waste energy-saving lamp recycling and processing center stipulates that only the production enterprises that establish the energy-saving lamp recycling system are allowed to put into production. Only the brand that establishes the energy-saving lamp recycling system can enter the market; dealers and after-sales service institutions such as supermarkets and shopping malls set up waste energy-saving lamp recycling points. Consumers should place the waste energy-saving lamps in designated recycling areas, and strictly prohibit them from being discarded. It is recommended to set up waste energy-saving lamps in the community; the relevant government departments are responsible for monitoring all aspects of recycling and processing.
Editor: China Lighting Network Feng Yaoyuan
Rectifier bridge is to seal the rectifier tube in a shell. Points full bridge and half bridge. The full bridge connects the four diodes of the connected bridge rectifier circuit together. The half bridge is half of four diode bridge rectifiers, and two half bridges can be used to form a bridge rectifier circuit. One half bridge can also be used to form a full-wave rectifier circuit with a center-tapped transformer. Select a rectifier bridge to consider. Rectifier circuit and operating voltage.
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