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Yang Zhen said that China has proposed banned phosphorus for more than 10 years, but the means are not firm. Some detergent companies are still resisting comprehensive phosphorus ban for the development of the industry. Some local governments do not attach importance to banned phosphorus. Therefore, we must strictly prohibit the production, sale, and use of phosphorus-containing detergents through national legislation. In practical operation, one or two years may be considered as a transitional period, and sales and use of various phosphorus-containing detergents must be strictly prohibited in key regions and key river basins before the country implements bans on phosphorus.
Yang Zhen suggested that the government should use economic means to regulate and control, encourage residents to use non-phosphorus detergents; modify detergent standards; encourage developed countries in the production of detergent companies in China, the production of phosphate-free detergents in their own production in China Comprehensively ban all detergents that emit sodium tripolyphosphate; regulations require all kinds of detergents to be marked with phosphorus content; deploy government departments at all levels to carry out phosphorus bans, strictly check the phosphorus-containing detergents that are mixed into the market; and prohibit industrial enterprises, Medical units use phosphorus-containing detergents.
“The amount of detergents in China is huge and the issue of eutrophication in water areas is outstanding. The sodium tripolyphosphate contained in detergents is a soluble phosphorus that can be absorbed and utilized by algae and other organisms.†At the two conferences just concluded, the National People’s Congress Yang Zhen, president of Nanjing University of Posts and Telecommunications, suggested that legislation should be stipulated as soon as possible to ban phosphorus in detergents.
Quartz sand is a quartz particle formed by crushing and processing quartz stone. Quartz is a non-metallic mineral, which is a hard, wear-resistant, and chemically stable silicate mineral. The color of quartz sand is milky white or colorless and semi transparent, with a Mohs hardness of 7.
Quartz sand is an important industrial mineral raw material, not a chemical hazardous material, widely used in industries such as glass, casting, ceramics and fireproof materials, smelting of ferrosilicon, metallurgical flux, metallurgy, construction, chemical industry, plastics, rubber, abrasives, filter materials, etc.
October 03, 2024