China's phosphorus chemical industry will focus on promoting clean production programs
"In the period of the 12th Five-Year Plan period, China's phosphorus chemical industry should further adjust its industrial layout, focus on promoting the implementation of phosphorus clean production technology, build a wet chemical and phosphoric acid recycling economy industrial chain, and actively develop low-carbon technologies and products such as energy conservation, consumption reduction and environmental protection." Zhou Kunming was sponsored by the China Inorganic Salt Industry Association, the Yunnan International Phosphorus Chemical Summit Forum and Industry Annual Meeting organized by Yunnan Nanxi and Sichuan Longxuan, and experts from more than 100 large-scale phosphorus chemical companies at home and abroad The main direction of the future.
Experts suggested that during the “Twelfth Five-Year Plan†period, China should further strengthen the rational use of phosphorus resources and encourage the development of basic, large-scale phosphorus chemical products for deep processing, multi-specification, specialization, and high purification. At the same time, it will focus on the promotion of the implementation of the phosphorus clean production technology, the establishment of the wet chemical and phosphoric acid recycling industry chain, the promotion of the efficient use of tail gas, phosphorus slag, and phosphorous mud, as well as the comprehensive utilization of fluorine-containing gases and phosphogypsum produced during the production of wet-process phosphoric acid. Develop food-grade, pharmaceutical-grade, toothpaste-grade, special-grade, electronic-grade, high-purity fine phosphorus chemical high-end products.
It is understood that the demonstration projects and popularization and application projects for the implementation of cleaner production technologies in the phosphorus chemical industry mainly include five aspects: First, the use of dry alternatives to wet dedusting, enhanced comprehensive utilization of tail gas, and accelerated implementation of comprehensive utilization of yellow phosphorus tail gas purification Carbon-chemicals, construction of demonstration units and promotion in the industry; second, active implementation of yellow phosphorus tail gas to make sodium formate, formic acid, oxalic acid; third is to establish melting heat recovery of phosphorus slag and production of high value-added building materials product demonstration device; four is to solve the phosphorus The secondary pollution problem of phosphorus or phosphoric acid is obtained from mud; Fifth, the adjustment of industrial layout, the concentration of resources and the establishment of 3-5 phosphate chemical (country) ecological production bases.
In addition, during the “Twelfth Five-Year Plan†period, the phosphorus chemical industry will also vigorously develop wet process phosphoric acid refining technology, strengthen the comprehensive utilization of phosphogypsum and the application of a series of by-products such as fluorine and iodine recovery, and promote the use of low- and middle-grade phosphate rock. Phosphoric acid and calcium chlorophosphate methods for the production of demonstration equipment such as phosphoric acid and phosphate have been actively pursued in the industrialization of kiln-process phosphoric acid and calcium phosphate-phosphate methods, and development of such products as ammonium polyphosphate, urea phosphate, polyphosphoric acid, and hypophosphite have been actively pursued.
It is reported that the Ministry of Industry and Information Technology of the People's Republic of China has organized the preparation of the "Industrial Cleaner Production Technology Promotion Program" since 2009. The application technology in the plan refers to major key common technologies that are basically mature, have application prospects, and have yet to realize industrialization. Extension technologies refer to major key common technologies that are mature, urgently needed by the industry, and need to increase efforts to expand or expand the scope of application.
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