In order to speed up the implementation of cleaner production technologies in key industries and guide enterprises to adopt advanced technologies, processes and equipment to implement clean production technology transformation, in mid-January this year, the Ministry of Industry and Information Technology released titanium dioxide, paint, yellow phosphorus, chromium salts, and barium carbonate in five industries. "Cleaner Production Technology Implementation Plan Consultation Draft" (hereinafter referred to as "the program").
The plan put forward the goal of clean emission reduction in five industries such as titanium dioxide in the next few years, and introduced and analyzed the content, applicable scope, and application prospects of related clean technologies. The application technology in the plan is basically mature and has Application prospects, major key common technologies that have yet to realize industrialization; promotion technologies refer to major key common technologies that have matured, industries urgently need applications, and need to increase efforts to promote or expand the scope of application.
Taking the titanium dioxide industry as an example, the plan puts forward that in the future, it will mainly support the chlorination of titanium dioxide by boiling chlorination, continuous acid hydrolysis, tail gas waste heat condensation acid, sulfur-titanium cogeneration heat utilization technology, acid hydrolysis black residue recycling Technology, comprehensive utilization of titanium gypsum by-product technology and titanium dioxide by-product ferrous sulfate comprehensive utilization of seven technologies to promote the application. Among them, with the promotion and application of the boiling chlorination production technology, it is estimated that by 2014, if the titanium dioxide production technology with boiling chlorination production technology is about 240,000 tons, the titanium dioxide industry in China can save about 460,000 standard coal. Ton/year, saving 12 million cubic meters/year, reducing waste residue by 384,000 tons/year, and reducing harmful exhaust gas by 480 million cubic meters/year. By 2014, it is expected that the exhaust gas residual heat concentrated waste acid technology will reach 50% in the production of sulfuric acid process titanium dioxide production, and it is expected that the titanium dioxide production capacity using this technology will be approximately 1 million tons, and the waste acid solution can be comprehensively used (concentration is 20%) 6 million tons/year.
With the theme of "Green Twelve Five Years," China's energy-saving emission reduction work will be more in-depth, and efforts will be greater. The current development of circular economy and protection of the ecological environment and the acceleration of the construction of a resource-saving and environment-friendly society have become the main direction of China’s economic and social development. In addition, the shortage of global resources and environmental issues have become increasingly prominent. A wholly-owned industry has become a major emitter of three wastes, and the degree of pollution to the environment is very serious. Therefore, the environmental pollution problem in the chemical industry has become an important factor that restricts the sustainable development of the industry, and it is urgent to take corresponding measures to achieve the rational use of resources and reduce the pollution to the environment. Among them, the clean production technology can be controlled from the source pollution of industrial production. The promotion of such technology is one of the important measures to save resources and reduce the level of environmental pollution.
In the past, the promotion and application of new technologies in China had a long cycle. The country’s introduction of technical implementation programs to guide and support will greatly promote the promotion and application of large-scale technologies. This measure also illustrates the national energy saving for titanium dioxide and other industries. The determination to reduce emissions, and the inevitable trend of the future development of the chemical industry. As a chemical sub-sector, it is hoped that the powder industry-related companies can take it seriously and actively promote the innovation and promotion of energy-saving and emission-reduction technologies according to their own situation. This will save energy and reduce the emission of pollutants. In the long run, this is a guarantee for enterprises and the entire industry. The only way for the virtuous cycle.
The plan put forward the goal of clean emission reduction in five industries such as titanium dioxide in the next few years, and introduced and analyzed the content, applicable scope, and application prospects of related clean technologies. The application technology in the plan is basically mature and has Application prospects, major key common technologies that have yet to realize industrialization; promotion technologies refer to major key common technologies that have matured, industries urgently need applications, and need to increase efforts to promote or expand the scope of application.
Taking the titanium dioxide industry as an example, the plan puts forward that in the future, it will mainly support the chlorination of titanium dioxide by boiling chlorination, continuous acid hydrolysis, tail gas waste heat condensation acid, sulfur-titanium cogeneration heat utilization technology, acid hydrolysis black residue recycling Technology, comprehensive utilization of titanium gypsum by-product technology and titanium dioxide by-product ferrous sulfate comprehensive utilization of seven technologies to promote the application. Among them, with the promotion and application of the boiling chlorination production technology, it is estimated that by 2014, if the titanium dioxide production technology with boiling chlorination production technology is about 240,000 tons, the titanium dioxide industry in China can save about 460,000 standard coal. Ton/year, saving 12 million cubic meters/year, reducing waste residue by 384,000 tons/year, and reducing harmful exhaust gas by 480 million cubic meters/year. By 2014, it is expected that the exhaust gas residual heat concentrated waste acid technology will reach 50% in the production of sulfuric acid process titanium dioxide production, and it is expected that the titanium dioxide production capacity using this technology will be approximately 1 million tons, and the waste acid solution can be comprehensively used (concentration is 20%) 6 million tons/year.
With the theme of "Green Twelve Five Years," China's energy-saving emission reduction work will be more in-depth, and efforts will be greater. The current development of circular economy and protection of the ecological environment and the acceleration of the construction of a resource-saving and environment-friendly society have become the main direction of China’s economic and social development. In addition, the shortage of global resources and environmental issues have become increasingly prominent. A wholly-owned industry has become a major emitter of three wastes, and the degree of pollution to the environment is very serious. Therefore, the environmental pollution problem in the chemical industry has become an important factor that restricts the sustainable development of the industry, and it is urgent to take corresponding measures to achieve the rational use of resources and reduce the pollution to the environment. Among them, the clean production technology can be controlled from the source pollution of industrial production. The promotion of such technology is one of the important measures to save resources and reduce the level of environmental pollution.
In the past, the promotion and application of new technologies in China had a long cycle. The country’s introduction of technical implementation programs to guide and support will greatly promote the promotion and application of large-scale technologies. This measure also illustrates the national energy saving for titanium dioxide and other industries. The determination to reduce emissions, and the inevitable trend of the future development of the chemical industry. As a chemical sub-sector, it is hoped that the powder industry-related companies can take it seriously and actively promote the innovation and promotion of energy-saving and emission-reduction technologies according to their own situation. This will save energy and reduce the emission of pollutants. In the long run, this is a guarantee for enterprises and the entire industry. The only way for the virtuous cycle.
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