On April 8, the National Development and Reform Commission released the "Annual Report on the Comprehensive Utilization of China's Resources (2012)". This is the first comprehensive and systematic report on the comprehensive utilization of resources released by China. The report shows that China's comprehensive utilization of resources has achieved considerable development and gratifying results in 2011. The scale of the use of chemical waste resources such as phosphogypsum, calcium carbide slag, waste plastics, and used tires has continued to expand, achieving good economic and social benefits and resources. Benefits and environmental benefits.
The report shows that in 2011 China's industrial by-products of gypsum production amounted to 169 million tons, including 68 million tons of phosphogypsum, 67.7 million tons of desulfurized gypsum, and 32.85 million tons of other industrial by-products. The comprehensive utilization of industrial by-product gypsum is 77.89 million tons, which is equal to the use of natural gypsum. The comprehensive utilization rate has increased from 38% in 2009 to 46.2%. Among them, the annual utilization of phosphogypsum increased from 11 million tons in 2009 to 16 million tons in 2011, and the comprehensive utilization rate increased from 22% in 2009 to 24% in 2011.
In terms of comprehensive utilization of chemical waste residues, the amount of calcium carbide slag produced in China in 2011 was 17.57 million tons, and the comprehensive utilization rate was 100%. It was mainly used for the production of building materials such as cement, bricks, fly ash bricks, and interior decoration materials. Expanded to industrial desulfurization and production of calcium carbonate, calcium chloride, calcium sulfate and other chemical products; Soda white mud utilization of nearly 1 million tons, mainly used for engineering soil, boiler desulfurization agent, agricultural fertilizer, water purification agent and other fields.
The report pointed out that in 2011 China's waste plastics production amounted to approximately 28 million tons, and the amount of recycled use was more than 21 million tons, an increase of 9.37% over the previous year, accounting for 24% of the total plastic consumption, of which about 13.5 million were used for domestic recycling of waste plastics. Tons, imports of about 8.3 million tons, can save more than 20 million tons of raw materials, saving more than 40 million tons of crude oil.
The report also makes statistics on the use of used tires. In 2011, China produced about 10 million tons of used tires, and the harmless utilization rate was about 60%, of which about 16 million were retreaded, about 3 million tons of reclaimed rubber was produced, and about 300,000 tons of rubber powder was produced. The comprehensive utilization of used tires was already Become the third rubber resource channel in addition to natural rubber and synthetic rubber.
The report believes that China’s comprehensive utilization of resources can achieve positive results. It is related to the active adjustment of industrial structure and guidance of technological progress in various industries, as well as the introduction of “Guidelines for Comprehensive Utilization of Resources in the Twelfth Five-Year Plan†and “Urgent Industrial Solid Waste Comprehensive Utilizationâ€. The "12th Five-Year Plan" and "Guidelines for Comprehensive Utilization of Gypsum for Industrial By-Products" and other supporting policies are inseparable.
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