2015年02月07日

Environmental protection and innovation become the mainstreams of China fine chemicals

In recent years, China has made a series of mature technologies in scientific and technological innovation aspects of fine chemical industry. Nowadays, special chemicals especially for the fine chemicals possess a rapid increase in chemicals production.The output value of 2006is 448.15 billion RMB and it reaches to 963.32 billion RMB tin 2009, ranking first in the industry rankings. Meanwhile, China's Customs statistics show that in 2009, to fine chemicals, specialty chemicals represented Jinkou $ 13.64 billion, exports of $ 13.1 billion, becoming the third largest exporter of chemical industry products. Chinese specialty chemicals is not only basically meet the domestic demand, there is a considerable part of the international market.

Fine Chemicals is the focus with intense competition in the world's chemical industry. The level of development becomes one important indicator measuring a country's chemical development. The development of fine chemical restructuring of China's chemical industry is a major strategic one. To improve the rate of fine chemical industry, China's "Eleventh Five" initially put the new field of petrochemical industry, fine chemical industry as a key development area. For machinery, electronics, automotive, construction, information, medicine and other industries developed rapidly, the demand for fine chemical products increased significantly in the market situation, focusing on the development of automotive chemicals, construction chemicals, electronic chemicals and other functional materials and information and specialty chemicals; focus on development of functional coatings and waterborne coatings, dyes and industrial technology, new varieties, an important chemical intermediate technologies and new varieties of green synthesis, electronic chemicals, high performance water treatment chemicals, paper chemicals, oil field chemicals, food additives, functional, high-performance environment-friendly flame retardants, surfactants, high-performance rubber and plastic additives.

Fine chemical industry developes the 'green' chemistry technology which replaces phosgene, thionyl chloride and other toxic chlorine formamide synthesis. It is not only eliminates the source from the process safety and environmental risks, also declined 60% with water, the average energy consumption reduced by 30%, 40% of overall production costs down. The "push medicine, pesticide and dye industry for sustainable development" a new synthesis of key intermediate green technology, so that chlorine formamide, anhydride, carbonate, isocyanate, chloride, these five pharmaceutical, pesticide, dye and polymer materials, key intermediate synthesis to achieve a green and clean technology. More than a dozen companies in dozens of green products for application of the technology transformation, achieved good economic and social benefits.

New reaction - separation technology is the integration of chemical intermediates to achieve cleaner production and energy saving is one important way. Nanjing University of reaction conditions developed by the separation of different integration technologies, the different reaction conditions for the successful integration and distillation produce chemical intermediates, greatly improved the reaction conversion and selectivity, reduce raw material and energy consumption, reduce the byproducts and emissions. The technology used in acid, benzene, formaldehyde and other chemical intermediates dozen of production units, the effective promotion of the fine organic intermediates to low energy consumption, low pollution, low-cost cleaner production direction, has achieved remarkable economic and social benefits.

The new production process of acetochlor fork uses a low toxicity for non-aromatic solvent, catalyst and stabilizer in the new conditions, to improve the conversion rate, eliminate impurities, color, product content of 97%, yield 92%; to avoid the traditional chloromethyl ether route a large number of high salinity, high COD wastewater, and high levels of hydrogen chloride gas generation, avoiding the carcinogenic teratogenic chloromethyl ether production and use, improve resource utilization, more than 97% reduction . As a common innovation, new technology of a fork in the butachlor and metolachlor herbicides such as the production of acetyl chloride with good promotion prospects.

China Petroleum & Chemical Shengli Oilfield Co. Ltd. successfully solved the international problem of achieving ultra-low oil-water interfacial tension in the alkali-free conditions with surface active agents in the process of developing binary complex drive technology with surfactant plus polymer. And they increase oil recovery in practice process. And make the binary complex and efficient flooding EOR technology become the 'guardian of flooding.'

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