On September 24, the China Pesticide Industry Association will hold an "Eco-friendly Pesticide Emulsion Development Seminar" in Beijing. At this meeting, the China Pesticide Industry Association will extensively seek advice from the industry on the preparation of the "Industry Criteria for the Elimination of Harmful Solvents in Pesticide Emulsifiable Oils", indicate the development direction of China's EC, and guide the industry's health, science and sustainable development. The meeting was full of expectations.
It is understood that EC is a traditional pesticide formulation in China and accounts for about 50% of the total pesticides. Currently, the annual production and use of EC formulations is approximately 1 million tons, and the solvents used are mainly xylene, toluene, benzene, etc. Light aromatic hydrocarbons consume about 300,000 tons of this type of solvent each year. In addition, polar solvents such as methanol and N,N-dimethylformamide also have a certain amount of use as auxiliary solvents. The light aromatic solvents and polar solvents represented by “triphenylâ€, such as methanol, N,N-dimethylformamide, and ethylbenzene and naphthalene, which are commonly used in solvents, pose great risks to production safety, human health, and ecological environment. . Some of them have definite carcinogenic teratogenic effects, which are potentially harmful to the health of pesticide producers and users; some are low flash point solvents, inflammable and explosive, and have poor production and transportation safety; while light aromatic solvents and methanol are volatile. Organic organic substances (VOCs) pollute the atmosphere after being sprayed at production sites and pesticides, while methanol, N,N-dimethylformamide and water are miscible and can easily contaminate water sources after use.
Li Zhengxian, vice chairman of the China Pesticide Industry Association, said that after the introduction of some policies on the reduction and substitution of emulsifiable concentrate by the relevant state departments, most enterprises are more anxious and confused, and there are also many policy support and technical demands. In accordance with the requirements of enterprises, China's pesticide industry The association decided to convene the conference, invited the leaders of relevant government departments and industry experts to explain the new policies for the development of pesticide EC products, new requirements for registration of pesticide EC products, and technological innovation and related tax incentives, etc., in order to accelerate the formulation of EC products. The replacement of harmful solvents, improve the processing technology of pesticide formulations.
People in the industry believe that EC plays an important role in the development of the pesticide industry. When the industry develops to the current level, when it is required to regulate, the “blocking†method of prohibition and production cuts cannot solve the problem of the development of EC. Therefore, This "sparse" approach through the development of industry standards can effectively solve this thorny problem.
Therefore, with reference to the practices of developed countries in Europe and the United States and Taiwan in China, combined with the actual situation in China, the classification and management of solvents in pesticide EC is studied. The limits for harmful solvents in pesticide EC are studied and formulated, and the use of solvents with severe hazards is eliminated or restricted. Necessary and urgent, this will improve the safety of pesticide production, transportation, and use of pesticides in China, reduce the risk of harm to humans, improve their environmental compatibility, raise the level of China's pesticide industry technical standards, and gradually align with international advanced standards. It is of great significance to overcome technical barriers in foreign trade and so on. At the same time, the formulation of this standard will play a significant role in promoting the technical development of pesticide formulations and the sustainable development of society.
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