Ding Zhaolong, vice president of Soil Disinfection Branch of China Association of Agricultural Ecology and Environmental Protection, said that the prospect of China's soil remediation market is very big with three large blocks, the remediation of farmland pollution, the remediation of industrial pollution and the remediation of urban soil pollution. The soil repair market is expected to reach 8 trillion. "Eat grass, squeeze milk." Liu Yangsheng, a professor at the School of Environment of Peking University, vividly pointed out when talking about the situation of soil pollution control in China. In his opinion, the core issue of soil remediation industry is technological innovation, and the state needs to increase capital investment. Instead of focusing on how many demonstration projects to push, invest more in technological innovation and do a good job in demonstrating technology research and development. Countries should invest funds in front-end research and pay attention to the utilization of talents. The application of soil remediation technology relies heavily on the support of rehabilitative and monitoring equipment. The equipment-based remediation technology is the basis for rehabilitating soils to marketization and industrialization. Plant resource utilization after phytoremediation, preparation of microbial agents for microbial repair, thermal desorption or steam extraction of organic contaminated soils, leaching or solidification / stabilization of heavy metal contaminated soils, repair processes and post-repair environmental monitoring Need equipment. Especially for the contaminated sites left over by urban industries in our country, due to their special location and the requirements of land redevelopment and utilization, rapid and efficient physical and chemical repair technologies and equipment are needed. Development and application of equipment-based site contaminated soil rapid repair technology is a trend. The infiltration and application of some new physical and chemical methods and technologies in the field of soil environment remediation will speed up the development of remediation equipment. The developed countries have accumulated some successful experiences in the prevention and control of arable land pollution. There are many examples in this regard. In the United States, for example, the use of pesticides and fertilizers is severely restricted. In the United States, the total amount of pesticides used for flower and fertilizer control is limited and the dosage is strictly controlled. At the same time, comprehensive biological control should be developed instead of pesticide prevention and control to promote more organic fertilizers and less use of fertilizers to improve the utilization efficiency of chemical fertilizers. At the same time, the implementation of environmental compensation policy. Only doing "who pollutes, who govern" is not enough, polluting but also pay the price of "voluntary" to accept the punishment, this is the implementation of environmental compensation projects. Specifically refers to the enterprise illegal or illegal, in addition to the statutory requirements to correct violations of the government requirements "voluntary" implementation of the project is beneficial to the environment in order to solve the consequences of its non-compliance. The concept of environmental compensation project was implemented throughout the country in the 1980s and 1990s and progressed steadily. After the implementation of the project, environmental improvement was promoted. It not only played a role of "killing one hundred and one hundred" but also changed "ill-gotten gains" The dual role of "good deeds and good deeds," can be described as "double-edged sword." Sodium Hypochlorite Electrolysis Generator
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