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For coal chemical wastewater, certain treatment must be carried out according to environmental protection requirements. Inner Mongolia wastewater is allowed to be discharged only after reaching the discharge standard

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For coal chemical wastewater, certain treatment must be carried out according to environmental protection requirements. Inner Mongolia wastewater is allowed to be discharged only after reaching the discharge standard

作者: Release Date: 2019-11-30 Author: Click:

If the wastewater produced by coal chemical companies is directly discharged without advanced treatment, the wastewater treatment of Inner Mongolia will be very harmful to the atmosphere, soil and rivers. The distribution of water resources and coal resources in China is in an inverse relationship. For some regions with rich coal resources, water resources are relatively scarce. This article will analyze the current technical difficulties faced by coal chemical wastewater treatment and propose an optimization plan for Provide a reference for the sustainable development of chemical companies.

1 Coal chemical wastewater sources

The production of coal chemical wastewater is mainly in the field of coal chemical engineering. In coal chemical enterprises, coal is used as the raw material for related chemical product processing and production. In the related production process, certain industrial wastewater will be generated. These wastewaters mainly contain various salts and phenols such as ammonia, nitrogen and sulfur. These materials are difficult to degrade organic compounds and have great pollution hazards. Therefore, for the waste water produced in coal chemical production, we must adopt relevant technologies for treatment, remove and clean the harmful substances in the waste water, so as to meet the environmental protection requirements for discharge, or reuse as recycling water, which also saves water. Resources.

2 Coal chemical wastewater treatment characteristics

Because the components in coal chemical wastewater are very complex and there are many pollutants, it is very difficult to thoroughly deal with these harmful substances. Organic pollutants in wastewater are difficult to degrade, and these organic pollutants in Inner Mongolia wastewater treatment are often chemically inactive and difficult to treat by traditional chemical methods. During the production process, chemical reactions will occur between the pollutants in the wastewater, which makes the more reactive pollutants become more stable pollutants after the chemical reaction, and continuously deepens the color of the wastewater, resulting in wastewater. Difficulty of the discoloration process. In addition, due to the variety of pollutants contained in wastewater, more treatment methods are required to be performed, such as a combination of chemical and physical methods.

3 Problems facing coal chemical wastewater treatment technology

High cost of wastewater treatment equipment

With the increase of environmental protection, the policy requirements are becoming more and more stringent. At present, many equipment used to treat coal chemical wastewater have not kept pace with technology. Inner Mongolia wastewater treatment equipment that can meet the requirements of energy conservation and environmental protection is due to research investment costs. High investment cost, so its sales price is also very high. For coal chemical plants, if they want to purchase equipment with advanced technology and good wastewater treatment efficiency, the cost of investment will also increase. In order to meet the higher requirements of wastewater treatment, it is necessary to increase the procurement cost of wastewater treatment equipment. In addition, wastewater treatment requires the use of a large amount of wastewater treatment purification agents. As long as there is production and wastewater discharge, a continuous supply of wastewater treatment purification agents is required. Therefore, for the treatment of coal chemical wastewater, in addition to the purchase of new treatment equipment Investment in capital, but also increase investment in the purchase of wastewater treatment purification agents.

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URL of this article: http://onasetfilm.com/news/499.html

Keywords: Inner Mongolia wastewater treatment plant , Inner Mongolia wastewater treatment process , Inner Mongolia wastewater treatment equipment

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