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Treatment method of high-concentration benzoate industrial wastewater

A technology of industrial wastewater and treatment method, applied in the fields of chemical industry and environment, can solve the problems of low treatment efficiency and difficulty, and achieve the effects of high decomposition rate, rapid reaction and efficient treatment

Inactive Publication Date: 2016-09-28
YANGZHOU UNIV
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Problems solved by technology

At present, most of the reports on the treatment of high-concentration benzoate industrial wastewater still only stay on a single treatment method, such as: activated carbon adsorption of dibutyl phthalate in industrial wastewater (Liu Hui, Fang Zhanqiang, Zeng Baoqiang, etc., 4 kinds of activated carbon Adsorption characteristics of typical endocrine disruptor DBP, South China Normal Universi

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Abstract

A method for treating high-concentration benzoate industrial wastewater belongs to the technical fields of environment, chemistry and chemical engineering. The technical solution of the present invention is: the pulse electrocoagulation method is used to treat the wastewater for 2 to 4 hours, and after solid-liquid separation, purification is obtained. body of water behind. The present invention organically combines pulse electrocoagulation and its own micro-electrolysis technology, achieves the control of micro-electrolysis by controlling pulse power supply, omits the steps of artificially adding iron and carbon, and completes the flocculation program in one step, making the whole process The process is simplified but the efficiency is higher. This process greatly reduces the content of benzoate pollutants and the COD value in the wastewater, and improves the biodegradability of the wastewater.

Description

technical field [0001] The invention belongs to the technical fields of environment and chemistry and chemical industry, and in particular relates to a high-efficiency treatment technology for high-concentration benzoate industrial wastewater. Background technique [0002] With the development of society and the large-scale production and use of plastics, ceramics, fibers, cosmetics, etc., the use of benzoate compounds, which are indispensable additives in the production of such products, is also increasing. Studies have shown that benzoate compounds belong to environmental hormone compounds, which are similar to estrogen-like effects, and can affect the endocrine system of humans and other animals, leading to abnormal reproduction and development. At the same time, large doses of benzoate compounds Can produce teratogenic, carcinogenic and mutagenic effects on humans and other animals. Therefore, controlling the content of benzoate compounds in the environment has become a...

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Application Information

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IPC IPC(8): C02F1/463C02F101/34
CPCC02F1/463C02F2103/34
Inventor 刘天晴汪涛周国强白云卜雅婷胡广
Owner YANGZHOU UNIV