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Combined treatment method of high-concentration industrial wastewater

A technology for industrial wastewater and treatment methods, applied in water/sludge/sewage treatment, anaerobic digestion treatment, chemical instruments and methods, etc., can solve the problem of difficult treatment of associated malodorous gas, poor anaerobic biological treatment effect and unstable operation and other problems, to achieve the effect of strengthening the biodegradability, achieving full degradation, and economical and convenient operation.

Active Publication Date: 2015-12-02
江苏三强环境工程有限公司
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Problems solved by technology

This method solves the key problems such as poor anaerobic biological treatment effect of high-concentration industrial wastewater, unstable operation, and difficult treatment of associated malodorous gas, so that the purification rate of waste gas can reach more than 95%.

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with specific examples.

[0025] A combined treatment method for high-concentration industrial wastewater, comprising the following steps:

[0026] 1) Part of the waste water enters the conical cylinder from the bottom of the two-phase internal circulation anaerobic reactor through the first liquid distributor through the inlet pump, and the other part enters the conical cylinder vertically from the bottom through the bottom liquid inlet branch pipe from the second liquid distributor. In the cylinder, the two parts of waste water spiral up into the acidification reaction chamber of the anaerobic reactor under the action of the riser to ensure full contact between sewage and sludge;

[0027] 2) The effluent of the acidified matrix formed after the degradation of the acidified reaction chamber is mixed with the reflux liquid of the buffer solution in the anaerobic reactor in the reaction tank, and steam ...

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Abstract

The invention provides a combined treatment method of high-concentration industrial wastewater. The method can maximally maintain the high-activity sludge, has the advantages of high biodegradation efficiency and higher biodegradability, and achieves the goal of simultaneously decomposing organic matters and sludge. The method can implement synchronous treatment on malodorous gas and wastewater and sufficiently degrade pollutants in the malodorous gas; and the suspended filler greatly enhances the treatment load and the degradability for pollutants. The staggered micro-expansive biological filler bed can thoroughly discharge the waste on the bottom of the filler bed box and ensure no foreign matters to block the pipeline of the equipment in the operation process. The method has the advantages of simple technological conditions, small occupied area and low operation energy consumption. By adopting the higher automation level, the method is convenient for management, has high adaptability, and reduces the environmental pollution.

Description

technical field [0001] The invention relates to a combined treatment method for high-concentration industrial wastewater, which belongs to the field of high-concentration organic wastewater treatment. Background technique [0002] At present, in the field of high-concentration refractory organic wastewater and sewage treatment technology, because high-concentration refractory organic wastewater has the characteristics of high pollutant concentration, complex composition, high toxicity, and high salinity, the wastewater has poor biodegradability and is difficult to be decomposed by microorganisms. . Therefore, conventional wastewater treatment methods are difficult to purify or cannot meet the technical and economic requirements of this type of wastewater purification treatment. With the continuous development of modern environmentally friendly sewage treatment technology, the treatment of high-concentration organic wastewater is an urgent problem to be solved in the field o...

Claims

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Application Information

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IPC IPC(8): C02F3/28C02F101/30
CPCY02E50/30
Inventor 吕锡元吕飞龙
Owner 江苏三强环境工程有限公司
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