Advanced treatment system for biorefractory wastewater of industrial park

An industrial park, advanced treatment technology, applied in special compound water treatment, biological water/sewage treatment, oxidized water/sewage treatment, etc., can solve problems such as defects, reduce dosage, save operating costs, and improve biochemical properties sexual effect

Inactive Publication Date: 2016-07-20
桑德生态科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] All in all, the above four methods are currently used in the advanced treatment of wastewater, but due to the refractory organic matter contained in industrial wastewater, the above-mentioned processes have certain defects

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  • Advanced treatment system for biorefractory wastewater of industrial park

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Embodiment 1

[0045] This embodiment provides an advanced treatment process for refractory wastewater in industrial parks, see figure 1 , the system includes: coagulation sedimentation system, filtration system, advanced oxidation system, biochemical system;

[0046] Among them, the wastewater that has been pretreated by upstream enterprises and reaches a certain standard is discharged into the park’s sewage treatment plant, and the wastewater that has undergone biochemical treatment in the park’s sewage plant to completely remove biochemically degradable organic matter first enters the coagulation and sedimentation system. The coagulant and coagulant make the suspended solids and colloidal compounds of large particles in the water polymerized to a certain weight and then removed by precipitation, and then the suspended solids and colloidal substances are further removed by filtration to ensure that the suspended solids entering the advanced oxidation reaction tank are less than 10mg / L, to...

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Abstract

The invention discloses an advanced treatment system for biorefractory wastewater from the industrial park. The advanced treatment system comprises a coagulating and precipitating system, a filtering system, an advanced oxidation reaction system and a biochemical system, which are sequentially connected. A water inlet pipe is arranged in a mixing pond of the coagulating and precipitating system, and a water outlet pipe is arranged in a biochemical reaction pond of the biochemical system. The advanced treatment system can treat biorefractory organic wastewater deeply, and through the coagulating and precipitating system and the filtering system, suspending and colloid type matters in wastewater can be removed in advance, and input of oxidizing agent is decreased. Through the advanced oxidation reaction system, biorefractory macromolecular organic matters in the wastewater can be decomposed into micromolecular biochemical-degradation organic matters by SOOS catalytic oxidation, biodegradability of the wastewater is upgraded and provides conditions for subsequent biochemistry. Through the biochemical system, organic matters in the wastewater can be degraded through microorganisms in the wastewater, so that organic matters can be removed. The advanced treatment system can sufficiently utilize biochemical reaction, to save operation cost under the condition that treatment requirements are met.

Description

technical field [0001] The invention relates to the field of industrial wastewater treatment, in particular to an advanced treatment system for low-concentration industrial park refractory organic wastewater. Background technique [0002] At present, the treatment of low-concentration refractory organic wastewater is still being explored at home and abroad. There are the following methods: (1) coagulation sedimentation filtration method; (2) membrane method; (3) biological aerated filter; (4) Advanced oxidation method. [0003] In the above process (1), the coagulation sedimentation filtration method is a water treatment method that coagulates the colloids and fine suspended matter in the wastewater into flocs under the action of a coagulant, and then separates and removes them. The basic principle of the coagulation method is to put a coagulant in the wastewater. Because the coagulant is an electrolyte, micelles are formed in the wastewater, which are electrically neutrali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F1/001C02F1/32C02F1/52C02F1/5245C02F1/72C02F1/725C02F1/78C02F3/105C02F3/1268C02F3/34C02F9/00C02F2101/30C02F2201/782C02F2301/04C02F2305/023C02F2305/10
Inventor 阴俊霞姜安平文一波罗立洋
Owner 桑德生态科技有限公司
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