Device and method for treating waste liquid containing benzene ring substances

A technology of waste liquid treatment and treatment method, which is applied in the direction of gaseous effluent wastewater treatment, biological water/sewage treatment, chemical instruments and methods, etc. It can solve problems such as abnormal operation and sensitive activated sludge, and achieves a small footprint , high degree of automation and low operating cost

Pending Publication Date: 2022-07-05
ATK HLDG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because benzene ring substances have certain biological toxicity to microorganisms, high-concentration phenolic wastewater needs to be pretreated by biological methods, otherwise the activated sludge is sensitive to benzene ring toxic substances and cannot operate normally.

Method used

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  • Device and method for treating waste liquid containing benzene ring substances
  • Device and method for treating waste liquid containing benzene ring substances
  • Device and method for treating waste liquid containing benzene ring substances

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0047] Manufacture of Polymerization Accelerators

[0048] Raw materials used in the invention:

[0049] (1) Sodium Hexametaphosphate (CAS # 10124-56-8)

[0050] (2) Glutathione Reduced Form (CAS # 70-18-8)

[0051] (3) Glycerol dehydrogenase (EC 1.1.1.6; 50 U / mg)

[0052] (4) Ethylenediaminetetraacetic acid (CAS#60-00-4)

[0053] (5) Sodium Peroxydisulfate (CAS # 7775-27-1)

[0054] (6) Purified water (ion-exchanged water, resistivity 1 MΩ·cm)

[0055] Inventive polymerization accelerator configuration steps:

[0056] 1) Add 1200g of sodium hexametaphosphate, 200mg of reduced glutathione and 10mg of glycerol dehydrogenase to 4000g of purified water, stir and mix, and refrigerate for 3 days under normal pressure at 0 to 5°C to obtain a mixed solution (W);

[0057] 2) Add 600g of mixed solution (W), 2500g of sodium peroxodisulfate, and 40g of ethylenediaminetetraacetic acid to 16860g of pure water, stir and mix, and place incubation at room temperature (about 20°C) under ...

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Abstract

The invention discloses a benzene ring substance-containing waste liquid treatment device and a treatment method, and relates to the technical field of environmental protection. Benzene ring-containing waste liquid enters the oxidation prepolymerization area through an input pipe, an acidification adsorption reactor is arranged in the polymerization promoting growth area, and a double-spiral-flow aerator and an MBF adsorption material layer are arranged in the MBF bioreactor area respectively; a middle lifting pump is arranged on one side, close to the MBF bioreactor area, in the polymerization growth promoting area; a pH meter is arranged in the oxidation prepolymerization zone, a temperature control meter is arranged in the polymerization growth promoting zone, an ORP meter is arranged in the MBF bioreactor zone, and the pH meter, the temperature control meter and the ORP meter are respectively connected with the PLC. The device can be matched with the characteristics of the benzene elution waste liquid of the coking plant, and is small in occupied area and simple to operate and manage; by means of mild chemical oxidation prepolymerization, MBF hydrophilic adsorption and MBF biological nest high-load degradation, low-cost detoxification treatment that the water quality of the treated benzene ring waste liquid meets the water inlet requirement of a sewage station is achieved.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to the technical field of a method for treating waste liquid containing benzene ring substances. Background technique [0002] At present, the coking enterprise's own pre-ammonia desulfurization process has been widely used in coking oven gas desulfurization in the coking industry in recent years. This process uses ammonia with coal gas as alkali source, and uses cobalt phthalocyanine (PDS) compound as the main component of desulfurization and decyanation catalyst. The desulfurization operation cost is low, the investment is small, the process operation is simple, and the desulfurization and decyanation efficiency is high. It is a desulfurization process commonly used in the coking industry at present without adding an alkali source. According to incomplete statistics, more than 200 enterprises across the country have adopted this method for desulfurization, and all...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/00C02F3/34C02F101/30C02F101/34C02F101/36C02F103/18
CPCC02F9/00C02F3/006C02F3/34C02F2101/30C02F2103/18C02F1/72C02F1/281C02F1/02C02F2209/005C02F2301/106C02F2101/345C02F2101/40C02F2101/34C02F2101/36C02F1/66
Inventor 吴智仁蒋素英李俊波周向同梁止水
Owner ATK HLDG GRP CO LTD
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