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Accelerant for improving biological treatment effect of salt-containing wastewater and application thereof

A technology for biological treatment and saline wastewater, applied in biological water/sewage treatment, water treatment parameter control, special compound water treatment, etc., can solve the problems of denitrification effect to be improved, many accelerator components, etc., to achieve improved adaptation Ability and resistance, simple formula, effect of improving treatment effect

Active Publication Date: 2020-05-05
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the accelerator has many components, and the denitrification effect in high-salt environment needs to be improved.

Method used

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  • Accelerant for improving biological treatment effect of salt-containing wastewater and application thereof
  • Accelerant for improving biological treatment effect of salt-containing wastewater and application thereof

Examples

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Effect test

Embodiment Construction

[0017] The accelerator and application effect of the present invention are further illustrated below by way of examples. Embodiments are carried out on the premise of the technical solutions of the present invention, and detailed implementation methods and specific operation processes are provided, but the protection scope of the present invention is not limited to the following embodiments.

[0018] The experimental methods in the following examples are conventional methods in the art unless otherwise specified. The experimental materials used in the following examples can be purchased from biochemical reagent stores unless otherwise specified.

[0019] In the embodiments of the present invention, the COD concentration is measured by GB11914-89 "Water Quality - Determination of Chemical Oxygen Demand - Dichromate Method"; the ammonia nitrogen concentration is measured by GB7478-87 "Water Quality - Determination of Ammonium - Distillation and Titration" . The total nitrogen ...

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Abstract

The invention relates to an accelerant for improving the biological treatment effect of salt-containing wastewater. The accelerant mainly comprises a quaternary ammonium base and humus, and the quaternary ammonium base is at least one of choline phosphate, betaine, tetramethylammonium hydroxide and the like. The invention also provides a biological treatment method for treating high-salt wastewater by using the accelerant. The accelerator provided by the invention is simple in formula, easy to prepare, small in dosage, environment-friendly and economical. When the accelerator is used for biological treatment of salt-containing wastewater, the adaptability of a treatment system to a high-salt environment can be improved, and the treatment effect of ammonia nitrogen and total nitrogen in thesalt-containing wastewater is improved.

Description

technical field [0001] The invention belongs to the field of biologically enhanced wastewater treatment, and in particular relates to an accelerator for improving the biological treatment effect of saline wastewater and an application thereof. Background technique [0002] Petroleum, chemical, pharmaceutical and chemical fertilizer industries discharge saline wastewater with a salt content higher than 1%, especially reverse osmosis concentrated water, desulfurization and denitrification wastewater, etc., in addition to high salt content, also contain high organic pollutants and Nitrogen pollutants, this kind of saline wastewater is one of the problems in sewage treatment in the field of environmental protection. At present, most of this kind of saline wastewater is treated by physical methods, chemical methods or their combination methods, such as evaporation crystallization, adsorption and membrane interception, etc., can effectively treat high-salt wastewater. However, al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/34C02F101/20C02F101/10C02F101/16
CPCC02F9/00C02F3/34C02F2305/06C02F2209/14C02F2209/16C02F2209/08C02F1/54C02F2001/007C02F2209/22
Inventor 高会杰孙丹凤王刚陈明翔郭志华
Owner CHINA PETROLEUM & CHEM CORP
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