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Microbial growth composition for completing nitrification process and application thereof

A composition and technology of nitrifying bacteria, applied in the direction of adding compounds to stimulate growth, biological water/sewage treatment, chemical instruments and methods, etc., can solve problems such as high content of accelerator metal salts, secondary pollution of sewage, etc., and achieve shortening Effect of treatment time, improvement of denitrification activity, and promotion of smooth progress

Active Publication Date: 2021-08-31
CHINA PETROLEUM & CHEM CORP +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the metal salt content in the accelerator is relatively high, and it will cause secondary pollution of sewage after long-term dosing

Method used

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  • Microbial growth composition for completing nitrification process and application thereof
  • Microbial growth composition for completing nitrification process and application thereof

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Embodiment Construction

[0016] The preparation method and effect of the present invention will be 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.

[0017] 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.

[0018] In the embodiment of the present invention, the contact conditions are as follows: the temperature is 20-40° C., the pH is 6-9, and the dissolved oxygen is 0.1-5.0 mg / L. Among them, dissolved oxygen was measured by iodometric method.

[0019] In the embodiment of the present invention, the nitrifying bacteria are various nitr...

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Abstract

The invention relates to a microbial growth composition for completing the nitrification process, mainly comprising glycolipids and sugar alcohols, wherein the glycolipids are water-soluble glyceroglycolipids, such as water-soluble mannose lipids, water-soluble sucrose esters, etc. at least one of the The composition has a simple formula and is easy to prepare. When used in the nitrification process, the slow-growing nitrifying bacteria can grow and multiply rapidly in a short period of time. The cultured bacteria have high activity, good flocculation, long service life, and impact resistance. Ability and other characteristics.

Description

technical field [0001] The invention belongs to the field of biotechnology, and in particular relates to a microbial growth composition for completing the nitrification process and its application. Background technique [0002] In the biological denitrification method, whether it is the traditional nitrification-denitrification, or the new short-range nitrification-denitrification and short-range nitrification-ANAMMOX, it is necessary to remove ammonia nitrogen through the nitrification of nitrifying bacteria. Nitrifying bacteria belong to chemotrophic microorganisms, and biological cells can only use the energy stored in the form of ATP, etc., and cannot directly use the free energy released by chemical reactions. In aerobic metabolism, ATP is mainly synthesized by oxidative phosphorylation of the respiratory chain. The efficiency of ammonia oxidation phosphorylation is very low, and the ATP that can be produced is very limited. The energy is mainly used for electron trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/38C02F3/34
Inventor 高会杰孙丹凤郭志华陈明翔
Owner CHINA PETROLEUM & CHEM CORP
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