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Modified activated carbon carrier for immobilizing phorate degradation bacterium and preparation method thereof

The technology of activated carbon and degrading bacteria is applied in the field of modified activated carbon carrier for immobilizing phorate degrading bacteria and its preparation field. high effect

Inactive Publication Date: 2017-09-19
光合强化(北京)生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Immobilizing phorate-degrading bacteria is one of the most effective means to restore phorate-polluted environment. However, there is still a lack of functional materials for immobilizing phorate-degrading bacteria. Therefore, the development of immobilized phorate-degrading bacteria Modified activated carbon carrier, which is of great significance for the treatment and restoration of phorate polluted environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) 27.8g of activated carbon is added to 300mL of NaHCO with a mass percent concentration of 15%. 3 solution, stirred at 1000r / min for 50 minutes, filtered to remove the liquid, washed with 500mL of deionized water and placed in a drying oven at 102°C for 40 minutes to obtain substance A;

[0040] (2) Add 12.9 grams of 3-chloro-6-phenylpyridazine to 800 mL of ethanol, shake in a shaker at a temperature of 35°C for 35 minutes, divide into 4 equal parts after shaking well, and obtain the mixed solution G1, mix Liquid G2, mixed liquid G3, mixed liquid G4;

[0041] (3) 7.5 grams of 4-(2-aminoethyl)tetrahydropyran and 8.9 grams of 2-bromo-5-cyanopyrazine were added to 200 mL of chloroform and shaken in a shaker at a temperature of 35°C After 35 minutes, shake well and divide into 4 equal parts to obtain mixed solution H1, mixed solution H2, mixed solution H3, and mixed solution H4;

[0042] (4) Add mixed solution H1 and 8.8 g of 5-chloro-3-methylbenzothiophene to mixed so...

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PUM

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Abstract

The invention discloses a modified activated carbon carrier for immobilizing a phorate degradation bacterium. Activated carbon is washed and modified with a mixed liquid prepared from 3-chloro-6-phenyl pyridazine, alcohol, 4-(2-aminoethyl)-tetrahydropyrane, 2-bromo-5-cyanopyrazine and 5-chloro-3-methylbenzothiophene to prepare a substance B; the substance B is modified with a mixed liquid prepared from ZrCl4, CeCl3, Cu(NO3)2 and Sr(NO3)2 to prepare a substance C; and the substance C is modified with a mixed liquid prepared from 3-hydroxyflavone, alcohol, chlorphenyl silane and 2-imidazolidone to obtain a substance which is the modified activated carbon carrier for immobilizing the phorate degradation bacterium.

Description

technical field [0001] The invention belongs to the field of research and development and preparation of functional materials for environmental pollution control technology, and in particular relates to a modified activated carbon carrier for immobilizing phorate-degrading bacteria and a preparation method thereof. Background technique [0002] Immobilized microorganism technology is a biotechnology developed from immobilized enzyme technology in biochemical industry in the 1960s. By chemical or physical means, free cells are positioned in a limited space area to keep them active and can be used repeatedly. In the late 1970s, with the increasingly serious water pollution, this technology was applied to the biological treatment of industrial wastewater due to its unique advantages. Compared with the traditional suspension biological treatment method, immobilized microorganism technology has the ability to improve the microbial Cell concentration, maintaining high-efficiency s...

Claims

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Application Information

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IPC IPC(8): C12N11/14
CPCC12N11/14
Inventor 不公告发明人
Owner 光合强化(北京)生物科技有限公司
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