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Coal gangue particles for immobilizing ammonia oxidizing bacteria and preparation method of coal gangue particles

A technology of coal gangue particles and oxidizing bacteria, which is applied in chemical instruments and methods, fixed on or in inorganic carriers, and aerobic process treatment, etc. The effect of high bacterial activity and efficient degradation

Inactive Publication Date: 2018-06-01
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

Various sewage treatment plants generally use the traditional activated sludge method for biological denitrification in the treatment of domestic sewage and municipal sewage. Due to the rising cost of environmental treatment, immobilized microbial technology has been continuously researched and developed. It will be used in wastewater treatment and even water treatment. Playing an increasingly important role in pollution control, however, there is still a lack of materials for immobilizing ammonia oxidizing bacteria. Therefore, the development of materials for immobilizing ammonia oxidizing bacteria is of great significance for the treatment and restoration of nitrogen-polluted water bodies

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] (1) Add 35 grams of coal gangue particles with a particle size of 2 to 3 cm into 500 mL of NaOH solution with a mass percent concentration of 45%, stir for 5 minutes at 1000 r / min, filter to remove the liquid, and wash with 800 mL of deionized water Then place it in a drying oven at a temperature of 105° C. for 30 minutes to obtain substance A;

[0046] (2) 2.52 grams of CuCl 2 and 1.89 grams of potassium thioacetate were added to 800 mL of deionized water, stirred at 1000 r / min for 3 minutes, shaken and divided into 4 equal parts to obtain mixed solution H1, mixed solution H2, mixed solution H3, and mixed solution H4;

[0047] (3) 130 mL of PbCl with a molar concentration of 0.62 mol / L 2 solution and 70 mL of FeCl with a molar concentration of 0.38 mol / L 3 The solution was added to the mixed solution H1, and stirred at 1000r / min for 3 minutes to obtain the mixed solution J1;

[0048] (4) Add substance A to the mixed solution J1, shake it in a shaker at a temperature...

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PUM

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Abstract

The invention discloses coal gangue particles for immobilizing ammonia oxidizing bacteria. The preparation method comprises the following steps: cleaning coal gangue particles, and modifying with mixed liquid of CuCl2, potassium thioacetate, PbCl2 and FeCl3 to obtain a substance B; modifying the substance B with mixed liquid of CoCl2, CeCl3, NaOH, NaCl and SrCl2 to obtain a substance C; modifyingthe substance C with mixed liquid of 2-pyrrole formaldehyde and glyoxylic acid to obtain a substance D; immobilizing ammonia oxidizing bacteria on the substance D to obtain the coal gangue particles for immobilizing ammonia oxidizing bacteria. The coal gangue particles and the preparation method thereof disclosed by the invention have the following beneficial effects: the prepared coal gangue particles for immobilizing ammonia oxidizing bacteria realize high activity of bacterial strains and can effectively degrade ammonia nitrogen in wastewater.

Description

technical field [0001] The invention belongs to the field of research and development and preparation of functional materials of environmental pollution control technology, and in particular relates to a coal gangue particle immobilized with ammonia oxidizing 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. It uses physical or chemical methods to fix free microbial cells into particles through self-agglomeration or in a specific cushion material. It remains 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 Cel...

Claims

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Application Information

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IPC IPC(8): C02F3/34C02F3/02C02F3/10C12N11/14
CPCC02F3/02C02F3/106C02F3/107C02F3/34C02F2101/16C12N11/14Y02W10/10
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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