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Application of a kind of biologically active filler comprising Brevibacterium nirbii

A technology of Brevibacillus nirbidii and microbial activity, applied in the field of environmental governance, can solve the problems of low treatment efficiency of volatile organic chlorine, uneven loading, and packing collapse, etc., and achieve light weight, shortened start-up period, and small pressure loss. Effect

Active Publication Date: 2019-05-28
DAJIANG ENVIRONMENT CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problems of low volatile organic chlorine treatment efficiency, uneven loading of microorganisms on the surface of the mixed carrier, slow start-up, and collapse of fillers after long-term use in the prior art, the present invention provides a strain of Brachybacterium nesterenkovii NY- 1, and apply the strain to remove waste gas containing organic chlorine

Method used

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  • Application of a kind of biologically active filler comprising Brevibacterium nirbii
  • Application of a kind of biologically active filler comprising Brevibacterium nirbii

Examples

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Embodiment 1

[0053] Example 1 A microbial active filler for removing waste gas containing organic chlorine and its preparation

[0054] A kind of microbial active filler, described microbial active filler is prepared by the suspension of Brachybacterium nesterenkovii (Brachybacteriumnesterenkovii) NY-1 bacterial suspension being adsorbed on the filler, and the filler is packed in the mesh surface hollow ball, can better Treatment and purification of waste gas containing organic chlorine.

[0055] The filler is volcanic rock; the density of the filler is 900kg / m 3 , the porosity is 55%, the particle size is 4mm; the mass ratio of microbial suspension to filler is 2:10; the concentration of Brevibacterium NY-1 in microbial active filler is 2.5×10 7 CFU / g (填料) ;

[0056] The material of the hollow ball on the mesh surface is polyethylene; the hollow ball on the mesh surface has a diameter of 6 cm and is composed of two hemispheres, each hemisphere surface is porous, and the aperture of eac...

Embodiment 2

[0070] Example 2 A microbial filler for removing waste gas containing organic chlorine and its preparation

[0071]A kind of microbial active filler, described microbial active filler is prepared by the suspension of Brachybacterium nesterenkovii (Brachybacteriumnesterenkovii) NY-1 bacterial suspension being adsorbed on the filler, and the filler is packed in the mesh surface hollow ball, can better Treatment and purification of waste gas containing organic chlorine.

[0072] The filler is a polyurethane foam block; the filler density is 20kg / m 3 , the porosity is 90%, the particle size is 85mm; the mass ratio of the microbial suspension to the filler is 90:10; the concentration of Brevibacterium NY-1 in the microbial active filler is 1.0×10 10 CFU / g (填料) ;

[0073] The material of the hollow ball on the mesh surface is polypropylene; the hollow ball on the mesh surface has a diameter of 6 cm and is composed of two hemispheres, each hemisphere has a porous surface, and the ...

Embodiment 3

[0087] Example 3 A microbial filler for removing waste gas containing organic chlorine and its preparation

[0088] A kind of microbial active filler, described microbial active filler is prepared by the suspension of Brachybacterium nesterenkovii (Brachybacteriumnesterenkovii) NY-1 bacterial suspension being adsorbed on the filler, and the filler is packed in the mesh surface hollow ball, can better Treatment and purification of waste gas containing organic chlorine.

[0089] The filler is molecular sieve; the filler density is 500kg / m 3 , the porosity is 75%, the particle size is 50mm; the mass ratio of the microbial suspension to the filler is 50:10; the concentration of Brevibacterium NY-1 in the microbial active filler is 6.0×10 8 CFU / g (填料) ;

[0090] The material of the hollow ball on the mesh surface is polyvinyl chloride; the hollow ball on the mesh surface has a diameter of 6cm and is composed of two hemispheres, each hemisphere has a porous surface, and the apert...

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Abstract

The invention belongs to the field of environmental management, and in particular relates to the application of a microbial active filler containing Brevibacterium nierbii. The Brachybacterium nesterenkovii is specifically Brachybacterium nesterenkovii NY-1, and the preservation number is CGMCC No.13747. The microbial active filler containing Brevibacterium nirbii NY-1 can treat and purify waste gas containing organic chlorine, and has a high efficiency of degrading organic chlorine, which can reach 90-96%; and the adaptation period of dominant bacteria is short, 1 The degradation reaction can be quickly started within a week, and it can shorten the start-up period when it is used in the purification of waste gas bioreactors containing organic chlorine.

Description

Technical field: [0001] The invention belongs to the field of environmental management, and in particular relates to the application of a biologically active filler strain of Brachybacterium nesterenkovii (Brachybacterium nesterenkovii) NY-1. Background technique: [0002] Organochlorine pesticides are organic compounds containing organochlorine elements in the components used to prevent and control plant diseases and insect pests, and are recognized as a very important class of persistent organic pollutants. During the production of organochlorine pesticides and the treatment of pesticide wastewater, volatile pesticide products or intermediates volatilize from the liquid phase and escape into the air, forming air pollution. Volatile pesticides and intermediates include: trichlorfon, dichlorvos, phosphorus trichloride, DDT, chloral urea, sodium trichloroacetate, HHC, aldrin, chlordane, endrin, seven Chlorine, toxaphene, hexachlorobenzene, mirex, chloral, etc. Most of these ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20B01D53/85B01D53/70C12R1/01
CPCB01D53/70B01D53/85C12N1/20C12N1/205C12R2001/01Y02A50/20
Inventor 任仁朱利军柴春燕张徐祥
Owner DAJIANG ENVIRONMENT CORP
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