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Application of fungicide comprising pseudomonas monteilii in purification of chlorine-containing waste gas

A technology of Pseudomonas monsonii and bacterial agents, applied in the field of environmental governance, can solve the problems of low organic chlorine treatment efficiency, uneven loading, and packing collapse, etc., and achieve the effects of short adaptation period, shortened start-up period, and less loss

Active Publication Date: 2018-10-09
DAJIANG ENVIRONMENT CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] In order to solve the problems in the prior art of volatile organic sulfur, low 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, the invention provides a strain of Pseudomonas monsonii (Pseudomonas monteilii), and apply the strain to the removal of waste gas containing organic chlorine

Method used

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  • Application of fungicide comprising pseudomonas monteilii in purification of chlorine-containing waste gas

Examples

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Effect test

Embodiment 1

[0044] Example 1 Application of a bacterial agent containing Pseudomonas monsonii in purifying waste gas containing organic chlorine

[0045] A bacterial agent prepared by Pseudomonas monteilii (Pseudomonas monteilii) LW-1, which can be used to purify organic chlorine-containing waste gas and solve the pollution problem of volatile organic phosphorus produced in processes such as pesticide wastewater treatment, said The preparation method of bacterial agent is as follows:

[0046] (1) Fermentation broth preparation method

[0047] Pseudomonas monsonii LW-1 was cultured on a slant and then inserted into the fermentation medium, and the inoculation amount was 10% to expand the culture step by step. The fermentation conditions: 35°C, ventilation rate 10L / min, dissolved oxygen > 2.0mg / L, Under the condition of tank pressure 0.03-0.10Mpa, the cultivation time is 55h;

[0048] The composition of the slant medium is: glucose 0.5g, K 2 HPO 4 0.5g, KH 2 PO 4 1.5g, (NH 4 ) 2 S...

Embodiment 2

[0056] Example 2 Application of a bacterial agent containing Pseudomonas monsonii in purifying waste gas containing organic chlorine

[0057] A bacterial agent prepared by Pseudomonas monteilii (Pseudomonas monteilii) LW-1, which can be used to purify waste gas containing organic chlorine and solve the pollution problem of volatile organic chlorine produced in processes such as pesticide wastewater treatment, said The preparation method of bacterial agent is as follows:

[0058] (1) Fermentation broth preparation method

[0059] Pseudomonas monsonii LW-1 was cultured on a slant and then inserted into the fermentation medium, and the inoculum size was 25% for step-by-step scale-up cultivation. Fermentation conditions: at 45°C, ventilation rate 100L / min, dissolved oxygen>2.0mg / L, under the condition of tank pressure 0.03-0.10Mpa, the culture time is 45h;

[0060] The composition of the slant medium is: glucose 0.5g, K 2 HPO 4 0.5g, KH 2 PO 4 1.5g, (NH 4 ) 2 SO 4 0.5...

Embodiment 3

[0068] Example 3 Application of a bacterial agent containing Pseudomonas monsonii in purifying waste gas containing organic chlorine

[0069] A bacterial agent prepared by Pseudomonas monteilii (Pseudomonas monteilii) LW-1, which can be used to purify waste gas containing organic chlorine and solve the pollution problem of volatile organic chlorine produced in processes such as pesticide wastewater treatment, said The preparation method of bacterial agent is as follows:

[0070] (1) Fermentation broth preparation method

[0071] Pseudomonas monsonii LW-1 was cultured on a slant and then inserted into the fermentation medium, and the inoculation amount was 18% to expand the culture step by step. The fermentation conditions: at 40°C, ventilation rate 50L / min, dissolved oxygen > 2.0mg / L , under the condition of tank pressure 0.03-0.10Mpa, culture time 50h;

[0072] The composition of the slant medium is: glucose 0.5g, K 2 HPO 4 0.5g, KH 2 PO 4 1.5g, (NH 4 ) 2 SO 4 0.5...

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Abstract

The invention belongs to the field of environmental governance, and particularly relates to application of fungicide comprising pseudomonas monteilii in purification of chlorine-containing waste gas.The pseudomonas monteilii is particularly Pseudomonas monteilii LW-1, the accession number is CGMCC No. 13748, the fungicide is used for treating organic-chlorine-containing waste gas generated in a pesticide waste water storage pond, gas flow is 100-5000 m<3> / h, residence time is 1.0-5.0 min, the temperature is 35-55 DEG C, the concentration of trichloracetic aldehyde is 5-100 mg / m<3>, and the degradation efficiency of the trichloracetic aldehyde can reach 75% or above.

Description

Technical field: [0001] The invention belongs to the field of environmental treatment, and in particular relates to the application of a bacterial agent containing Pseudomonas monteilii LW-1 in purifying volatile organic chlorine waste gas. Background technique: [0002] Wastewater from pesticide production contains a large amount of organosulfur pesticides and organochlorine pesticide intermediates, with complex components, high concentrations, and strong toxicity. Some organosulfur pesticides and organochlorine pesticide products or their intermediates, such as parathion, malathion, methyl parathion, chloral, phosphorus trichloride, etc., are volatile, and most of them are organic Sulfur and organochlorine pesticides have a pungent odor. [0003] Parathion (C 10 h 14 NO 5 PS) is a colorless oily liquid with a solubility in water of 24mg / L (25°C). Slightly soluble in petroleum ether and kerosene, miscible with most organic solvents, has garlic odor. Rapidly hydrolyzed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/20B01D53/84B01D53/70C12R1/38
CPCB01D53/70B01D53/84C12N1/20C12N1/205C12R2001/38Y02A50/20
Inventor 任仁朱利军柴春燕张徐祥
Owner DAJIANG ENVIRONMENT CORP
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