A kind of microbial composite bacterial agent and its application in the treatment of benzo[a]pyrene in coking wastewater

A microbial compound bacteria, coking wastewater technology, applied in biological water/sewage treatment, microorganism-based methods, microorganisms, etc., can solve the problem of low biodegradation efficiency and achieve excellent results

Active Publication Date: 2021-09-28
GUANGDONG PHARMA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the technical bottleneck problem that the biodegradation efficiency of benzo[a]pyrene is not high at present in coking wastewater, the object of the present invention is to provide a microbial composite bacterial agent, which can efficiently degrade benzo[a]pyrene in coking wastewater. And[a]pyrene microbial composite system

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  • A kind of microbial composite bacterial agent and its application in the treatment of benzo[a]pyrene in coking wastewater

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Embodiment 1

[0027] Through the research on the three-phase fluidized bed coking wastewater biological treatment system of the actual project of Songshan Iron and Steel Company in Shaoguan City, Guangdong Province, China, in order to study the actual operation of the bacterial agent in the coking wastewater project A-O 1 -H-O 2 The ability to degrade benzo[a]pyrene in the system, taking the anaerobic pond (A pond) coking wastewater as the experimental object, according to the mass fraction of each component of the following microbial agents: Comamonas sp. ( GIM Accession No. 1.1026) 5%, Hydrogenophilus sp. (ATCC Accession No. BAA-479) 6%, Thiobacillus sp. (ATCC Accession No. 14574) 2%, Geobacter (Geobacter sp.) (CGMCC Accession No. 1.12536) 2%, Diaphorobacter sp. (CGMCC Accession No. 3511) 72%, Tissierella_Soehngenia sp. (ATCC Accession No. 25539) 13%, configured as bacterial agents. Add the prepared bacterial agent into pool A, mix it with sewage and sludge, and then add benzo[a]pyrene 1...

Embodiment 2

[0030] Through the research on the three-phase fluidized bed coking wastewater biological treatment system of the actual project of Songshan Iron and Steel Company in Shaoguan City, Guangdong Province, China, in order to study the actual operation of the bacterial agent in the coking wastewater project A-O 1 -H-O 2 The ability to degrade benzo[a]pyrene in the system, according to the mass fraction of each component of the following microbial agents: Comamonas sp. (GIM accession number 1.1026) 5%, Hydrogenophilus sp.) (ATCC accession number BAA-479) 6%, Thiobacillus sp. (ATCC accession number 14574) 2%, Geobacter sp. (CGMCC accession number 1.12536) 2%, Diaphorobacter sp. (CGMCC Accession No. 3511) 72%, Tissierella_Soehngenia sp. (ATCC Accession No. 25539) 13%, configured as bacterial agents. Take the coking wastewater from the anaerobic pool (Pool A) as the experimental object, add the prepared bacterial agent, and mix it with sewage and sludge for culture. Then add benzo[a]...

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Abstract

The present invention provides the application of a kind of microbial composite bacterial agent in the treatment of benzo[a]pyrene in coking wastewater, composed of Comamonas ( Comamonas sp.), Hydrogenophilus ( Hydrogenophilus sp.), Thiobacillus ( Thiobacillus sp.), Diaphorobacter sp., Tissierella_Soehngenia sp., Geobacter ( Geobacter sp.) composed of 6 dominant bacterial groups, the microbial composite bacterial agent has the advantage of good degradation of benzo[a]pyrene coking wastewater. At the same time, the microbial flora composite bacterial agent of the present invention has the characteristics of high-efficiency phenol co-matrix degradation of benzo[a]pyrene, no secondary pollution, and the like. It utilizes the solubilization effect of phenol co-matrix to promote the degradation of benzo[a]pyrene by microorganisms, and finally through the constructed microbial complex phenol co-matrix biodegradable pollutants such as benzo[a]pyrene in coking wastewater.

Description

technical field [0001] The invention belongs to the related field of wastewater biological treatment, and relates to a microbial composite bacterial agent for treating coking wastewater, in particular to a highly efficient composite organism for degrading benzo[a]pyrene and polycyclic aromatic hydrocarbons and other organic toxic compounds in coking wastewater with phenol co-matrix Bacteria. Background technique [0002] Coking wastewater is an industrial wastewater formed during high-temperature distillation of coal, gas purification, and refining of chemical products. Its typical characteristics are the complex composition of pollutants and their high toxicity. Coking wastewater is a typical industrial wastewater containing refractory pollutants, including high concentrations of toxic, mutagenic and carcinogenic substances, such as ammonia, phenols, benzene, cyanide and thiocyanate, etc. It has a high concentration, is toxic and difficult to degrade, causing serious pollu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/20C02F3/34C12R1/01C02F101/32
CPCC02F3/34C02F2101/327C12N1/20
Inventor 朱爽李基鹏丁钜港邓锦思冯婷婷谢君婷林月霞周林
Owner GUANGDONG PHARMA UNIV
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