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Iron reducing bacteria and application thereof

An in-situ restoration, CCTCCM2011498 technology, applied in the restoration of bacteria, contaminated soil, microorganisms, etc., can solve undiscovered problems and achieve the effects of favorable utilization, wide application prospects, and accelerated degradation

Active Publication Date: 2012-08-15
GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

So far, no iron-reducing ability has been found Fontibacter strain

Method used

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  • Iron reducing bacteria and application thereof
  • Iron reducing bacteria and application thereof
  • Iron reducing bacteria and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Enrichment and isolation of strain SgZ-2

[0016] The anode biofilm was torn from the sludge microbial fuel cell that had been continuously operated for 3 months and soaked in 20 mL of sterilized mineral salt medium. The composition of the mineral salt medium (MSM) was: 0.6 g NaH 2 PO 4 , 0.25 g NH 4 Cl, 0.1 g KCl, 0.2 g yeast extract, 10.0ml vitamin solution, 10.0ml trace element solution, and added 0.5 mM AQDS and 5 mM glucose as electron acceptor and electron donor respectively, pH adjusted to 7.2, Among them, the vitamin solution contains 2.0 mg biotin, 2.0 mg folic acid, VB 6 10.0 mg vitamins, 5.0 mg thiamine, 5.0 mg riboflavin, 5.0 mg niacin, 5.0 mg calcium pantothenate, 0.1 mg vitamin B 12 , 5.0 mg p-aminobenzoic acid, 5.0 mg lipoic acid; trace element solution contains 1.5 g nitrilotriacetic acid, 3.0 g MgSO per liter of deionized water 4 ·7H 2 O, 0.5 g MnSO 4 ·H 2 O, 1.0 g NaCl, 0.1 g FeSO 4 ·7H 2 O, 0.1 g CoCl 2 ·6H 2 O, 0.1 g CaCl 2 , 0.1 g ZnS...

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Abstract

The invention discloses a Fontibacterferrireducenss p. nov. CCTCCM 2011498 and the application of the Fontibacterferrireducenss p. nov. CCTCCM 2011498 in iron reduction. The SgZ-2 has stronger anaerobic iron reduction capacity and potential application value in the aspect of environmental modification.

Description

technical field [0001] The invention relates to a new strain of bacteria and its application in environmental engineering, in particular to a strain of iron reduction Fontibacter ferrireducens A new species of sp. nov. and its application in iron reduction. Background technique [0002] Due to the extensive use of oil and pesticides and the infiltration of harmful substances in urban waste into the soil, the organic pollution of the soil has become a huge environmental problem. my country has a large population and limited land resources. With the progress of urbanization, the problem of organic soil pollution is particularly prominent. [0003] There are two types of remediation of soil pollution. One is ex-situ remediation, which means transferring contaminated soil to other places for landfill or disposal to prevent it from endangering human safety. This method will inevitably destroy the structure of the soil, and it is difficult to remediate deep-seated contaminated s...

Claims

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Application Information

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IPC IPC(8): C12N1/20B09C1/10C12R1/01
Inventor 周顺桂杨贵芹袁勇陈铭
Owner GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI
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