Method for inhibiting microbially influenced corrosion

Details Method for inhibiting microbially influenced corrosion Method for inhibiting microbially influenced corrosion

Filed on

1996-08-09

Date issued

1998-05-19

Examiner

Bhat, Nina

Patent Class

Chemical apparatus and process disinfecting, deodorizing, preser

SubClass

Process disinfecting, preserving, deodorizing, or sterilizing

SubSubClass

Maintaining environment nondestructive to metal

Other Related Categories

422 13, 422 14, 435262, 435266, 435281, 134 42, C23F 1100, C23F 1106

Type

Patent

Status

active

Patent number

057531803

Description

ABSTRACT:
A non-biocidal method for inhibiting microbially influenced corrosion of susceptible metal surfaces having an anaerobic biofilm containing active sulfate-reducing bacteria comprising contacting the biofilm with a liquid dispersion of anthraquinone compound.

REFERENCES:
patent: 4561981 (1985-12-01), Characklis
patent: 5385842 (1995-01-01), Weimer et al.
patent: 5500368 (1996-03-01), Tatnall
Perkins & Euchner, Safe Purging of Natural Gas Pipelines, SPE Production Engineering, 663-668, Nov. 1988.
Costerton & Lashen, Influence of Biofilm on Efficacy of Biocides on Corrosion-Causing Bacteria, National Association of Corrosion Engineers, 13-17, Feb. 1984.
Blenkinsopp et al., Electrical Enhancement of Biocide Efficacy against Pseudomonas aeruginosa Biofilms, Applied and Environmental Microbiology, 58, No. 11, 3770-3773, Nov. 1992.

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