A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Qualitative Investigation of Microbially Induced Corrosion of Concrete in Sanitary Sewer Pipe and Manholes
Microbially induced corrosion (MIC) of concrete is a major cause of deterioration in sanitary sewer systems and requires considerable amount of rehabilitation investment every year. MIC is caused by the production of hydrogen sulfide by sulfur oxidizing microorganisms present inside the sanitary sewers. The objective of this paper is to investigate solutions for reduction and/or elimination of MIC in the concrete sanitary sewers. This study reviews the cement chemistry, basic science behind concrete deterioration, and MIC production that takes place due to various biological processes which lead to the production of dilute sulfuric acid. Historical attempts to fortify concrete along with methods to reduce odors and corrosion by treatment of raw sewage are discussed. Experimental testing as per ASTM D4783 standard shows resistance of concrete samples to microbial attack with the use of antimicrobial additives.
Qualitative Investigation of Microbially Induced Corrosion of Concrete in Sanitary Sewer Pipe and Manholes
Microbially induced corrosion (MIC) of concrete is a major cause of deterioration in sanitary sewer systems and requires considerable amount of rehabilitation investment every year. MIC is caused by the production of hydrogen sulfide by sulfur oxidizing microorganisms present inside the sanitary sewers. The objective of this paper is to investigate solutions for reduction and/or elimination of MIC in the concrete sanitary sewers. This study reviews the cement chemistry, basic science behind concrete deterioration, and MIC production that takes place due to various biological processes which lead to the production of dilute sulfuric acid. Historical attempts to fortify concrete along with methods to reduce odors and corrosion by treatment of raw sewage are discussed. Experimental testing as per ASTM D4783 standard shows resistance of concrete samples to microbial attack with the use of antimicrobial additives.
Qualitative Investigation of Microbially Induced Corrosion of Concrete in Sanitary Sewer Pipe and Manholes
Kaushal, Vinayak (author) / Najafi, Mohammad (author) / Love, Johnny (author)
Pipelines 2018 ; 2018 ; Toronto, Ontario, Canada
Pipelines 2018 ; 768-775
2018-07-12
Conference paper
Electronic Resource
English
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