ENVIRONMENTAL BENIGN MITIGATION OF MICROBIOLOGICALLY INFLUENCED CORROSION (MIC)
The overall program objective is to develop and evaluate environmental benign agents or products that are effective in the prevention, inhibition, and mitigation of microbially influenced corrosion (MIC) in the internal surfaces of metallic natural gas pipelines. The goal is one or more environmental benign, a.k.a. ''green'' products that can be applied to maintain the structure and dependability of the natural gas infrastructure. The technical approach for this quarter were monitoring the development of Desulfovibrio species biofilm using the continuous flow cell system, evaluation of pepper compounds by microtiter plate assay for mitigating and inhibiting biofilm formation, and testing the effective concentrations to verify the extent of corrosion on metal coupons. Biofilm formation of Desulfovibrio vulgaris and D. desulfuricans was monitored and documented over a 7-day period. The use of a continuous flow cell system proved to be efficient and non-destructive in studying biofilm growth. Live/Dead BacLight was an efficient stain to determine cell viability. The extracts showed 9-25% biofilm formation inhibition against the two organisms, and 18-19% activity in detaching the already formed biofilm. Preliminary data were obtained on the extent of corrosion of metal coupons when treated with pepper extracts as against the untreated ones. Confirmatory tests are underway. A presentation was prepared and give at the US DOE NETL meeting on gas and petroleum infrastructure. The presentation is include as an addition to this report.
- Research Organization:
- Gas Technology Institute (US)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FC26-01NT41158
- OSTI ID:
- 810447
- Resource Relation:
- Other Information: PBD: 1 Nov 2002
- Country of Publication:
- United States
- Language:
- English
Similar Records
ENVIRONMENTAL BENIGN MITIGATION OF MICROBIOLOGICALLY INFLUENCED CORROSION (MIC)
ENVIRONMENTALLY BENIGN MITIGATION OF MICROBIOLOGICALLY INFLUENCED CORROSION (MIC)