Influence of microbial processes on the operation of a cold store in a shallow aquifer: impact on well injectivity and filter lifetime
作者： Stephanie Lerm , Mashal Alawi , Rona Miethling-Graff , Markus Wolfgramm , Kerstin Rauppach
DOI: 10.1007/S00767-011-0165-X
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摘要: In this study, the operation of a cold store, located in 30–60 m depth North German Basin, was investigated by direct counting bacteria and genetic fingerprinting analysis. Quantification microbes accounted for 1 to 10⋅105 cells per ml fluid with minor differences microbial community composition between well process fluids. The detected microorganisms belong versatile phyla Proteobacteria Flavobacteria. addition routine plant operation, phase malfunction caused filter clogging monitored. Increased abundance sulfur-oxidizing indicated change supply electron acceptors, however, no changes availability acceptors like nitrate or oxygen were detected. Sulfur- iron-oxidizing played essential roles lifetimes at topside facility injectivity wells due formation biofilms induced mineral precipitations. particular, Thiothrix generated filamentous involved clogging.
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