Biodegradation of oil tank bottom sludge using microbial consortia. We present a rationale for the selection of a microbial consortia specifically adapted to degrade toxic components of oil refinery tank bottom sludge OTBS. Sources such as polluted soils, petrochemical waste, sludge from refinery-wastewater plants, and others were used to obtain a collection of eight microorganisms, which were individually tested and characterized to analyze their degradative capabilities on different hydrocarbon families. After initial experiments using mixtures of these strains, we developed a consortium consisting of four microorganisms three bacteria and one yeast selected in the basis of their cometabolic effects, emulsification properties, colonization of oil components, and degradative capabilities. The effectiveness of this consortium was significantly superior to that obtained by individual strains, commercial inocula or an undefined mixture of culturable and non-culturable microorganisms obtained from OTBS-polluted soil. However, results were similar when another consortium of four microorganisms, previously isolated in the same OTBS-polluted soil, was assayed.
Tag: sludge metal
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Connect your Spotify account to your Last. Connect to Spotify. A new version of Last. Admiral Angry is an aggressively bottom heavy sludgecore band from Los Angeles, California. The band formed in and their first album to be….