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Oil and gas operations have moved from conventional petroleum reserves to unconventional petroleum reserves such as remote offshore, deep Ocean and the Arctic. The management of oil spills is especially challenging due to these conditions. Oil spills are typically due to vessels accidents, tanker discharges, wells, offshore platforms, drilling wastes, or release of refined petroleum products and their...
Biodiesel has been gaining increased attention as a nontoxic, biodegradable and renewable new green alternative diesel fuel. Production of biodiesel can be synthesized by chemical or by lipase methods, while lipase method has more advantages compared to chemical synthetic method. In this article, the microbial strains with activity of lipase were isolated from long time oil-contaminated soil and strain...
The release of ammonia from the industry of rare earth leads to harmful cyan bacterial bloom and consumption of non-renewable oil resources cause the energy crisis. Using an isolated strain of Chlorella sp. USTB-01, which can grow both autotrophically and heterotrophically, to remove ammonia nitrogen from the rare-earth wastewater and to produce biodiesel were investigated. The results showed that...
The world is entering a period of declining non-renewable energy resources popularly known as “Peak Oil”. Climate change is therefore more than a problem with a feasible solution based either in science or markets on which we are likely to reach rapid consensus. Since the mid-20th century it has projected continuation. Earth is already showing many signs of worldwide climate change. One of the greatest...
To screen potential oleaginous microorganisms for production of microbial lipid, thirty-one yeast strains from forest soils collected from Hunan Province, China, were tested for their potentiality to produce microbial lipid, and fourteen potential strains were further screened. The results showed that yeast strain SCIM 2.012 displayed the most potential ability in producing microbial lipid, the lipid...
Oleaginous yeasts can use different kinds of residues as nutrients. Their biomass contains a significant fraction (>20%) of lipids, that can be used as feedstock for biodiesel production. Lipomyces starkeyi were able to survive and proliferate in the presence of olive mill wastewater (OMWW), without external organic supplement, in spite of the antimicrobial activity of their phenolic components...
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