Screening transesterifiable lipid accumulating bacteria from sewage sludge for biodiesel production.
作者： Mara Cea , Naiane Sangaletti-Gerhard , Pedro Acuña , Idi Fuentes , Milko Jorquera
DOI: 10.1016/J.BTRE.2015.10.008
关键词: Sewage treatment 、 Sludge 、 Biodiesel 、 Activated sludge 、 Raw material 、 Food science 、 Wastewater 、 Biology 、 Biodiesel production 、 Bacteria 、 Biotechnology
摘要: Sewage sludge was evaluated as high available and low cost microbial oils feedstock for biodiesel production. Samples from four different wastewater treatment plants La Araucania Region in Southern Chile presented total lipids content ranging between 7.7 12.6%, being Vilcun sewage that with the highest transesterifiable of about 50% extracted lipids. The most relevant identified bacteria present samples were Acinetobacter, Pseudomonas Bacillus, Bacillus sp. V10 strain transesterfiable 7.4%. cultured using urban supplemented glucose to achieve nitrogen depleted medium milk processing a low-cost carbon source. lipid profile indicates degree unsaturated long chain fatty acids such C18:1 may account approximately content, indicating its suitability be used raw material
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