NDLI: Oil extraction from scum and ex situ transesterification to biodiesel

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Oil extraction from scum and ex situ transesterification to biodiesel

Content Provider	Scilit
Author	Yellapu, Sravan Kumar Kaur, Rajwinder Tyagi, Rajeshwar D.
Copyright Year	2019
Description	The aim of this study is to investigate the extraction of oil from scum obtained from a municipal wastewater treatment plant. Various parameters such as solvent volume, temperature, agitation and moisture content were optimized to maximize the oil extraction efficiency using freeze-dried scum. The oil extraction efficiency was compared for each parameter using hexane and petroleum diesel as a solvent. The optimum physical parameters for oil extraction using freeze-dried scum were 75 g solids/L solvent, temperature 60 °C, agitation 300 rpm for 60 min, and maximum oil extraction efficiency of 100 and 94.3% w/w was obtained using hexane and petroleum diesel, respectively. The obtained results using 1 g of scum were further validated using 1 kg of wet scum under optimized conditions, and oil extraction efficiency of 94.1 ± 1.3 and 91.3 ± 4.2% w/w was obtained using hexane and petroleum diesel, respectively. Furthermore, ex situ transesterification was performed, and results showed that scum had a higher neutral lipid. In brief, scum is a potential feedstock for the production of biodiesel, and more work on this must be done in future.
Related Links	http://espace.inrs.ca/9574/1/P3565.pdf
Ending Page	722
Page Count	8
Starting Page	715
ISSN	17597269
e-ISSN	17597277
DOI	10.1080/17597269.2018.1532753
Journal	Biofuels
Issue Number	6
Volume Number	12
Language	English
Publisher	Informa UK Limited
Publisher Date	2021-07-03
Access Restriction	Open
Subject Keyword	Journal: Biofuels Sustainable Science and Technology Thermodynamics Wastewater Sludge Scum Oil Extraction Petroleum Diesel Ex Situ Transesterification Biodiesel
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Renewable Energy, Sustainability and the Environment

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