Optimization of microwave-enhanced methanolysis of algal biomass to biodiesel under temperature controlled conditions

Patil, Prafulla; Reddy, Harvind; Muppaneni, Tapaswy; Ponnusamy, Sundaravadivelnathan; Sun, Yingqiang; Dailey, Peter; Cooke, Peter; Patil, Ulkarani; Deng, Shuguang

doi:10.1016/j.biortech.2013.03.118

Optimization of microwave-enhanced methanolysis of algal biomass to biodiesel under temperature controlled conditions

Journal Article · Sat Jun 01 04:00:00 EDT 2013 · Bioresource Technology

DOI:https://doi.org/10.1016/j.biortech.2013.03.118· OSTI ID:1097055

Patil, Prafulla ^[1]; Reddy, Harvind; Muppaneni, Tapaswy; Ponnusamy, Sundaravadivelnathan; Sun, Yingqiang; Dailey, Peter; Cooke, Peter; Patil, Ulkarani; Deng, Shuguang

New Mexico State University

The effect of a "controlled temperature" approach was investigated in the microwave-enhanced simultaneous extraction and transesterification of dry algae. Experimental runs were designed using a response surface methodology (RSM). The process parameters such as dry algae to methanol ratio, reaction time, and catalyst concentrations were optimized to evaluate their effects on the fatty acid methyl ester (FAME) yield under the "controlled temperature" conditions. Thermal energy associated with the microwave transesterification process was calculated at various temperature levels using the optimized process parameters. Algal biomass characterization and algal biodiesel analysis were carried out using various analytical instruments such as FTIR, TEM, GC-MS and confocal laser scanning microscopy. Thermogravimetric analysis under both nitrogen and oxygen environments was performed to examine the thermal and oxidative stability of the algal fatty acid methyl esters.

Research Organization:: New Mexico State Univ., Las Cruces, NM (United States)

Sponsoring Organization:: USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE)

DOE Contract Number:: EE0003046

OSTI ID:: 1097055

Report Number(s):: DOE-DANF-0003046-K7; 28302-K

Journal Information:: Bioresource Technology, Journal Name: Bioresource Technology Journal Issue: 2013 Vol. 137; ISSN 0960-8524

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

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09 BIOMASS FUELS
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