Effect of pH on biodiesel production and the microbial structure of glucose-fed activated sludge

APHA, 2005 Amato, 2013, Habitat degradation impacts black howler monkey (Alouatta pigra) gastrointestinal microbiomes, ISME J, 7, 1344, 10.1038/ismej.2013.16 Bowan, 1997, Shewanella gelidimarina sp. nov. and Shewanella frigidimarina sp. nov., novel Anearctic species with the ability to produce eicosapentaenoic acid (20: 5ω3) and grow anaerobically by dissimilatory Fe (III) reduction, Int. J. Syst. Bacteriol., 47, 1040, 10.1099/00207713-47-4-1040 Davies, 1988, Yeast oil from cheese whey-process development, 99 Douterelo, 2011, Enzyme activities and compositional shifts in the community structure of bacterial groups in English wetland soils associated with preservation of organic remains in archaeological sites, Int. Biodeterior. Biodegrad., 65, 435, 10.1016/j.ibiod.2010.11.017 Dufreche, 2007, Extraction of lipids from municipal wastewater plant microorganisms for production of biodiesel, J. Am. Oil Chem. Soc., 84, 181, 10.1007/s11746-006-1022-4 Foidl, 1996, Jatropha curcas L. as a source for the production of biofuel in Nicaragua, Bioresour. Technol., 58, 77, 10.1016/S0960-8524(96)00111-3 Gerhardt, 1994 Haas, 2005, Alternate feedstocks and technologies for biodiesel production, 42 Knothe, 2005, Dependence of biodiesel fuel properties on the structure of fatty acid alkyl esters, Fuel Process. Technol., 86, 1059, 10.1016/j.fuproc.2004.11.002 Kulkarni, 2006, Waste cooking oil-an economic source for biodiesel: a review, Ind. Eng. Chem. Res., 45, 2901, 10.1021/ie0510526 Lee, 2002, Production of alkyl esters as biodiesel fuel from fractionated lard and restaurant grease, J. Am. Oil Chem. Soc., 79, 191, 10.1007/s11746-002-0457-y Liu, 2014, Short chain fatty acids accumulation and microbial community succession during ultrasonic-pretreated sludge anaerobic fermentation process: effect of alkaline adjustment, Int. Biodeterior. Biodegrad., 94, 128, 10.1016/j.ibiod.2014.07.004 Mondala, 2009, Biodiesel production by in situ transesterification of municipal primary and secondary sludges, Bioresour. Technol., 100, 1203, 10.1016/j.biortech.2008.08.020 Mondala, 2012, Enhanced lipid and biodiesel production from glucose-fed activated sludge: kinetics and microbial community analysis, AIChE J., 58, 1279, 10.1002/aic.12655 Mondala, 2013, Enhanced microbial oil production by activated sludge microorganisms via co-fermentation of glucose and xylose, AIChE J., 59, 4036, 10.1002/aic.14169 Pastore, 2013, Biodiesel from dewatered wastewater sludge: a two-step process for a more advantageous production, Chemosphere, 92, 667, 10.1016/j.chemosphere.2013.03.046 Reddy, 2008, Isolation of bacteria producing polyhydroxyalkanoates (PHA) from municipal sewage sludge, World J. Microbiol. Biotechnol., 24, 2949, 10.1007/s11274-008-9839-7 Revellame, 2012, Lipid storage compounds in raw activated sludge microorganisms for biofuels and oleochemicals production, RSC Adv., 2, 2015, 10.1039/c2ra01078j Sasser, 1990, 1 Spinosa, 2011, Sustainable and innovative solutions for sewage sludge management, Water, 3, 702, 10.3390/w3020702 Venkata Subhash, 2014, Lipid accumulation for biodiesel production by oleaginous fungus Aspergillus awamori: influence of critical factors, Fuel, 116, 509, 10.1016/j.fuel.2013.08.035 Vu, 2009, Bacterial extracellular polysaccharides involved in biofilm formation, Molecules, 14, 2535, 10.3390/molecules14072535 Wayman, 1984, Bacterial production of fats and oils, 129 Wu, 2013, The effects of nitrogen sources and temperature on cell growth and lipid accumulation of microalgae, Int. Biodeterior. Biodegrad., 85, 506, 10.1016/j.ibiod.2013.05.016 Zhang, 2013, Energy balance and greenhouse gas emissions of biodiesel production from oil derived from waste water and waste water sludge, Renew. Energy, 55, 392, 10.1016/j.renene.2012.12.046 Zhang, 2005, Effect of pH change on the performance and microbial community of enhanced biological phosphate removal process, Biotechnol. Bioeng., 92, 173, 10.1002/bit.20589