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12-Tungstophosphoric acid anchored to SBA-15: An efficient, environmentally benign reusable catalysts for biodiesel production by esterification of free fatty acids

Chemical EngineeringEngineeringIndustrial CatalysisFree Fatty AcidsGreen ChemistryBiochemical Engineering12-Tungstophosphoric AcidBenign Reusable CatalystsCatalysisChemistryCatalytic Synthesis