PJB-2023-380
ASSESSMENT OF BIODIESEL QUALITY PRODUCED FROM CLADOPHORA OIL BY USING ATR-FTIR
IKRAM-UL-HAQ
Abstract
Biofuel produced from algae is sustainable and environment friendly in response to food security and climate changes. In the present work, FTIR-based quality assessment of the biodiesel produced from Cladophora oil was carried out. The algal biomass was obtained by growing the alga in an aquarium for six months. The extraction of oil from the Cladophora sp. was carried out using the soxhlet extraction method. The extracted oil was subjected to lipase-mediated transesterification. The contents and quality of fatty acid monoalkyl esters (FAAE) produced were analyzed using FTIR. The biodiesel FTIR spectra indicated methyl ester C=O stretching band at wave number 1743 cm-1 and carbonyl bands at wave number 1252, 1200, and 1175 cm-1. Analysis of these characteristic regions showed the best quality biodiesel from the Cladophora oil was produced utilizing lipase-mediated transesterification of methanol (at alcohol to oil ratio of 1:8) at 50ºC after 6 h stirring.
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