Tan, H.W.; Abdul Aziz, A.R.; Aroua, M.K. - In: Renewable and Sustainable Energy Reviews 27 (2013) C, pp. 118-127
Glycerol is a valuable byproduct in biodiesel production by transesterification, soap manufacturing by saponification as well as hydrolysis reaction. The purity of glycerol obtained is low due to the presence of impurities such as remaining catalyst, water, soaps, salts and esters formed during...