The main objective of this investigation consists in the biogas purification coming from the anaerobic digestion of …

remaining catalyst, water, soaps, salts and esters formed during the reaction. Purification of glycerol as well as the … biodiesel industry. This paper reviews different methods of producing crude glycerol as the major by-product. Purification of …

); and (c) ion exchange (cation resin). The results show that all the purification methods can remove soap, methanol and …

reaction of vegetable oils, the obtained crude biodiesel must be purified. The commonly applied purification step is water … is a suitable alternative for biodiesel purification. …

conditions of a charcoal-based purification process were determined by experimental design. All hydrolysates, with their …

washing) and novel (membrane separation technology and usage of ion liquids) methods of crude biodiesel purification. It also … provides a comparison of crude biodiesel purification methods. Each method has its advantages and disadvantages, which should …

in terms of purification for crude glycerol. This review summarizes the progress of crude glycerol purification … glycerol purification which includes chemical pre-treatment, methanol removal, vacuum distillation, ion exchange, activated … conventional, current and emerging glycerol purification technologies. Lastly, aspects concerning the challenges of glycerol …

We prove existence and purification results for strategic environments possessing a product structure that includes …