Enzymatic hydrolysis of waste fats, oils and greases (FOGs): Status, prospective, and process intensification alternatives
نویسندگان
چکیده
• A review of waste fats, oils and greases (FOGs) enzymatic hydrolysis is carried out. Waste FOGs potential industrial interest as oleochemical feedstock are described. Main challenges on the residual lipids explained. Developments lipase immobilization, combination, engineering revised. Intensification processes for The increasing global generation oils, resulting in a cascade economic, environmental, public health issues mismanagement common practice worldwide. Hence exploitation valorization required towards circular economy within industry. suitable further include used cooking trap greases, mill effluents, rendering spent earths from filtration bleaching, deodorization distillates, soapstocks, sewage sludges, among others. However main challenge harnessing their heterogeneity high content impurities, acidity, water. Alternatively, could be subjected to complete recover free fatty acids (FFAs), which widely feedstocks. Different catalysts have been explored this process, however, lipases particular because they able work low-quality feedstocks under milder operating conditions. This paper reviews most recent investigations FOGs, describing characteristics, conditions, challenges, current attempts improve enzymes performance, use combined chemical utilization, implementation intensified processing technologies. Potential future research possibilities process intensification field identified.
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ژورنال
عنوان ژورنال: Chemical Engineering and Processing
سال: 2022
ISSN: ['1873-3204', '0255-2701']
DOI: https://doi.org/10.1016/j.cep.2022.108930