Enzymatic Hydrolysis of Waste Fats
Komitet Biotechnologii PAN ; Instytut Chemii Bioorganicznej PAN
The intracellular lipases of Mucor circinelloides and Mucor racemosus immobilised in situ as well as the extracellular lipase of Rhizopus nigricans in solubleform were applied to enzymatic hydrolysis ofwaste fats from oil and meat industry, waste sludge of fats from municipal and industrial sewage-treatmentplants and waste water containing microemulsion of fats. The reaction of hydrolysis of plant and animal waste fats was carried out by two methods. Thefirst one was a partial hydrolysis of acylglycerols to obtain mono- and diacylglycerols. The second variant was complete hydrolysis of fats to obtain glyceroland free fatty acids. It has been demonstrated that lipase of Rhizopus nigricanspartly hydrolysed waste fats. The products of hydrolysis contained 35-45% mono- and diacylglycerols. These products may be used as emulsifier in the hydrolysis of fats. The yield of hydrolysis of waste fats by immobilised Mucor lipases was from 85 up to over 95%. Waste sludge of fats from municipal and industrial sewage contain 12-62% of free fatty acids. This kind of material was hydrolysed without an emulsifier but with the addition of calcium chloride. Theyield of hydrolysis of acylglycerols was from 45 to 76%. Tne yield of hydrolysis ofmicroemulsion of fats in waste water by immobilised Mucor lipases was from 80up to over 95%. As the hydrolysis products contained free fatty acids, mono- anddiacylglycerols, it was easy to make emulsions which could be utilised in anaerobic-aerobic processes.
Biotechnologia, vol.49, 2 (2000)-.
0860-7796 ; oai:rcin.org.pl:141525 ; IChB B-45
Biblioteka Instytutu Chemii Bioorganicznej PAN
Licencja Creative Commons Uznanie autorstwa-Na tych samych warunkach 4.0
Instytut Chemii Bioorganicznej Polskiej Akademii Nauk
Instytut Chemii Bioorganicznej Polskiej Akademii Nauk
12 paź 2020
5 paź 2020
1011
https://rcin.org.pl/ichb/publication/176828
Nazwa wydania | Data |
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Enzymatyczna hydroliza tłuszczów odpadowych | 12 paź 2020 |