What is soap stock made of?
Soapstock (SS) is an underutilised low-quality by-product of the refining of vegetable oils, which consists of a thick alkaline (pH >9) aqueous emulsion of lipids, containing free fatty acids and salts (soap), other components of the crude oil (triacyl- and phosphoacylglycerols, tocopherols, sterols and pigments) and ...
Soapstock (SS) is an underutilised low-quality by-product of the refining of vegetable oils, which consists of a thick alkaline (pH >9) aqueous emulsion of lipids, containing free fatty acids and salts (soap), other components of the crude oil (triacyl- and phosphoacylglycerols, tocopherols, sterols and pigments) and ...
