Journal of Food Engineering, Vol.38, No.1, 57-67, 1998
Process design and economic analysis of a ceramic membrane system for microfiltration of corn starch hydrolysate
A ceramic microfiltration membrane was used for the clarification of 95 dextrose equivalence com starch hydrolysate. Fluxes Mere optimized for transmembrane pressure ann cross-flow velocity at various feed concentration patios. A microfiltration membrane plant was designed for clarification of 113.6 m(3) h(-1) (500 gal min(-1)) of corn starch hydrolysate. The optimum membrane plant would have two feed-and-bleed stages with ail area of 441.6 m(2) each. Capital cost of the ceramic membrane plant was $2.08 million, with operating costs of $0.52 million yr(-1). In contrast, operating cost of rotary vacuum precoat filtration, which uses diatomaceous earth as filter aid, would be $1.8 million yr(-1).