ABE发酵

Abstract(#br)A poly(vinylidenefluoride) (PVDF) layer was obtained by casting PVDF/ N -methylpyrrolidone solution on a poly(ethylene terephthalate) non-woven sheet using phase inversion. Polydimethylsiloxane (PDMS) and phenyltrimethoxysilane (PhTMS) were cured on PVDF layer surfaces to obtain composite membranes. Multilayer polyphenylsiloxane (PPhS)/PDMS/PVDF composite membranes were prepared for butanol separation in acetone/butanol/ethanol (ABE).

Abstract(#br)We address two major challenges facing commercialization of acetone–butanol–ethanol (ABE) fermentation: product inhibition and low productivity. We studied a polystyrene- b -polydimethylsiloxane- b -polystyrene (SDS) triblock copolymer membrane for selective removal of butanol from aqueous solutions by pervaporation. The SDS membrane exhibited higher permeabilities than a commercially available cross-linked polydimethylsiloxane (PDMS) membrane.