Method and system for separating ethanol based on sweet sorghum stalk solid ferment material
Title：
Method and system for separating ethanol based on sweet sorghum stalk solid ferment material
Application Number：
 200710100322
Application Date：
 2007/06/08
Announcement Date：
 2007/12/12
Pub. Date：
Publication Number：
 101085995
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[]
IPC：
 C12P 7/10C12M 1/00C07C 29/80
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Li Shizhong, Li Tiancheng
Key Words：
 sweet sorghum stalk, solid ferment material, ethanol, separating
Abstract：
 The invention relates to a method for separating ethanol by using Chinese sorghum straw through solid fermentation method and the system, belonging to field of ethanol produ ction process through solid fermentation. It comprises following steps: disintegrating Chinese sorghum straw, solid fermenting and getting fermentation material, conveying it to distilling system through compact channel convey belt; feeding fermentation material into annular rotary disk, contacting with steam from high- efficiency gas distributor to make ethanol converse into gas phase from solid phase, discharging slag continuously; separating ethanol with distilling- rectifying coupled process, getting industrial ethanol of 95.5% (w/w). The ethanol productivity is increased by employing istilling- rectifying coupled process, the ethanol volatilisation is dramatically reduced during conveying process by employing compact channel blet convey; the transiation is improved and continuous production is realized by employing annular rotary disk for solid distillation.
Claim：
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