Enzymatic Conversion of Cellulosic Materials in a Continuous Stirred Tank Reactor with an Ultrafiltration Membrane

2008 ◽  
pp. 433-445
Author(s):  
Hanshu Ding ◽  
Elena Vlasenko ◽  
Charles Shoemaker ◽  
Sharon Shoemaker
Keyword(s):  
Ultrafiltration Membrane ◽  
Stirred Tank ◽  
Enzymatic Conversion ◽  
Continuous Stirred Tank Reactor ◽  
Cellulosic Materials ◽  
Stirred Tank Reactor ◽  
Tank Reactor ◽  
Continuous Stirred Tank

New Process for Etherification of Glycerol with Isobutene

2015 ◽  
Vol 737 ◽  
pp. 33-37 ◽  
Author(s):  
Jing Jun Liu ◽  
Yong Yuan ◽  
Hang Zhang ◽  
Bo Lun Yang
Keyword(s):  
Distillation Column ◽  
Product Yield ◽  
Thermodynamic Study ◽  
Stirred Tank ◽  
Continuous Stirred Tank Reactor ◽  
Stirred Tank Reactor ◽  
Tank Reactor ◽  
New Process ◽  
Continuous Stirred Tank ◽  
Kinetic And Thermodynamic Study

A process was designed for etherification of glycerol with isobutene based on latest results of kinetic and thermodynamic study. A continuous stirred tank reactor was employed to carry out the reaction. Fresh glycerol was used to extract mono-ethers (ME) of glycerol in the reaction product and then returned to the reactor. Residual glycerol and ME were recovered by water washing and distillation. Isobutene and isobutene dimers were separated from high-ethers in a side draw distillation column. The new process was optimized, and a product yield of 97 wt% was obtained.

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