Methods and apparatus for the purification of isoprene, such as the purification of a bioisoprene composition from fermentor off-gas. The apparatus includes two columns that process the fermentor off-gas, which includes isoprene and various impurities. A solvent is added to the off-gas in the first column, and the isoprene is stripped from the solvent in the second column. Also provided is a downstream further purification process. Also provided are the resulting purified isoprene compositions.
申请公布号
CA2783976(A1)
申请公布日期
2011.06.23
申请号
CA20102783976
申请日期
2010.12.15
申请人
DANISCO US INC.;THE GOODYEAR TIRE & RUBBER COMPANY
发明人
FEHER, FRANK J.;KAN, JOHN KALUEN;MCAULIFFE, JOSEPH C.;MCCALL, THOMAS F.;RODEWALD, STEPHAN;SABO, TIMOTHY A.;WONG, TANG H.;PLOETZ, CHRISTOPHER D.;PICKERT, LAWRENCE J.