Characterization of pH dependence in organic acid absorption with non-reactive and reactive polymers for application in two-phase partitioning bioreactors
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- 作者：Eric C. Peterson ; David Contreras-Ló ; pez ; Jesse Harris ; J. Scott Parent ; parent@queensu.ca" class="auth_mail" title="E-mail the corresponding author ; Andrew J. Daugulis ; daugulis@queensu.ca" class="auth_mail" title="E-mail the corresponding author
- 关键词：TPPB ; two-phase partitioning bioreactor ; ISPR ; in situ product recovery ; PC ; partition coefficient ; D ; distribution coefficient ; ntot ; total moles of solute ; nSaq ; moles of solute in the aqueous phase ; nSpol ; moles of solute in the polymer phase ; nHAaq ; moles acid in aqueous phase ; nHApol ; moles acid in polymer phase ; nA-aq ; moles conjugate base in aqueous ; maq ; aqueous mass (g) ; mpol ; polymer mass (g)
- 刊名：Chemical Engineering Journal
- 出版年：2016
- 出版时间：1 March 2016
- 年：2016
- 卷：287
- 期：Complete
- 页码：503-510
- 全文大小：738 K
文摘
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Species distribution clearly described during acid partitioning in an absorptive polymer.
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Effect of acid absorption on equilibrium pH well characterized.
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High pressure CO2 (60 bar) can reversibly lower pH to facilitate acid absorption.
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Amine-functionalized hydrogels achieve high acid recovery with low polymer fractions.