化学工程2009，Vol.37Issue(7)：4-8,5.
苯乳酸发酵液脱色工艺及吸附方程的探讨
Decoloration process of phenyllactic acid fermentation broth and its adsorption isotherm
摘要
Abstract
The decoloration effect of four kinds of activated carbon on phenyllactic acid fermentation broth was studied based on the decoloration rate and the recovery ratio of phenyllactic acid. The decoloration experiments were carried out by single factor experiments and orthogonal experiments. The optimal conditions for decoloration were determined as follows:1.5% activated carbon addition, initial pH 6.5, temperature 90℃, decoloration time 30 min. The results show that under these conditions, the decoloration rate of active carbon (AC1) reaches 90.5%, and phenyllactic acid recovery rote reaches 88.6%. The adsorption isotherm was also studied in the decoloration system of fermentation broth, and it was verified that the adsorption process follows the Freundlich equation.关键词
苯乳酸/活性炭/脱色/Freundlich吸附等温线Key words
phenyllactic acid/activated carbon/decoloration/Freundlich sorption isotherm分类
轻工纺织引用本文复制引用
陈超,沐万孟,江波,张涛,李兴峰..苯乳酸发酵液脱色工艺及吸附方程的探讨[J].化学工程,2009,37(7):4-8,5.基金项目
"十一五"国家863资助项目(2006AA102334) （2006AA102334）
