Application of comb-like weak base resin for concentrating succinic acid by circulating desorption

FANG Fang; LIU Xiaoning; WANG Nan; WANG Shuya; JIANG Min; WEI Rongqing; ZHENG Tao

doi:10.3969/j.issn.0438-1157.2014.05.029

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Application of comb-like weak base resin for concentrating succinic acid by circulating desorption

更新时间：2025-12-10

- Application of comb-like weak base resin for concentrating succinic acid by circulating desorption
- CIESC Journal Issue 5, Pages: 1764-1770(2014)
- 作者机构：
  
  1. 南京工业大学生物与制药工程学院,江苏,南京,211816
  2. 南京工业大学生物能源研究所,江苏,南京,211816
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.029
  CLC： Q028.3TQ425.232
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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FANG Fang, LIU Xiaoning, WANG Nan, et al. Application of comb-like weak base resin for concentrating succinic acid by circulating desorption[J]. CIESC Journal, 2014, (5): 1764-1770.
DOI：

FANG Fang, LIU Xiaoning, WANG Nan, et al. Application of comb-like weak base resin for concentrating succinic acid by circulating desorption[J]. CIESC Journal, 2014, (5): 1764-1770. DOI： 10.3969/j.issn.0438-1157.2014.05.029.

摘要

建立了一种有效的、低能耗的从梳状弱碱性（MKF-D30X）树脂上解吸丁二酸的工艺。考察了解吸剂用量（体积）、解吸温度、分段解吸及分段循环解吸对MKF-D30X树脂解吸附丁二酸的影响。结果表明，MKF-D30X树脂对溶液中的丁二酸（25 mg·ml-1）有很好的吸附作用，吸附量高达425 mg·（g干树脂）-1。当解吸温度为50℃，每个阶段用10 ml、1.0 mol·L-1 HCl解吸剂，两阶段解吸3 g吸附饱和的树脂，第1阶段解吸得到的丁二酸浓度可高达52.4 mg·ml-1，将丁二酸浓度提高到原液浓度的209.6%；在此基础上再进行分段循环解吸，不仅可以维持第1阶段获得的高浓度丁二酸，且可同时获得第2阶段2倍收率的高浓度丁二酸，达到了高浓度、高效率解吸丁二酸的目的。另研究表明，分段循环解吸液再作为解吸剂，其中丁二酸的浓度对丁二酸解吸效果没有明显影响。

Abstract

An effective and low energy consumption method was established for absorption and circulating desorption of succinic acid using a comb-like weak base polystyrene resin. The behavior of the comblike weak base resin (MKF-D30X) in adsorption and desorption of succinic acid was studied in terms of volume of desorption reagent

stages of desorption

desorption temperature and recycle desorption. MKF-D30X resin had good adsorption effect on succinic acid. And the maximum adsorption capacity could be up to 425 mg succinic acid·(g dry resin)-1. The desorption process for 3 g resin with saturated succinic acid was divided into two stages at 50℃ of each stage of 10 ml

1.0 mol·L-1 HCl as desorption reagent. In the first stage

the concentration of succinic acid in desorption solution could be up to 52.4 mg·ml-1

and the concentration of succinic acid increased to 209.6% of original concentration (original concentration of 25 mg·ml-1). Recycle desorption not only maintained high concentration of succinic acid in the first stage of desorption

but also obtained twice concentration in the second stage. On the other hand

the concentration of succinic acid in the first desorption stage

as desorption reagent

had no obvious effect on desorption of succinic acid in next stage.

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