Glucose-derived solid acids and their stability enhancement for upgrading biodiesel <i>via</i> esterification

Donglei Mao; Xingguang Zhang; Xiongfei Zhang; Mingmin Jia; Jianfeng Yao

doi:10.1016/j.cjche.2018.07.019

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Glucose-derived solid acids and their stability enhancement for upgrading biodiesel via esterification

Updated：2026-01-06

- Glucose-derived solid acids and their stability enhancement for upgrading biodiesel via esterification
- Chinese Journal of Chemical Engineering Vol. 27, Issue 5, Pages: 1067-1072(2019)
- Affiliations：
  
  College of Chemical Engineering, Jiangsu Key Lab for the Chemistry & Utilization of Agricultural and Forest Biomass, Nanjing Forestry University,Nanjing,China,210037
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.07.019
  CLC：
- Published：2019
- Accepted：
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esterification[J]. 中国化学工程学报, 2019, 27(5): 1067-1072.
DOI：

esterification[J]. 中国化学工程学报, 2019, 27(5): 1067-1072. DOI： 10.1016/j.cjche.2018.07.019.

摘要

Abstract

Utilization of biomass-derived materials or chemicals plays a significant role in reducing the dependence of unsustainable resources of petroleum and coal. A series of sulfonated glucose-derived solid acids (SGSAs) were developed in this study through a one-step method. These catalysts were characterized by XRD

FT-IR

SEM

and BET to determine their physiochemical properties

and their acid content was measured by acid-base titration. The catalytic performances of SGSA catalysts were evaluated in two esterification reactions:propionic acid or oleic acid with methanol (a typical reaction to upgrade biodiesel). Conversion of oleic acid and selectivity of methyl oleate can reach as high as 93.3% and 94.7% respectively over SGSA-6

which has the highest—SO

H density. Moreover

regeneration of spent catalysts by sulfuric acid solution can significantly enhance their stability and reusability.

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Glucose-derived solid acids and their stability enhancement for upgrading biodiesel via esterification

DOI：10.1016/j.cjche.2018.07.019

摘要

Abstract

关键词

Keywords

references