Effect of Pretreatment of Activated Carbon on Iron Oxide-Loaded Catalysts to Significantly Enhance Production of Sebacic Acid from Castor Oil

被引:1
|
作者
Zhang, Qingyun [1 ,2 ]
Wang, Zhulin [1 ]
Qin, Zhichao [3 ]
Li, Binglin [1 ]
Guo, Zisheng [3 ]
机构
[1] Northwest Univ, Coll Food Sci & Engn, Xian 710069, Peoples R China
[2] Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Peoples R China
[3] Northwest Univ, Coll Life Sci, Key Lab Resources Biol & Biotechnol Western China, Minist Educ, Xian 710069, Peoples R China
来源
MOLECULES | 2024年 / 29卷 / 18期
基金
中国国家自然科学基金;
关键词
sebacic acid; Fe2O3; activated carbon; pretreatment; high yield;
D O I
10.3390/molecules29184504
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
This study explores the efficient conversion of castor oil to sebacic acid utilizing iron oxide (Fe2O3) loaded on activated carbons as catalysts. Through a combination of saponification, acidification, and catalytic cracking, sebacic acid was produced with a notable yield improvement. The process involved using liquid paraffin as a thinning agent, overcoming the limitations of traditional toxic agents. The catalysts were prepared via adsorption-precipitation-calcination methods, with ultrasonication pretreatment to enhance iron adsorption on activated carbons. The chemical composition, structure, and morphology properties were investigated by different characterizations; such as scanning electron microscopy (SEM), thermogravimetric analysis (TG/DTG). Systematic investigations into the adsorption capacity, catalytic activity, and operational parameters like temperature, reaction time, and catalyst recycling were conducted. The optimized method achieved a sebacic acid yield of 83.4%, significantly higher than traditional methods (60.2%), with improved safety and environmental impact. The study provides valuable insights into sustainable and efficient sebacic acid production which is crucial for industrial applications in processing of castor oil.
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页数:14
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