SCI和EI收录∣中国化工学会会刊

›› 2015, Vol. 23 ›› Issue (2): 379-383.DOI: 10.1016/j.cjche.2014.11.002

• SEPARATION SCIENCE AND ENGINEERING • Previous Articles     Next Articles

Amethod to refine crude cottonseed oil using non-toxic polyamine-based cationic polymers

Hailin Lin1, Tom C. Wedegaertner2, Xiaoyun Mao3, Xudong Jing1, Aicardo Roa-Espinosa4,5   

  1. 1 Department of Chemistry & Chemical Engineering, Zhongkai University of Agriculture and Technology, Guangzhou 510225, China;
    2 Cottonseed Research & Marketing Agricultural Research, NC 27513, USA;
    3 College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China;
    4 Soil Net LLC, Belleville, WI, 53508, USA;
    5 Biological Systems Engineering Department, University of Wisconsin-Madison, WI, 53706, USA
  • Received:2013-10-10 Revised:2014-04-28 Online:2015-03-01 Published:2015-02-28
  • Supported by:
    Supported by the research foundation by the U.S. Cotton Research and Promotion Program, U.S. Department of Agriculture and the Project of Combination of Industry, Education and Research of Ministry of Education of Guangdong Province, China (2011B090400358).

Amethod to refine crude cottonseed oil using non-toxic polyamine-based cationic polymers

Hailin Lin1, Tom C. Wedegaertner2, Xiaoyun Mao3, Xudong Jing1, Aicardo Roa-Espinosa4,5   

  1. 1 Department of Chemistry & Chemical Engineering, Zhongkai University of Agriculture and Technology, Guangzhou 510225, China;
    2 Cottonseed Research & Marketing Agricultural Research, NC 27513, USA;
    3 College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China;
    4 Soil Net LLC, Belleville, WI, 53508, USA;
    5 Biological Systems Engineering Department, University of Wisconsin-Madison, WI, 53706, USA
  • 通讯作者: Aicardo Roa-Espinosa
  • 基金资助:
    Supported by the research foundation by the U.S. Cotton Research and Promotion Program, U.S. Department of Agriculture and the Project of Combination of Industry, Education and Research of Ministry of Education of Guangdong Province, China (2011B090400358).

Abstract: The traditional method to refine crude cottonseed oil is time-consuming and expensive. This study evaluates the effectiveness of coagulation-flocculation-sedimentation process using quaternary polyamine-based polymers in refining crude cottonseed oil. Flocculated by four commercial polyamine-based cationic polymers (SL2700, SL3000, SL4500 and SL5000) with varied molecular weight (MW) and charge density (CD) and followed by coagulation with sodiumhydroxide, crude cottonseed oil can be effectively purified. Free fatty acids, gossypol, pigments and trace elements are all effectively and sufficiently removed by the four polymers in a MW- and CDdependentmanner. Our results suggest that the use of polyamine-based cationic polymers may offer an effective and feasible alternative to the traditional method for crude cottonseed oil refining.

Key words: Granulation, Precipitation, Purification, Cotton seed oil, Polymer, Gossypol

摘要: The traditional method to refine crude cottonseed oil is time-consuming and expensive. This study evaluates the effectiveness of coagulation-flocculation-sedimentation process using quaternary polyamine-based polymers in refining crude cottonseed oil. Flocculated by four commercial polyamine-based cationic polymers (SL2700, SL3000, SL4500 and SL5000) with varied molecular weight (MW) and charge density (CD) and followed by coagulation with sodiumhydroxide, crude cottonseed oil can be effectively purified. Free fatty acids, gossypol, pigments and trace elements are all effectively and sufficiently removed by the four polymers in a MW- and CDdependentmanner. Our results suggest that the use of polyamine-based cationic polymers may offer an effective and feasible alternative to the traditional method for crude cottonseed oil refining.

关键词: Granulation, Precipitation, Purification, Cotton seed oil, Polymer, Gossypol