Industrial Synthesis for α-Sulfonation of Fatty Acid Methyl Ester

알파술폰화 고급지방산 메틸 에스테르의 공업적 합성

  • Kim, Jin-Hyun (Dept. of Ind. and Eng. Chem., College of Eng., Chungbuk Nat'l Univ.) ;
  • Choi, Seung-Ok (Dept. of Ind. and Eng. Chem., College of Eng., Chungbuk Nat'l Univ.) ;
  • Yun, Young-Kyun (Dept. of Ind. and Eng. Chem., College of Eng., Chungbuk Nat'l Univ.) ;
  • Nam, Ki-Dae (Dept. of Ind. and Eng. Chem., College of Eng., Chungbuk Nat'l Univ.)
  • 김진현 (충북대학교 공과대학 공업화학과) ;
  • 최성옥 (충북대학교 공과대학 공업화학과) ;
  • 윤영균 (충북대학교 공과대학 공업화학과) ;
  • 남기대 (충북대학교 공과대학 공업화학과)
  • Received : 1998.03.30
  • Accepted : 1998.05.28
  • Published : 1998.08.10

Abstract

${\alpha}$-sulfonated fatty acid methyl esters[$C_mH_{2m+1}CH(SO_3Na)COOC_nH_{2n+1}$], where hydrophobic group has carbon number of 12~18, were prepard by sulfonation of fatty acid methylester. The mole ratio of $SO_3$ to ester used was 1.3 and the reaction temperature was $70{\sim}90^{\circ}C$. The yield was found to be 97% by mixed gas reaction of inactive gas/gaseous $SO_3$. Studies on bleaching and neutralization processes in the pilot scale provided conditions applicable to industrial synthesis process.

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