Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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A Study of the Influence of Pretreatment of Animal Fat Recovered from Fleshing Scrap on the Eliminating FFA and Fatty Acid Composition

플레싱 스크랩으로부터 회수된 동물성 유지의 전처리 방법이 유리지방산 제거 및 지방산 조성에 미치는 영향

  • 신수범 (한국신발 피혁연구소 피혁연구센터) ;
  • 민병욱 (한국신발 피혁연구소 피혁연구센터) ;
  • 양승훈 (한국신발 피혁연구소 피혁연구센터) ;
  • 박민석 (한국신발 피혁연구소 피혁연구센터) ;
  • 김해성 (명지대학교 화학공학과) ;
  • 백두현 (충남대학교 섬유공학과)
  • Published : 2008.03.31
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Abstract

Pretreatment of eliminating FFA is needed to make biodiesel from animal fat recovered from leather wastes because its acid value is high. This study was carried out to investigate the influence of 4 different pretreatment methods, which are heterogeneous catalyst method, ion exchange resin method, low pressure.high temperature method, and alkali method on the eliminating FFA and fatty acid composition. The results showed that the rate of eliminating FFA increased in the order of alkali method > catalyst method > low pressure high temperature method > ion exchange method. In the case of pretreatment of alkali method using NaOH, the rate of eliminating FFA appeared more than 86% regardless of acid value. Therefore, it was considered that alkali method using NaOH was the most effective in the view of economical and productive aspects, taking it into account that the acid value of animal fat recovered from fleshing scrap generated during leather making processes was 7 to 8.

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References

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