Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Synthesis of Succinic Acid from Hydrogenation of Maleic Anhydride

무수말레인산의 수소화 반응에 의한 호박산 합성

  • Kim, Ji Sun (Green Technology Center, Korea Institute of Industrial Technology (KITECH)) ;
  • Baek, Jae Ho (Green Technology Center, Korea Institute of Industrial Technology (KITECH)) ;
  • Kim, Myung Hwan (Green Technology Center, Korea Institute of Industrial Technology (KITECH)) ;
  • Hong, Seong-Soo (Department of Chemical Engineering, Pukyong National University) ;
  • Lee, Man Sig (Green Technology Center, Korea Institute of Industrial Technology (KITECH))
  • 김지선 (한국생산기술연구원 친환경청정기술센터) ;
  • 백재호 (한국생산기술연구원 친환경청정기술센터) ;
  • 김명환 (한국생산기술연구원 친환경청정기술센터) ;
  • 홍성수 (부경대학교 화학공학과) ;
  • 이만식 (한국생산기술연구원 친환경청정기술센터)
  • Received : 2013.08.14
  • Accepted : 2013.10.01
  • Published : 2013.12.10
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Abstract

In this study, the synthesis of succinic acid from hydrogenation of maleic anhydride over Pd/C were performed in aqueous solution at various reaction conditions. We confirmed that the distribution of product was different according to process parameters. When increasing the reaction pressure and agitation speed, the by-product decreased and the purity of succinic acid increased. From the result, we may conclude that the reaction pressure and agitation speed are important factors for promoting the mass transfer rate of gas-liquid interface by increasing gas-liquid solubility in liquid hydrogenation. When the reaction pressure increased from 5 bar to 10 bar, the reaction rate increased 2.14 times. When the agitation speed increased from 300 rpm to 700 rpm, the reaction rate increased 2.75 times.

본 연구에서는 Pd/C 촉매를 이용하여 무수말레인산(maleic anhydride) 수용액상에서 수소화 반응을 통해 호박산(succinic acid) 합성을 진행하였으며, 그에 따른 최적 공정 조건을 도출하고자 하였다. 반응 온도 및 반응시간에 따른 호박산 순도의 차이는 크지 않았으나 압력과 교반속도가 증가함에 따라 불순물의 생성이 줄고, 호박산의 순도가 증가함을 확인하였다. 실험 결과 본 수소화 반응에서는 압력과 교반속도가 기체-액체 간 물질전달저항을 감소시켜 반응속도를 증가시킬 수 있는 가장 중요한 변수임을 확인하였으며 이에 따라 압력과 교반속도에 대한 반응속도를 구하였다. 반응압력이 5 bar에서 10 bar로 2배 증가 시, 반응속도는 2.14배 증가하였으며 교반속도가 300 rpm에서 700 rpm으로 2배 증가 시, 반응속도는 2.36배 증가함을 확인할 수 있었다.

Keywords

References

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