Membrane Journal (멤브레인)

The Membrane Society of Korea (한국막학회)
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Application of Pervaporation Membrane Process in Petrochemical Industry

석유화학공업에서의 투과증발막의 응용

  • Nam, Sang-Yong (Department of Polymer Science and Engineering, Engineering Research Institute, i-Cube Center, Gyeongsang National University)
  • 남상용 (경상대학과 고분자공학과, 공학연구원, i-큐브 소재.부품 인력양성사업단)
  • Published : 2007.03.30
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Abstract

Pervaporation process using membrane is newly emerging energy saying and cost effect process instead of distillation process. Especially, in pertrochemical industry, pervaporation process is a strong candidate to substitute the conventional energy consuming processes because that petrochemical industry has much energy consuming separation processes, many azeotrope mixtures to separate and needs to compact space to install new process units. Aromatic/aliphatic separation including benzene/cyclohexane mixture, olefin/paraffin separation, xylene isomer separation, reactive monomer recovery and sulfur compound removal from gasoline have been inversitigated for the application of pervaporation membrane process by many researchers and are under commercializing.

분리막을 이용한 투과증발공정은 에너지 소모가 적고 설치비와 운영비면에서 우수한 효과를 볼 수 있기 때문에 증류공정을 대신할 수 있는 공정으로 주목받고 있다. 특히 석유화학공정은 공정 중에 에너지 소모가 크고, 많은 화합물들이 공비혼합물을 이루고, 새로운 공정을 설치하기 위해서는 작은 공간을 필요로 하기 때문에 투과증발공정은 증류공정을 대체할 수 있는 매우 유력한 후보이다. 벤젠/시클로헥산을 포함하는 방향족 화합물의 분리, 올레핀/파라핀 분리, 자일렌 이성질체의 분리, 반응성 단량체의 회수, 가솔린으로부터 황 화합물의 제거 등에 투과증발공정을 응용하는 많은 연구가 이루어졌으며, 상용화가 되고 있다.

Keywords

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