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Issue
HWAHAK KONGHAK,
Vol.41, No.5, 549-557, 2003
촉매-크래킹에 의한 나프타로부터 경질 올레핀 제조기술
Catalytic Cracking of Naphtha into Light Olefins
박용기, 전종열, 한상윤, 김정리, 이철위
세계적으로 에틸렌 생산공장에서 배출되는 이산화탄소의 양은 매년 141백만 톤에 이르며, 석유화학산업에서 소비되는 전체 에너지 중 약 40%는 나프타 스팀크래킹에 사용된다. 이로인한 지구 온난화를 막기 위하여 에너지 효율 증대를 통하여 이산화탄소 배출양을 최소화할 수 있는 나프타 크래킹 기술개발이 시급하다. 또한 천연가스로부터 얻어지는 에틸렌의 양이 점점 증가하기 때문에 프로필렌/에틸렌 비를 증대하기 위한 연구가 필요한 실정이다. 그러므로 에틸렌과 프로필렌 수요를 맞추기 위한 thermal cracking의 대안으로 촉매를 이용한 크래킹기술이 시도되고 있다. 본 논문에서는 나트파로부터 에틸렌, 프로필렌 등과 같은 경질 올레핀 제조에 관하여 지난 수 년간 공개된 특허와 실용화 가능한 공정 기술을 소개하고자 한다.
In the whole world, the amount of CO2 emission from the ethylene plant is about 141 million tons per year, and currently about 40% of the energy in petrochemical industry is used for steam cracking of naphtha. So, global warming issues have stimulated the development of new cracking process of naphtha which can minimize CO2 emission through the increase of energy efficiency. Also there is an effort to increase the ratio of propylene/ethylene in naphtha cracking since the natural gas cracker which can produce ethylene preferentially increases more and more. Therefore, catalytic cracking of naphtha has been studied as an alternative of thermal cracking to balance ethylene and propylene demand and to reduce CO2 emission. This paper will review the various routes which have been investigated and applied over the past years, but will focus particularly on the recently patented and commercially demonstrated processes for the production of lower olefins from naphtha.
Keywords: Cracking; Naphtha; Catalyst; CO2; Light Olefins
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[Cited By]
  1. Jung JS, Kim TJ, Seo G, Korean Journal of Chemical Engineering, 21(4), 777, 2004
  2. Son SJ, Choi DK, Kim HS, Kim SH, Kim SW, Hwang WS, Korean Chemical Engineering Research, 42(4), 420, 2004
  3. Jung JS, Choi DB, Song KK, Ha K, Song Y, Seo G, Korean Chemical Engineering Research, 43(4), 452, 2005
  4. Kang M, Lee HI, Yoon DY, Ko CH, Kim JN, Kim JM, Korean Chemical Engineering Research, 44(4), 393, 2006
  5. Choi HW, Kim DB, Kim HS, Lee CH, Choi DK, Clean Technology, 10(3), 169, 2004
  6. Kim JY, Lee H, Kim HS, Kung HW, Chio DK, Clean Technology, 13(1), 79, 2007
  7. Lee JI, Jang SC, Choi DY, Bang JH, Kim HS, Choi DK, Korean Chemical Engineering Research, 46(1), 164, 2008
  8. Lee HJ, Shin CH, Choi WC, Lee CW, Park YK, Korean Chemical Engineering Research, 46(2), 291, 2008
  9. Song KW, Seo G, Shin CH, Korean Chemical Engineering Research, 49(5), 521, 2011
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