KR100868454B1 - 고정층 촉매 부분산화 반응기에서 고효율의 불포화산의제조방법 - Google Patents
고정층 촉매 부분산화 반응기에서 고효율의 불포화산의제조방법 Download PDFInfo
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Abstract
Description
Claims (15)
- 삭제
- 쉘-앤드-튜브 열교환식 반응기에서 고정층 촉매 부분 산화반응에 의하여 불포화 알데히드 또는 알칸으로부터 불포화 산을 제조하는 방법에 있어서, 불포화산을 생산하는 반응영역을 차폐판에 의해 2 이상의 쉘공간으로 구획하여 독립적으로 제열하고, 상기 2 이상의 쉘공간을 순차적으로 제1쉘공간, 제2쉘공간, .., 제n쉘공간으로 지칭할 때, 상기 제1쉘공간의 열전달매체의 온도는 제1쉘공간에 대응되는 반응관 내 충진된 촉매층의 최저활성온도 내지 (최저활성온도 + 20℃) 범위 내이고, 상기 제1쉘공간에서 하기 수학식 2에 의해 정의되는 길이당 불포화 알데히드 전환기여율의 값이 1.2 내지 2.5 가 되도록 조절하되,불포화 알데히드로부터 불포화 산을 제조하는 경우, 차폐판에 의해 구획된 제2쉘공간 내지 제n쉘공간은, 각 쉘 공간에 순환하는 열전달 매체의 설정온도가 축방향으로 증가하도록 조절하고,알칸으로부터 불포화 산을 제조하는 경우, 차폐판에 의해 구획된 제1쉘공간, 제2쉘공간, .., 제n쉘공간은 각 쉘공간에 순환하는 열전달 매체의 설정온도가 축방향으로 증가하도록 조절하는 것이 특징인 제조 방법.[수학식 2]길이당 불포화 알데히드 또는 알칸 전환기여율 = (해당 촉매층 구간에서 반응한 불포화 알데히드 또는 알칸의 몰수/각 반응영역에 공급된 총 불포화 알데히드 또는 알칸의 몰수) /해당 촉매층 구간이 각 반응영역 전체 촉매층 중에서 차지하는 부피비
- 삭제
- 제2항에 있어서, (메타)아크롤레인, 프로판 또는 이소부탄으로부터 (메타)아크릴산을 제조하는 방법인 것이 특징인 제조 방법.
- 제2항에 있어서, 제1쉘공간과 제2쉘공간을 구획하는 차폐판은 제1쉘공간이 각 반응영역의 도입부에서 발생하는 온도피크를 포함하도록 설치하는 것이 특징인 제조 방법.
- 제5항에 있어서, 제1쉘공간과 제2쉘공간을 구획하는 차폐판 위치 범위는 각 단계 축방향 길이의 25% 내지 50%인 것이 특징인 제조 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 제2항에 있어서, 불포화 알데히드로부터 불포화 산을 제조하는 경우, Th1-Tsalt1 ≤ 130℃ 이고, ThN-TsaltN ≤ 110℃ 인 것이 특징인 제조 방법. (여기서, N은 2이상의 정수이고, 여기서, Th1은 제1쉘공간에 해당하는 촉매층에서의 반응혼합물의 최고온도이며, ThN은 제n쉘공간에 해당하는 촉매층에서의 반응혼합물의 최고온도이고, Tsalt1은 제1쉘공간에 채워진 열전달 매체의 온도이며, TsaltN은 제n쉘공간에 채워진 열전달 매체의 온도임).
- 제2항에 있어서, 알칸으로부터 불포화 산을 제조하는 경우, Th1-Tsalt1 ≤ 150℃ 이고, ThN-TsaltN ≤ 120℃ 인 것이 특징인 제조 방법. (여기서, N은 2이상의 정수이고, 여기서, Th1은 제1쉘공간에 해당하는 촉매층에서의 반응혼합물의 최고온도이며, ThN은 제n쉘공간에 해당하는 촉매층에서의 반응혼합물의 최고온도이고, Tsalt1은 제1쉘공간에 채워진 열전달 매체의 온도이며, TsaltN은 제n쉘공간에 채워진 열전달 매체의 온도임).
- 제2항에 있어서, 차폐판이 설치되는 위치에 해당하는 접촉관 내부의 위치에 비활성 물질 단독 또는 비활성 물질과 촉매의 혼합물로 구성된 반응 억제층을 구비하는 것이 특징인 제조 방법.
- 삭제
- 삭제
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KR100868454B1 (ko) * | 2005-07-08 | 2008-11-11 | 주식회사 엘지화학 | 고정층 촉매 부분산화 반응기에서 고효율의 불포화산의제조방법 |
JP5130562B2 (ja) * | 2007-11-06 | 2013-01-30 | 日本化薬株式会社 | メタクロレイン及び/又はメタクリル酸の製造方法 |
JP5507111B2 (ja) * | 2008-05-30 | 2014-05-28 | ローム アンド ハース カンパニー | 水性(メタ)アクリル酸の製造方法 |
DE102009047291A1 (de) | 2009-11-30 | 2010-09-23 | Basf Se | Verfahren zur Herstellung von (Meth)acrolein durch heterogen katalysierte Gasphasen-Partialoxidation |
US9440903B2 (en) | 2012-09-24 | 2016-09-13 | Arkema Inc. | Shell and tube oxidation reactor with improved resistance to fouling |
EP4092010A4 (en) * | 2020-01-14 | 2024-02-14 | Nippon Shokubai Co., Ltd. | ACRYLIC ACID PRODUCTION PROCESS |
CN113617311A (zh) * | 2021-09-10 | 2021-11-09 | 中国科学院电工研究所 | 一种电热催化反应器 |
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WO2007007979A1 (en) | 2007-01-18 |
EP1904429A4 (en) | 2009-02-18 |
EP1904429B1 (en) | 2013-06-12 |
JP2009500400A (ja) | 2009-01-08 |
US20070073084A1 (en) | 2007-03-29 |
CN101213163B (zh) | 2011-09-14 |
CN101213163A (zh) | 2008-07-02 |
US7608734B2 (en) | 2009-10-27 |
TWI298717B (en) | 2008-07-11 |
US20100015017A1 (en) | 2010-01-21 |
TW200712046A (en) | 2007-04-01 |
KR20070006589A (ko) | 2007-01-11 |
EP1904429A1 (en) | 2008-04-02 |
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