KR102150777B1 - 사이드드로 제 2 반응기를 갖는 산화 시스템 - Google Patents
사이드드로 제 2 반응기를 갖는 산화 시스템 Download PDFInfo
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- KR102150777B1 KR102150777B1 KR1020187016748A KR20187016748A KR102150777B1 KR 102150777 B1 KR102150777 B1 KR 102150777B1 KR 1020187016748 A KR1020187016748 A KR 1020187016748A KR 20187016748 A KR20187016748 A KR 20187016748A KR 102150777 B1 KR102150777 B1 KR 102150777B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1862—Stationary reactors having moving elements inside placed in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
Description
도 1은, 특히 공급물, 산화제 및 환류 스트림의 반응기로의 도입, 상기 반응기 내의 다중상 반응 매질의 존재, 및 상기 반응기의 상부 및 기저부로부터 기체 및 슬러리 각각의 회수를 도시하고 있는, 본 발명의 하나의 실시양태에 따라 구성된 산화 반응기의 측면도이다.
도 2는, 제 1 산화 반응기의 사이드드로(sidedraw)로부터 슬러리를 수용하는 외부 제 2 산화 반응기를 장착한 기포탑 반응기의 측면도이다.
도 3은, 특히 산화제 스트림의 적어도 일부를 반응기로 도입하는데 사용되는 상부 산화제 스파저의 위치 및 구성을 도시하는, 도 2의 3-3 라인을 따라 취한 사이드드로 반응기의 확대된 하부 단면도이다.
도 4는, 특히 반응 매질 중의 특정 구배를 정량화하기 위해 30개의 동일 부피의 수평 분층(slice)으로 이론적으로 분배된 반응 매질을 도시하는, 다중상 반응 매질을 함유하는 기포탑 반응기의 단면도이다.
도 5는, 특히 실질적으로 상이한 산소 농도 및/또는 산소 소모 속도를 갖는 반응 매질의 제 1 및 제 2 개별 20% 연속 부피를 도시하는, 다중상 반응 매질을 함유하는 기포탑 반응기의 단면도이다.
도 6은, 본 발명의 하나의 실시양태에 따라 PTA를 제조하는 공정의 단순화된 공정 흐름도이다.
Claims (13)
- 파라-자일렌을 포함하는 슬러리를 공기를 포함하는 기상 산화제와 접촉시킴으로써 테레프탈산을 제조하기 위한 시스템으로서,
제 1 슬러리 배출구를 포함하는 제 1 산화 반응기, 및
슬러리 주입구, 제 2 슬러리 배출구, 하부 산화제(oxidant) 주입구 및 상부 산화제 주입구를 포함하는 제 2 산화 반응기
를 포함하되,
상기 슬러리 주입구가 상기 제 1 슬러리 배출구와 하향 유체-흐름 연통(downstream fluid-flow communication)되고,
상기 제 2 산화 반응기가, 최대 수직 길이(Ls)를 갖는 제 2 반응 대역을 내부에 한정하고,
상기 슬러리 주입구가 상기 제 2 반응 대역의 기저부(bottom)로부터 0.55Ls 내지 0.6 Ls 범위의 거리만큼 이격된 중간-높이 슬러리 주입구이고,
상기 상부 산화제 주입구를 통해 도입되는 기상 산화제의 제 1 부분이 상기 제 2 반응 대역으로 도입되는 기상 산화제의 총 부피의 5 내지 35% 범위를 구성하며,
상기 하부 산화제 주입구가 상기 제 2 반응 대역의 기저부로부터 0.3Ls 미만만큼 이격되어 있고,
상기 상부 산화제 주입구가 상기 제 2 반응 대역의 기저부로부터 0.55Ls 이상만큼 이격되어 있고,
상기 제 1 산화 반응기가 기포탑(bubble column) 반응기이고, 상기 제 2 산화 반응기가 기포탑 반응기인, 시스템. - 제 1 항에 있어서,
상기 상부 산화제 주입구 및 상기 하부 산화제 주입구가 그들 사이에, 상기 기상 산화제를 상기 제 2 반응 대역으로 도입하기 위한 총 개방 영역을 한정하는, 시스템. - 제 1 항에 있어서,
상기 상부 산화제 주입구가 스파저(sparger)를 포함하고,
상기 스파저는 복수개의 산화제 배출 개구부들을 포함하는, 시스템. - 제 3 항에 있어서,
상기 산화제 배출 개구부들의 50% 이상이, 상기 기상 산화제를 하향 배출시키도록 배향되어 있는, 시스템 - 제 1 항에 있어서,
상기 상부 산화제 주입구가 상기 슬러리 주입구로부터 0.4Ls 미만만큼 이격되어 있는, 시스템. - 제 1 항에 있어서,
상기 제 2 산화 반응기가, 각각 독립적으로 상기 제 2 반응 대역의 기저부로부터 0.55Ls 이상만큼 이격된 2개 이상의 상부 산화제 주입구를 포함하는, 시스템. - 제 1 항에 있어서,
상기 제 2 반응 대역이 최대 수평 직경(Ds)을 갖고,
상기 반응 대역이 14:1 내지 28:1 범위의 Ls:Ds 비를 갖는, 시스템. - 제 1 항에 있어서,
상기 제 1 산화 반응기가, 최대 길이(Lp)를 갖는 제 1 반응 대역을 내부에 한정하고,
상기 제 1 슬러리 배출구가 상기 제 1 반응 대역의 상부 말단 및 기저부 말단 각각으로부터 0.1Lp 이상만큼 이격되어 있고,
상기 제 1 반응 대역 대 상기 제 2 반응 대역의 부피비가 4:1 내지 50:1 범위인, 시스템. - 제 8 항에 있어서,
상기 제 2 반응 대역이 최대 수평 직경(Ds)을 갖고,
상기 제 2 반응 대역이 14:1 내지 28:1 범위의 Ls:Ds 비를 갖는, 시스템. - (a) 파라-자일렌을 포함하는 산화가능한 화합물을 포함하는 제 1 다중상(multi-phase) 반응 매질을, 제 1 산화 반응기 내에 한정된 제 1 반응 대역 내에서 산화시켜 제 1 슬러리를 생성시키는 단계, 및
(b) 상기 제 1 슬러리의 적어도 일부를, 제 2 산화 반응기 내에 한정된 제 2 반응 대역 내에서 공기를 포함하는 기상 산화제와 접촉시켜 제 2 슬러리를 생성시키는 단계
를 포함하되,
상기 제 2 반응 대역이 최대 수직 길이(Ls)를 갖고,
상기 제 1 슬러리의 적어도 일부가 슬러리 주입구 영역에서 상기 제 2 산화 반응기로 도입되며, 상기 슬러리 주입구 영역은 상기 제 2 반응 대역의 기저부로부터 0.55Ls 내지 0.6 Ls 범위의 거리만큼 이격된 중간-높이 슬러리 주입구 영역이고,
상기 기상 산화제의 제 1 부분이, 상기 제 2 반응 대역의 기저부로부터 0.55Ls 이상만큼 이격된 제 1 산화제 주입구 영역에서 상기 제 2 반응 대역으로 도입되고,
상기 제 1 산화 반응기가 기포탑 반응기이고,
상기 제 2 산화 반응기가 기포탑 반응기이고,
상기 제 2 반응 대역이 제 2 산화제 주입구 영역을 포함하며,
상기 기상 산화제의 제 1 부분이, 상기 제 2 반응 대역으로 도입되는 상기 기상 산화제의 총 부피의 5 내지 35% 범위를 구성하고,
상기 기상 산화제의 제 2 부분이, 상기 제 2 반응 대역의 기저부로부터 0.3Ls 미만만큼 이격된 상기 제 2 산화제 주입구 영역에서 상기 제 2 반응 대역으로 도입되는,
테레프탈산 조성물의 제조 방법. - 제 10 항에 있어서,
상기 제 1 슬러리의 적어도 일부가 슬러리 주입구 영역에서 상기 제 2 산화 반응기로 도입되고,
상기 제 1 산화제 주입구 영역이 상기 슬러리 주입구 영역의 0.4Ls 이내에 존재하는, 방법. - 제 10 항에 있어서,
상기 기상 산화제의 적어도 일부 및 상기 제 1 슬러리의 적어도 일부를 상기 제 2 반응 대역에서 합쳐서 제 2 다중상 반응 매질을 형성하되,
상기 제 2 다중상 반응 매질의 전체 부피가 20개의 동일한 부피의 개별 수평 분층(discrete horizontal slice)으로 이론적으로 분배되는 경우, 2개의 인접한 수평 분층이 7 중량ppm(ppmw) 미만의 시간-평균 및 부피-평균 산소 함량 합계치를 갖지 않는, 방법. - 제 10 항에 있어서,
상기 제 1 슬러리 및 상기 제 2 슬러리가 각각 파라-톨루산을 액상으로 포함하고,
상기 제 2 슬러리가, 상기 제 1 슬러리 중의 액상 파라-톨루산의 시간-평균 및 부피-평균 농도의 50% 미만인 액상 파라-톨루산의 시간-평균 및 부피-평균 농도를 갖는, 방법.
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US12/957,739 US8790601B2 (en) | 2010-01-29 | 2010-12-01 | Oxidation system with sidedraw secondary reactor |
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