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WO1997049485B1 - Procedes et dispositifs permettant d'oxyder un hydrocarbure pour former un acide - Google Patents

Procedes et dispositifs permettant d'oxyder un hydrocarbure pour former un acide

Info

Publication number
WO1997049485B1
WO1997049485B1 PCT/US1997/010830 US9710830W WO9749485B1 WO 1997049485 B1 WO1997049485 B1 WO 1997049485B1 US 9710830 W US9710830 W US 9710830W WO 9749485 B1 WO9749485 B1 WO 9749485B1
Authority
WO
WIPO (PCT)
Prior art keywords
acid
hydrocarbon
catalyst
methods
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1997/010830
Other languages
English (en)
Other versions
WO1997049485A1 (fr
Filing date
Publication date
Priority claimed from US08/812,847 external-priority patent/US6288270B1/en
Priority claimed from US08/824,992 external-priority patent/US5922908A/en
Priority claimed from US08/876,692 external-priority patent/US6337051B1/en
Priority to JP50341998A priority Critical patent/JP2002515041A/ja
Priority to AU34076/97A priority patent/AU3407697A/en
Application filed filed Critical
Priority to BR9710856A priority patent/BR9710856A/pt
Priority to EP97930185A priority patent/EP0910466A1/fr
Priority to US08/989,910 priority patent/US6359173B1/en
Publication of WO1997049485A1 publication Critical patent/WO1997049485A1/fr
Publication of WO1997049485B1 publication Critical patent/WO1997049485B1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Abstract

La présente invention concerne des procédés et des dispositifs permettant de réguler la transformation d'un hydrocarbure en acide en procédant à des ajustements de phase. Afin d'améliorer la vitesse de réaction et la réactivité de l'oxydation, on parvient à une phase unique à la température opératoire, phase que l'on maintient en ajustant la vitesse d'écoulement de l'oxydant gazeux et/ou la pression de la zone de réaction, la température de la zone de réaction, la vitesse d'alimentation en hydrocarbure, la vitesse d'alimentation en solvant, la vitesse d'alimentation en eau s'il y en a, la vitesse d'alimentation en catalyseur et d'autres paramètres. On décrit également des procédés et des dispositifs dans lesquels on met à réagir un hydrocarbure à l'état stable avec un oxydant gazeux pour former un acide dans un mélange liquide. La quantité d'eau est maintenue entre un niveau d'eau maximal, au-dessus duquel la phase liquide sensiblement unique se transforme en deux phases liquides, et un niveau d'eau minimal, en-dessous duquel le catalyseur se précipite. On décrit en outre des procédés selon lesquels on abaisse la température du mélange à un niveau auquel le diacide solide est précipité, tout en conservant une seule phase liquide et, facultativement, tout le catalyseur dans la solution. On enlève ensuite au moins une partie de l'acide formé. L'hydrocarbure préféré est le cyclohexane, l'acide préféré est l'acide adipique, le solvant préféré est l'acide acétique et la catalyseur préféré est le tétrahydrate d'acétate de cobalt (II).
PCT/US1997/010830 1996-06-24 1997-06-23 Procedes et dispositifs permettant d'oxyder un hydrocarbure pour former un acide Ceased WO1997049485A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP97930185A EP0910466A1 (fr) 1996-06-24 1997-06-23 Procedes et dispositifs permettant d'oxyder un hydrocarbure pour former un acide
BR9710856A BR9710856A (pt) 1996-06-24 1997-06-23 M-todo e dispositivos para oxida-Æo de um hidrocarbono para formar um cido
JP50341998A JP2002515041A (ja) 1996-06-24 1997-06-23 炭化水素を酸化して酸を形成させる方法およびデバイス
AU34076/97A AU3407697A (en) 1996-06-24 1997-06-23 Methods and devices for oxidizing a hydrocarbon to form an acid
US08/989,910 US6359173B1 (en) 1996-06-24 1997-12-12 Methods and devices for oxidizing a hydrocarbon to form an acid

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US2079896P 1996-06-24 1996-06-24
US08/812,847 US6288270B1 (en) 1996-06-24 1997-03-06 Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments
US08/824,992 US5922908A (en) 1996-06-24 1997-03-27 Methods for preparing dibasic acids
US08/824,992 1997-06-16
US08/876,692 1997-06-16
US08/876,692 US6337051B1 (en) 1996-06-24 1997-06-16 Device for detecting formation of a second liquid phase
US60/020,798 1997-06-16
US08/812,847 1997-06-16

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US08/876,692 Continuation-In-Part US6337051B1 (en) 1996-06-24 1997-06-16 Device for detecting formation of a second liquid phase

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US08/989,910 Continuation-In-Part US6359173B1 (en) 1996-06-24 1997-12-12 Methods and devices for oxidizing a hydrocarbon to form an acid

Publications (2)

Publication Number Publication Date
WO1997049485A1 WO1997049485A1 (fr) 1997-12-31
WO1997049485B1 true WO1997049485B1 (fr) 1998-02-19

Family

ID=27486952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/010830 Ceased WO1997049485A1 (fr) 1996-06-24 1997-06-23 Procedes et dispositifs permettant d'oxyder un hydrocarbure pour former un acide

Country Status (9)

Country Link
US (2) US6337051B1 (fr)
EP (1) EP0910466A1 (fr)
JP (1) JP2002515041A (fr)
KR (1) KR20000022519A (fr)
CN (1) CN1226185A (fr)
AU (1) AU3407697A (fr)
BR (1) BR9710856A (fr)
CA (1) CA2258015A1 (fr)
WO (1) WO1997049485A1 (fr)

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US9038451B2 (en) * 2010-07-08 2015-05-26 Baker Hughes Incorporated Optical method for determining fouling of crude and heavy fuels
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