RU2010121143A - METHOD FOR PRODUCING AROMATIC CARBONIC ACID - Google Patents
METHOD FOR PRODUCING AROMATIC CARBONIC ACID Download PDFInfo
- Publication number
- RU2010121143A RU2010121143A RU2010121143/04A RU2010121143A RU2010121143A RU 2010121143 A RU2010121143 A RU 2010121143A RU 2010121143/04 A RU2010121143/04 A RU 2010121143/04A RU 2010121143 A RU2010121143 A RU 2010121143A RU 2010121143 A RU2010121143 A RU 2010121143A
- Authority
- RU
- Russia
- Prior art keywords
- carboxylic acid
- aromatic carboxylic
- combustion
- acid according
- producing
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
1. Способ получения ароматической карбоновой кислоты, включающий: окислительную стадию окисления алкилароматического соединения в присутствии соединения брома для получения ароматической карбоновой кислоты; и стадию сжигания отходящего газа, образующегося на стадии окисления, в установке для сжигания, ! где после сжигания отходящего газа при температуре горения от 450 до 1000°С газ после сжигания охлаждают до 250°С или ниже, и время охлаждения от 450 до 250°С в процессе охлаждения не превышает 1 сек. ! 2. Способ получения ароматической карбоновой кислоты по п.1, где время охлаждения от температуры горения до 250°С не превышает 1 сек. ! 3. Способ получения ароматической карбоновой кислоты по п.1 или 2, где газ после сжигания охлаждают теплоаккумулирующим материалом. ! 4. Способ получения ароматической карбоновой кислоты по п.1 или 2, где сжигание проводят в отсутствие катализатора горения. ! 5. Способ получения ароматической карбоновой кислоты по п.1 или 2, где установка для сжигания представляет собой регенеративную термическую окислительную установку. ! 6. Способ получения ароматической карбоновой кислоты по п.1 или 2, где концентрация бромосодержащих диоксинов в газе после охлаждения составляет не более 1 нг-ТЭК/м3 в единицах токсического эквивалента. ! 7. Способ получения ароматической карбоновой кислоты по п.1 или 2, где проводят стадию окисления в растворителе на основе алифатической карбоновой кислоты, и данный способ включает в себя стадию разделения твердого вещества и жидкости, на которой суспензию, содержащую ароматическую карбоновую кислоту, полученную на стадии окисления, и растворитель разделяют на твердое вещес 1. A method of producing an aromatic carboxylic acid, comprising: an oxidizing step of oxidizing an alkyl aromatic compound in the presence of a bromine compound to produce an aromatic carboxylic acid; and a stage for burning off-gas generated in the oxidation stage in the combustion unit,! where after combustion of the exhaust gas at a combustion temperature of from 450 to 1000 ° C, the gas after combustion is cooled to 250 ° C or lower, and the cooling time from 450 to 250 ° C during cooling does not exceed 1 second. ! 2. The method of producing aromatic carboxylic acid according to claim 1, where the cooling time from the combustion temperature to 250 ° C does not exceed 1 second. ! 3. The method of producing aromatic carboxylic acid according to claim 1 or 2, where the gas after combustion is cooled by heat-accumulating material. ! 4. The method of producing aromatic carboxylic acid according to claim 1 or 2, where the combustion is carried out in the absence of a combustion catalyst. ! 5. The method of producing aromatic carboxylic acid according to claim 1 or 2, where the installation for combustion is a regenerative thermal oxidative installation. ! 6. The method for producing aromatic carboxylic acid according to claim 1 or 2, wherein the concentration of bromine-containing dioxins in the gas after cooling is not more than 1 ng-TEK / m3 in units of toxic equivalent. ! 7. The method of producing aromatic carboxylic acid according to claim 1 or 2, where the stage of oxidation in a solvent based on an aliphatic carboxylic acid is carried out, and this method includes the step of separating a solid and a liquid, in which a suspension containing aromatic carboxylic acid obtained on oxidation steps and the solvent is separated into a solid
Claims (11)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-278939 | 2007-10-26 | ||
JP2007278940 | 2007-10-26 | ||
JP2007278939 | 2007-10-26 | ||
JP2007-278940 | 2007-10-26 | ||
PCT/JP2008/069168 WO2009054424A1 (en) | 2007-10-26 | 2008-10-22 | Process for producing aromatic carboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2010121143A true RU2010121143A (en) | 2011-12-10 |
RU2467998C2 RU2467998C2 (en) | 2012-11-27 |
Family
ID=40579528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2010121143/04A RU2467998C2 (en) | 2007-10-26 | 2008-10-22 | Method of producing aromatic carboxylic acid |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2009120586A (en) |
CN (1) | CN101821225B (en) |
BR (1) | BRPI0817817A2 (en) |
RU (1) | RU2467998C2 (en) |
WO (1) | WO2009054424A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7418964B2 (en) * | 2019-03-28 | 2024-01-22 | 三井化学株式会社 | Method for producing terephthalic acid |
CN110425552B (en) * | 2019-08-26 | 2024-03-15 | 武汉环投环境科技有限公司 | Device for burning low-concentration biogas by explosion-proof entering torch and burning deodorization method thereof |
CN112142577B (en) * | 2020-09-23 | 2022-04-29 | 浙江工业大学 | Metal-free catalytic oxidation system, oxygen oxidation method and production method applied to benzoic acid derivative |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5371283A (en) * | 1993-12-22 | 1994-12-06 | Praxair Technology, Inc. | Terephthalic acid production |
US5961942A (en) * | 1995-06-05 | 1999-10-05 | E. I. Du Pont De Nemours And Company | Effluent gas treatment |
CN1163693C (en) * | 1995-06-05 | 2004-08-25 | 纳幕尔杜邦公司 | Effluent gas treatment |
JP2000189753A (en) * | 1998-12-24 | 2000-07-11 | Mitsui Chemicals Inc | Treatment of waste gas from oxidation reaction |
JP2002333123A (en) * | 2001-05-08 | 2002-11-22 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment device of combustion apparatus |
JP2003014219A (en) * | 2001-06-28 | 2003-01-15 | Daiki Aluminium Industry Co Ltd | Method and apparatus for removing dioxins in exhaust gas |
JP2004257606A (en) * | 2003-02-25 | 2004-09-16 | Toray Ind Inc | Processing method for reactive flue gas |
RU2254324C2 (en) * | 2003-07-08 | 2005-06-20 | Общество с ограниченной ответственностью "Научно-исследовательский и производственный центр "ВНИПИМ-ТОС" | Continuous method for preparing highly pure terephthalic acid |
JP2007032999A (en) * | 2005-07-29 | 2007-02-08 | Kuniya Hayashi | Incineration system |
-
2008
- 2008-10-08 JP JP2008262113A patent/JP2009120586A/en active Pending
- 2008-10-22 WO PCT/JP2008/069168 patent/WO2009054424A1/en active Application Filing
- 2008-10-22 BR BRPI0817817 patent/BRPI0817817A2/en not_active IP Right Cessation
- 2008-10-22 CN CN200880111411.0A patent/CN101821225B/en active Active
- 2008-10-22 RU RU2010121143/04A patent/RU2467998C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2009054424A1 (en) | 2009-04-30 |
CN101821225A (en) | 2010-09-01 |
CN101821225B (en) | 2014-01-15 |
BRPI0817817A2 (en) | 2015-03-31 |
RU2467998C2 (en) | 2012-11-27 |
JP2009120586A (en) | 2009-06-04 |
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PD4A | Correction of name of patent owner | ||
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20171023 |