WO2017012246A1 - 一种乙酸甲酯的生产方法 - Google Patents
一种乙酸甲酯的生产方法 Download PDFInfo
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- WO2017012246A1 WO2017012246A1 PCT/CN2015/096653 CN2015096653W WO2017012246A1 WO 2017012246 A1 WO2017012246 A1 WO 2017012246A1 CN 2015096653 W CN2015096653 W CN 2015096653W WO 2017012246 A1 WO2017012246 A1 WO 2017012246A1
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- dimethyl ether
- catalyst
- carbon monoxide
- methyl acetate
- molecular sieve
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- C07C67/36—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates
- C07C67/37—Preparation of carboxylic acid esters by reaction with carbon monoxide or formates by reaction of ethers with carbon monoxide
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7019—EMT-type, e.g. EMC-2, ECR-30, CSZ-1, ZSM-3 or ZSM-20
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
- B01J29/7069—EMT-type, e.g. EMC-2, ECR-30, CSZ-1, ZSM-3 or ZSM-20
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/74—Noble metals
- B01J29/7438—EMT-type, e.g. EMC-2, ECR-30, CSZ-1, ZSM-3 or ZSM-20
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/7638—EMT-type, e.g. EMC-2, ECR-30, CSZ-1, ZSM-3 or ZSM-20
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
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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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
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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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/12—Acetic acid esters
- C07C69/14—Acetic acid esters of monohydroxylic compounds
Abstract
Description
反应时间(h) | 1 | 50 | 100 |
二甲醚转化率(%) | 35.7 | 23.8 | 9.8 |
乙酸甲酯选择性(%) | 99.8 | 78.2 | 25.3 |
催化剂 | 二甲醚转化率(%) | 乙酸甲酯选择性(%) |
1# | 7.5 | 95.3 |
2# | 17.5 | 95.3 |
3# | 23.5 | 97.7 |
4# | 24.5 | 96.3 |
5# | 27.5 | 91.6 |
6# | 31.5 | 91.6 |
7# | 24.5 | 91.6 |
8# | 25.3 | 91.6 |
9# | 24.2 | 91.6 |
10# | 26.8 | 91.6 |
11# | 17.5 | 98.3 |
12# | 15.5 | 97.3 |
13# | 14.2 | 97.3 |
反应器入口温度(℃) | 170 | 210 | 240 |
二甲醚转化率(%) | 15.7 | 46.0 | 87.8 |
乙酸甲酯选择性(%) | 97.8 | 94.5 | 90.4 |
反应压力(MPa) | 1 | 6 | 10 | 15 |
二甲醚转化率(%) | 18.3 | 29.3 | 41.8 | 52.3 |
乙酸甲酯选择性(%) | 98.7 | 99.1 | 99.4 | 99.8 |
二甲醚进料空速(h-1) | 0.25 | 1 | 2 |
二甲醚转化率(%) | 18.3 | 14.3 | 10.8 |
乙酸甲酯选择性(%) | 99.7 | 99.1 | 97.9 |
一氧化碳/二甲醚 | 12 | 8 | 4 | 2 |
二甲醚转化率(%) | 40.6 | 31.7 | 16.7 | 11.7 |
乙酸甲酯选择性(%) | 97.8 | 98.1 | 99.5 | 99.4 |
惰性气体体积含量 | CO体积含量 | 二甲醚转化率(%) | 乙酸甲酯选择性(%) |
1%(H2) | 99% | 33.5 | 96.8 |
48%(H2) | 52% | 13.9 | 97.8 |
1%(N2) | 99% | 33.5 | 96.5 |
48%(N2) | 52% | 12.6 | 95.2 |
20%(N2)+28%(H2) | 52% | 13.1 | 96.7 |
20%(CO2)+28%(H2) | 52% | 13.2 | 96.7 |
反应器类型 | 流化床 | 移动床 |
二甲醚转化率(%) | 95.2 | 94.5 |
乙酸甲酯选择性(%) | 98.7 | 98.5 |
反应温度(℃) | 50 | 60 | 70 |
乙酸甲酯转化率(%) | 55.7 | 72.1 | 89.0 |
Claims (10)
- 一种生产乙酸甲酯的方法,所述方法包括将二甲醚与含一氧化碳的原料气在载有作为催化剂的酸性EMT沸石分子筛的反应器中进行羰基化反应。
- 如权利要求1所述的方法,其特征在于,所述酸性EMT沸石分子筛的硅铝原子摩尔比为1.5~30;优选为2~15。
- 如权利要求1所述的方法,其特征在于,所述酸性EMT沸石分子筛还包含镓、铁、铜和银中的一种或几种作为助催化剂;优选地,所述助催化剂通过原位合成、金属离子交换或浸渍担载引入到所述酸性EMT沸石分子筛中;优选地,基于催化剂的总重量,所述助催化剂以金属单质计的含量为0.01~10.0wt%,更优选为0.05~1.0wt%。
- 如权利要求1-3中任一项所述的方法,其特征在于,所述酸性EMT沸石分子筛还包含选自氧化铝、二氧化硅和氧化镁中的一种或多种作为粘结剂;优选地,基于所述催化剂的总重量,所述粘结剂的含量为0~50wt%。
- 如权利要求1所述的方法,其特征在于,所述羰基化反应在温度为160~250℃,压力为0.5~20.0MPa,二甲醚进料质量空速为0.05~3h-1,一氧化碳和二甲醚的摩尔比为20:1~0.5:1下进行。
- 如权利要求5所述的方法,其特征在于,所述温度为170~240℃,压力为1.0~15.0MPa,二甲醚进料质量空速为0.1~2.5h-1并且一氧化碳和二甲醚的摩尔比为15:1~1:1。
- 如权利要求1所述的方法,其特征在于,所述含一氧化碳的原料气包含一氧化碳、氢气以及选自氮气、氦气、氩气、二氧化碳、甲烷和乙烷中的任意一种或几种的惰性气体;优选地,基于所述含一氧化碳的原料气的总体积,一氧化碳的体积含量为50~100%,氢气的体积含量为0~50%,惰性气体的体积含量为0~50%。
- 如权利要求1所述的方法,其特征在于,所述乙酸甲酯被进一步水解以生产乙酸。
- 如权利要求1所述的方法,其特征在于,所述乙酸甲酯被进一步加氢还原以生产乙醇。
- 如权利要求1所述的方法,其特征在于,所述羰基化反应在固定床反应器、流化床反应器或移动床反应器中进行。
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BR112018001186-0A BR112018001186B1 (pt) | 2015-07-20 | 2015-12-08 | Um método para produzir acetato de metila |
CA2993875A CA2993875A1 (en) | 2015-07-20 | 2015-12-08 | A method for producing methyl acetate |
AU2015403144A AU2015403144B2 (en) | 2015-07-20 | 2015-12-08 | Methyl acetate preparation method |
EP15898802.2A EP3326996B1 (en) | 2015-07-20 | 2015-12-08 | Methyl acetate preparation method |
JP2018502116A JP6523549B2 (ja) | 2015-07-20 | 2015-12-08 | 酢酸メチルの生産方法 |
US15/743,936 US10287233B2 (en) | 2015-07-20 | 2015-12-08 | Methyl acetate preparation method |
EA201890301A EA032939B1 (ru) | 2015-07-20 | 2015-12-08 | Способ получения метилацетата |
SA518390760A SA518390760B1 (ar) | 2015-07-20 | 2018-01-18 | طريقة لإنتاج ميثيل أسيتات |
ZA2018/00637A ZA201800637B (en) | 2015-07-20 | 2018-01-30 | Methyl acetate preparation method |
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AU (1) | AU2015403144B2 (zh) |
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Cited By (1)
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US11292761B2 (en) * | 2017-09-29 | 2022-04-05 | Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences | Method for directly producing methyl acetate and/or acetic acid from syngas |
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CN106365995A (zh) | 2017-02-01 |
EP3326996A1 (en) | 2018-05-30 |
BR112018001186B1 (pt) | 2022-02-15 |
EA032939B1 (ru) | 2019-08-30 |
EP3326996A4 (en) | 2018-07-25 |
CN106365995B (zh) | 2018-06-05 |
AU2015403144A1 (en) | 2018-02-08 |
JP6523549B2 (ja) | 2019-06-05 |
EA201890301A1 (ru) | 2018-07-31 |
JP2018520191A (ja) | 2018-07-26 |
AU2015403144B2 (en) | 2020-04-16 |
BR112018001186A2 (zh) | 2017-01-26 |
US10287233B2 (en) | 2019-05-14 |
ZA201800637B (en) | 2019-07-31 |
SA518390760B1 (ar) | 2021-07-14 |
CA2993875A1 (en) | 2017-01-26 |
EP3326996B1 (en) | 2020-04-22 |
US20180370896A1 (en) | 2018-12-27 |
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