CN103285878A - Catalyst for preparing vinyl acetate through acetylene method - Google Patents
Catalyst for preparing vinyl acetate through acetylene method Download PDFInfo
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Abstract
The invention discloses a catalyst for preparing vinyl acetate through an acetylene method. The carrier of the catalyst is activated carbon, and the active ingredients loaded on the activated carbon comprise dipped zinc, lanthanum, iron, calcium, copper, potassium, zirconium and platinum. The method comprises the following steps: mixing solutions of zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate and platinum nitrate, dissolving ethanol in the solution, preparing excessive active dipping solution in a stainless steel container, filling the activated carbon into a stainless steel basket with a filtering net, soaking in the dipping solution for 10 hours, lifting the activated carbon basket, and filtering; filling the catalyst containing active substances in a calcining furnace, calcining by utilizing burner gas from the combustion furnace, controlling the temperature to 300 DEG C, evaporating the moisture, gradually raising the temperature to 1000 DEG C, and calcining for 2 hours to obtain the catalyst. The catalyst for preparing vinyl acetate through the acetylene method is used for the reaction for preparing the vinyl acetate, the initial temperature of the reaction can be reduced, and a high space-time yield is obtained.
Description
Technical field
The present invention relates to chemical field, be specifically related to a kind of catalyst.
Background technology
Vinyl acetate is to use one of Organic Chemicals the most widely, it also is one of topmost downstream product of acetic acid, mainly for the production of polyvinyl acetate, polyvinyl alcohol and and the copolymer of ethene, vinyl chloride, acrylonitrile, these products are widely used in production fields such as coating, dyestuff, adhesive, chemical fibre, film and various kinds of resin.Along with science and technology development, new application is also in continuous expansion.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of catalyst of preparing vinyl acetate using acetylene method, for the preparation of accessing space-time yield preferably in the reaction of vinyl acetate.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of catalyst of preparing vinyl acetate using acetylene method is characterized in that: the carrier of catalyst is active carbon, and the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃;
The specific surface of aforesaid active carbon is 800～2500m
2/ g; The active component zinc constituent content of aforesaid load accounts for 5% of catalyst gross mass; The active component lanthanum element content of aforesaid load accounts for 0.05% of catalyst gross mass.
Usefulness of the present invention is: the catalyst of a kind of preparing vinyl acetate using acetylene method provided by the invention, in the reaction for the preparation of vinyl acetate, can reduce the initial temperature of reaction, and obtain space-time yield preferably.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done concrete introduction.
Embodiment 1
A kind of catalyst of preparing vinyl acetate using acetylene method is characterized in that: the carrier of catalyst is active carbon, and the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃;
The specific surface of aforesaid active carbon is 2500m
2/ g; The active component zinc constituent content of aforesaid load accounts for 5% of catalyst gross mass; The active component lanthanum element content of aforesaid load accounts for 0.05% of catalyst gross mass.
Embodiment 2
A kind of catalyst of preparing vinyl acetate using acetylene method is characterized in that: the carrier of catalyst is active carbon, and the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃;
The specific surface of aforesaid active carbon is 1000m
2/ g; The active component zinc constituent content of aforesaid load accounts for 5% of catalyst gross mass; The active component lanthanum element content of aforesaid load accounts for 0.05% of catalyst gross mass.
Embodiment 3
A kind of catalyst of preparing vinyl acetate using acetylene method is characterized in that: the carrier of catalyst is active carbon, and the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃;
The specific surface of aforesaid active carbon is 2000m
2/ g; The active component zinc constituent content of aforesaid load accounts for 5% of catalyst gross mass; The active component lanthanum element content of aforesaid load accounts for 0.05% of catalyst gross mass.
Embodiment 4
A kind of catalyst of preparing vinyl acetate using acetylene method is characterized in that: the carrier of catalyst is active carbon, and the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃;
The specific surface of aforesaid active carbon is 800m
2/ g; The active component zinc constituent content of aforesaid load accounts for 5% of catalyst gross mass; The active component lanthanum element content of aforesaid load accounts for 0.05% of catalyst gross mass.
Embodiment 1-4 is applied in the following preparing vinyl acetate using acetylene method reaction.Be 160 ℃ in reaction temperature, air speed 700h
-1, the mol ratio of acetylene and acetic acid is under 5 the reaction condition, to obtain space-time yield and list in the table 1.
The space-time yield data of table 1 embodiment 1-4
Space-time yield data by embodiment 1-4 in the table 1 as can be seen, the catalyst effect of the catalyst of preparing vinyl acetate using acetylene method of the present invention is significantly better than prior art, and the space-time yield of the catalyst of prior art preparing vinyl acetate using acetylene method is no more than 0.950 basically.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (2)
1. the catalyst of a preparing vinyl acetate using acetylene method, it is characterized in that: the carrier of catalyst is active carbon, the active component of load is impregnated zinc, lanthanum, iron, calcium, copper, potassium, zirconium, platinum on active carbon; Zinc acetate, lanthanum acetate, ferrous sulfate, calcium nitrate, copper nitrate, potassium nitrate, zirconium nitrate, platinum nitrate solution are mixed, adding ethanol again is dissolved in wherein, in a rustless steel container, be mixed with excessive above-mentioned active dipping solution, then active carbon is packed in the stainless steel basket that has filter screen, putting into dipping solution soaked after 10 hours, mention the active carbon basket, filter is done; The catalyst that will contain active material is packed in the calcining furnace, utilizes the furnace gas of combustion furnace to calcine, and the control of beginning temperature, progressively improves temperature to 1000 a ℃ calcining then and obtains catalyst after 2 hours water evaporates at 300 ℃.
2. the catalyst of a kind of preparing vinyl acetate using acetylene method according to claim 1, it is characterized in that: the specific surface of described active carbon is 800～2500m
2/ g; The active component zinc constituent content of described load accounts for 5% of catalyst gross mass; The active component lanthanum element content of described load accounts for 0.05% of catalyst gross mass.
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| CN 201310182962 CN103285878A (en) | 2013-05-16 | 2013-05-16 | Catalyst for preparing vinyl acetate through acetylene method |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437623A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Catalyst for acetylene-method vinyl acetate and synthesis method of vinyl acetate |
| CN104437627A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Acetylene method vinyl acetate catalyst and preparation method thereof |
| CN105498778A (en) * | 2014-09-25 | 2016-04-20 | 中国石油化工股份有限公司 | Acetylene process vinyl acetate catalyst |
| CN106268962A (en) * | 2016-07-14 | 2017-01-04 | 安徽海德石油化工有限公司 | One utilizes Synthesizing Vinyl Acetate from Acetylene loaded catalyst |
| CN106268943A (en) * | 2015-05-11 | 2017-01-04 | 中国石油化工股份有限公司 | Synthesis catalyst used by acetylene method vinyl acetate |
| CN106423268A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst used for acetylene method production of vinyl acetate |
| CN106423267A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst for acetylene method preparation of vinyl acetate |
| CN106423128A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst for producing vinyl acetate through acetylene method |
| CN106423157A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate through acetylene method |
| CN106582823A (en) * | 2015-10-19 | 2017-04-26 | 中国石油化工股份有限公司 | Catalyst for preparing vinyl acetate by ethylene method |
| CN107774319A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Acetylene method vinyl acetate catalyst and preparation method thereof |
| CN107774317A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Vinyl acetate synthesis catalyst |
| CN107774322A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | For preparing the catalyst used in acetylene method vinyl acetate |
| CN107774314A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Synthesize the catalyst of acetylene method vinyl acetate |
| CN107774320A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | The catalyst of Synthesizing Vinyl Acetate from Acetylene |
| CN107774250A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation techniques |
| CN107774324A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Natural gas prepares the catalyst used in acetylene method vinyl acetate |
| CN107774336A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation processes |
| CN107774249A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Produce the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107774306A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | The catalyst of vinyl acetate synthesis |
| CN107774323A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst used in natural gas production acetylene method vinyl acetate |
| CN107774251A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Manufacture the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107790180A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation |
| CN107790125A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | Synthesize the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107790181A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | For synthesizing the catalyst of acetylene method vinyl acetate |
| CN107999065A (en) * | 2016-11-01 | 2018-05-08 | 中国石油化工股份有限公司 | Butadiene synthesizes the catalyst of 1,4- diacetoxy butane processes |
| CN108640861A (en) * | 2018-06-12 | 2018-10-12 | 江西师范大学 | " one kettle way " that alkynyl amide mediates prepares macrolide |
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| CN104437623B (en) * | 2013-09-24 | 2017-03-01 | 中国石油化工股份有限公司 | Acetylene method vinyl acetate catalyst and the synthetic method of vinyl acetate |
| CN104437627A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Acetylene method vinyl acetate catalyst and preparation method thereof |
| CN104437623A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Catalyst for acetylene-method vinyl acetate and synthesis method of vinyl acetate |
| CN105498778A (en) * | 2014-09-25 | 2016-04-20 | 中国石油化工股份有限公司 | Acetylene process vinyl acetate catalyst |
| CN105498778B (en) * | 2014-09-25 | 2018-08-17 | 中国石油化工股份有限公司 | acetylene method vinyl acetate catalyst |
| CN106268943A (en) * | 2015-05-11 | 2017-01-04 | 中国石油化工股份有限公司 | Synthesis catalyst used by acetylene method vinyl acetate |
| CN106268943B (en) * | 2015-05-11 | 2019-04-12 | 中国石油化工股份有限公司 | Synthesize catalyst used in acetylene method vinyl acetate |
| CN106423157B (en) * | 2015-08-10 | 2019-04-12 | 中国石油化工股份有限公司 | The catalyst of Synthesizing Vinyl Acetate from Acetylene |
| CN106423157A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate through acetylene method |
| CN106423128A (en) * | 2015-08-10 | 2017-02-22 | 中国石油化工股份有限公司 | Catalyst for producing vinyl acetate through acetylene method |
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| CN106423128B (en) * | 2015-08-10 | 2019-04-12 | 中国石油化工股份有限公司 | Catalyst used in acetylene method vinyl acetate production |
| CN106423268B (en) * | 2015-08-10 | 2019-02-19 | 中国石油化工股份有限公司 | The catalyst of producing vinyl acetate by acetylene method |
| CN106582823A (en) * | 2015-10-19 | 2017-04-26 | 中国石油化工股份有限公司 | Catalyst for preparing vinyl acetate by ethylene method |
| CN106582823B (en) * | 2015-10-19 | 2019-12-10 | 中国石油化工股份有限公司 | Catalyst for preparing vinyl acetate by ethylene method |
| CN106268962A (en) * | 2016-07-14 | 2017-01-04 | 安徽海德石油化工有限公司 | One utilizes Synthesizing Vinyl Acetate from Acetylene loaded catalyst |
| CN107774336B (en) * | 2016-08-29 | 2019-10-08 | 中国石油化工股份有限公司 | Catalyst for 1,4- diacetoxy butylene hydrogenation process |
| CN107774251A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Manufacture the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107774322A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | For preparing the catalyst used in acetylene method vinyl acetate |
| CN107774323A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst used in natural gas production acetylene method vinyl acetate |
| CN107774317A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Vinyl acetate synthesis catalyst |
| CN107790180A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation |
| CN107790125A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | Synthesize the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107774319A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Acetylene method vinyl acetate catalyst and preparation method thereof |
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| CN107774320A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | The catalyst of Synthesizing Vinyl Acetate from Acetylene |
| CN107774249B (en) * | 2016-08-29 | 2020-01-03 | 中国石油化工股份有限公司 | Hydrogenation catalyst for producing 1, 4-diacetoxybutane |
| CN107774314A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Synthesize the catalyst of acetylene method vinyl acetate |
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| CN107774249A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Produce the hydrogenation catalyst of 1,4 diacetoxy butane |
| CN107790181A (en) * | 2016-08-29 | 2018-03-13 | 中国石油化工股份有限公司 | For synthesizing the catalyst of acetylene method vinyl acetate |
| CN107774336A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation processes |
| CN107774250A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Catalyst for 1,4 diacetoxy butylene hydrogenation techniques |
| CN107774250B (en) * | 2016-08-29 | 2019-10-11 | 中国石油化工股份有限公司 | Catalyst for 1,4- diacetoxy butylene hydrogenation technique |
| CN107774324B (en) * | 2016-08-29 | 2019-11-08 | 中国石油化工股份有限公司 | Natural gas prepares catalyst used in acetylene method vinyl acetate |
| CN107774324A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Natural gas prepares the catalyst used in acetylene method vinyl acetate |
| CN107774306B (en) * | 2016-08-29 | 2019-12-10 | 中国石油化工股份有限公司 | Catalyst for synthesizing vinyl acetate |
| CN107999065B (en) * | 2016-11-01 | 2019-12-10 | 中国石油化工股份有限公司 | catalyst for synthesizing 1, 4-diacetoxybutane from butadiene |
| CN107999065A (en) * | 2016-11-01 | 2018-05-08 | 中国石油化工股份有限公司 | Butadiene synthesizes the catalyst of 1,4- diacetoxy butane processes |
| CN108640861A (en) * | 2018-06-12 | 2018-10-12 | 江西师范大学 | " one kettle way " that alkynyl amide mediates prepares macrolide |
| CN108640861B (en) * | 2018-06-12 | 2021-12-14 | 江西师范大学 | Alkyne amide mediated 'one pot' process for preparing macrolides |
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Application publication date: 20130911 |