CN108623435A - 一种降低甲醇中乙醛、三聚乙醛和丁烯醛含量的方法 - Google Patents
一种降低甲醇中乙醛、三聚乙醛和丁烯醛含量的方法 Download PDFInfo
- Publication number
- CN108623435A CN108623435A CN201810756921.9A CN201810756921A CN108623435A CN 108623435 A CN108623435 A CN 108623435A CN 201810756921 A CN201810756921 A CN 201810756921A CN 108623435 A CN108623435 A CN 108623435A
- Authority
- CN
- China
- Prior art keywords
- acetaldehyde
- methanol
- para
- butylene
- aldehyde
- 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.)
- Granted
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 170
- SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229960003868 paraldehyde Drugs 0.000 title claims abstract description 42
- -1 butylene aldehyde Chemical class 0.000 title claims abstract description 32
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 17
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 17
- 239000011347 resin Substances 0.000 claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 17
- 238000009991 scouring Methods 0.000 claims abstract description 14
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 6
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 4
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 4
- 230000002378 acidificating effect Effects 0.000 claims description 8
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 19
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 19
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 12
- 239000012535 impurity Substances 0.000 description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 150000001241 acetals Chemical class 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- VILAVOFMIJHSJA-UHFFFAOYSA-N dicarbon monoxide Chemical compound [C]=C=O VILAVOFMIJHSJA-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000006136 alcoholysis reaction Methods 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
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CN201810756921.9A CN108623435B (zh) | 2018-07-11 | 2018-07-11 | 一种降低甲醇中乙醛、三聚乙醛和丁烯醛含量的方法 |
Applications Claiming Priority (1)
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CN201810756921.9A CN108623435B (zh) | 2018-07-11 | 2018-07-11 | 一种降低甲醇中乙醛、三聚乙醛和丁烯醛含量的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108623435A true CN108623435A (zh) | 2018-10-09 |
CN108623435B CN108623435B (zh) | 2021-09-03 |
Family
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Family Applications (1)
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CN201810756921.9A Active CN108623435B (zh) | 2018-07-11 | 2018-07-11 | 一种降低甲醇中乙醛、三聚乙醛和丁烯醛含量的方法 |
Country Status (1)
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CN (1) | CN108623435B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113173907A (zh) * | 2021-03-22 | 2021-07-27 | 兄弟科技股份有限公司 | 一种三聚乙醛的连续制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105198702A (zh) * | 2015-10-21 | 2015-12-30 | 湖南省湘维有限公司 | 一种降低聚乙烯醇生产过程中丁烯醛含量的方法 |
CN205653369U (zh) * | 2016-04-27 | 2016-10-19 | 内蒙古双欣环保材料股份有限公司 | 一种离子交换树脂脱除回收甲醇中丁烯醛的装置 |
-
2018
- 2018-07-11 CN CN201810756921.9A patent/CN108623435B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105198702A (zh) * | 2015-10-21 | 2015-12-30 | 湖南省湘维有限公司 | 一种降低聚乙烯醇生产过程中丁烯醛含量的方法 |
CN205653369U (zh) * | 2016-04-27 | 2016-10-19 | 内蒙古双欣环保材料股份有限公司 | 一种离子交换树脂脱除回收甲醇中丁烯醛的装置 |
Non-Patent Citations (1)
Title |
---|
何炳林等: "《离子交换与吸附树脂》", 28 February 1995, 上海科技教育出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113173907A (zh) * | 2021-03-22 | 2021-07-27 | 兄弟科技股份有限公司 | 一种三聚乙醛的连续制备方法 |
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Publication number | Publication date |
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CN108623435B (zh) | 2021-09-03 |
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PB01 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for reducing the contents of acetaldehyde, trimeric acetaldehyde and butenal in methanol Effective date of registration: 20220119 Granted publication date: 20210903 Pledgee: Industrial and Commercial Bank of China Limited Chaohu sub branch Pledgor: ANHUI WANWEI UPDATED HIGH-TECH MATERIAL INDUSTRY Co.,Ltd. Registration number: Y2022980000668 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210903 Pledgee: Industrial and Commercial Bank of China Limited Chaohu sub branch Pledgor: ANHUI WANWEI UPDATED HIGH-TECH MATERIAL INDUSTRY Co.,Ltd. Registration number: Y2022980000668 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for reducing the content of acetaldehyde, trimeric acetaldehyde, and butenal in methanol Granted publication date: 20210903 Pledgee: Industrial and Commercial Bank of China Limited Chaohu sub branch Pledgor: ANHUI WANWEI UPDATED HIGH-TECH MATERIAL INDUSTRY Co.,Ltd. Registration number: Y2024980042182 |