CN114478190A - 一种乙二醇的精制方法 - Google Patents
一种乙二醇的精制方法 Download PDFInfo
- Publication number
- CN114478190A CN114478190A CN202011163474.XA CN202011163474A CN114478190A CN 114478190 A CN114478190 A CN 114478190A CN 202011163474 A CN202011163474 A CN 202011163474A CN 114478190 A CN114478190 A CN 114478190A
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- Prior art keywords
- ethylene glycol
- fixed bed
- bed reactor
- reaction
- filled
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims abstract description 252
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000007670 refining Methods 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 31
- 230000003647 oxidation Effects 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 17
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 17
- 239000004927 clay Substances 0.000 claims description 16
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 15
- 239000002808 molecular sieve Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000003463 adsorbent Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 5
- 239000003729 cation exchange resin Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 229940023913 cation exchange resins Drugs 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 11
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 150000001728 carbonyl compounds Chemical class 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 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 description 4
- 238000005882 aldol condensation reaction Methods 0.000 description 4
- 239000003957 anion exchange resin Substances 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical compound COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 description 2
- 239000007868 Raney catalyst Substances 0.000 description 2
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 2
- 229910000564 Raney nickel Inorganic materials 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- -1 antifreeze Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 239000013064 chemical raw material 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 150000003440 styrenes Chemical class 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
-
- 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
-
- 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
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- 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
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
- C07C29/92—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound by a consecutive conversion and reconstruction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011163474.XA CN114478190B (zh) | 2020-10-27 | 2020-10-27 | 一种乙二醇的精制方法 |
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CN202011163474.XA CN114478190B (zh) | 2020-10-27 | 2020-10-27 | 一种乙二醇的精制方法 |
Publications (2)
Publication Number | Publication Date |
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CN114478190A true CN114478190A (zh) | 2022-05-13 |
CN114478190B CN114478190B (zh) | 2024-03-05 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012113269A1 (zh) * | 2011-02-25 | 2012-08-30 | 中国石油化工股份有限公司 | 提高乙二醇产品质量的方法 |
CN104496752A (zh) * | 2014-11-24 | 2015-04-08 | 中国石油化工股份有限公司 | 一种提高乙二醇装置副产劣质粗乙二醇紫外透光率的工艺 |
WO2018031518A1 (en) * | 2016-08-09 | 2018-02-15 | Scientific Design Company, Inc. | Epoxidation process |
CN108794300A (zh) * | 2018-05-18 | 2018-11-13 | 岳阳昌德化工实业有限公司 | 含乙二醇和1,2-丁二醇的原料的预分离方法及环氧丁烷的制备方法 |
CN109970684A (zh) * | 2019-04-26 | 2019-07-05 | 江苏扬农化工集团有限公司 | 一种氧化法去除环氧丙烷中醛类杂质的方法 |
-
2020
- 2020-10-27 CN CN202011163474.XA patent/CN114478190B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012113269A1 (zh) * | 2011-02-25 | 2012-08-30 | 中国石油化工股份有限公司 | 提高乙二醇产品质量的方法 |
CN104496752A (zh) * | 2014-11-24 | 2015-04-08 | 中国石油化工股份有限公司 | 一种提高乙二醇装置副产劣质粗乙二醇紫外透光率的工艺 |
WO2018031518A1 (en) * | 2016-08-09 | 2018-02-15 | Scientific Design Company, Inc. | Epoxidation process |
CN108794300A (zh) * | 2018-05-18 | 2018-11-13 | 岳阳昌德化工实业有限公司 | 含乙二醇和1,2-丁二醇的原料的预分离方法及环氧丁烷的制备方法 |
CN109970684A (zh) * | 2019-04-26 | 2019-07-05 | 江苏扬农化工集团有限公司 | 一种氧化法去除环氧丙烷中醛类杂质的方法 |
Non-Patent Citations (3)
Title |
---|
俞峰萍等: "提高乙二醇紫外透光率的研究进展", 《化学反应工程与工艺》, vol. 35, no. 02, pages 185 - 189 * |
汤行路等: "乙二醇紫外透过率下降的原因分析及对策", 《山东化工》, vol. 49, no. 02, pages 111 * |
赵立红等: "提高煤制乙二醇紫外透光率的研究进展", 《现代化工》, vol. 40, no. 02, pages 76 - 78 * |
Also Published As
Publication number | Publication date |
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CN114478190B (zh) | 2024-03-05 |
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Effective date of registration: 20240104 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
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