CN101177377A - 熔融结晶精制β-甲基萘的方法 - Google Patents
熔融结晶精制β-甲基萘的方法 Download PDFInfo
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- CN101177377A CN101177377A CNA2007101509998A CN200710150999A CN101177377A CN 101177377 A CN101177377 A CN 101177377A CN A2007101509998 A CNA2007101509998 A CN A2007101509998A CN 200710150999 A CN200710150999 A CN 200710150999A CN 101177377 A CN101177377 A CN 101177377A
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- methylnaphthalene
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- sweating
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- QIMMUPPBPVKWKM-UHFFFAOYSA-N 2-methylnaphthalene Chemical compound C1=CC=CC2=CC(C)=CC=C21 QIMMUPPBPVKWKM-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000002425 crystallisation Methods 0.000 title claims abstract description 33
- 230000008025 crystallization Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000007670 refining Methods 0.000 title claims abstract description 10
- 238000002844 melting Methods 0.000 title claims description 9
- 230000008018 melting Effects 0.000 title claims description 9
- 239000013078 crystal Substances 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 230000035900 sweating Effects 0.000 claims description 34
- 238000010792 warming Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 3
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 50
- 239000002994 raw material Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 11
- 239000011280 coal tar Substances 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 238000004587 chromatography analysis Methods 0.000 description 5
- 239000010413 mother solution Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- 238000010533 azeotropic distillation Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- 239000011269 tar Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical compound C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000002475 indoles Chemical class 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005120 petroleum cracking Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 description 1
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 1
- -1 methyl naphtalene Chemical compound 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
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Priority Applications (1)
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CN2007101509998A CN101177377B (zh) | 2007-12-12 | 2007-12-12 | 熔融结晶精制β-甲基萘的方法 |
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CN2007101509998A CN101177377B (zh) | 2007-12-12 | 2007-12-12 | 熔融结晶精制β-甲基萘的方法 |
Publications (2)
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CN101177377A true CN101177377A (zh) | 2008-05-14 |
CN101177377B CN101177377B (zh) | 2012-03-14 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101293808B (zh) * | 2008-06-18 | 2010-12-08 | 华东理工大学 | 2-甲基萘的分离纯化方法 |
CN101575262B (zh) * | 2008-05-08 | 2012-11-14 | 上海宝钢化工有限公司 | 一种降低2-甲基萘杂质含量的方法 |
CN105418535A (zh) * | 2015-11-20 | 2016-03-23 | 河北德瑞化工有限公司 | 熔融结晶精制2-氯-5-氯甲基噻唑的方法及其熔融结晶装置 |
CN109761775A (zh) * | 2019-01-21 | 2019-05-17 | 湖北海力环保科技股份有限公司 | 一种乙酰基甲基萘混合物中提纯4-乙酰基-1-甲基萘的方法 |
CN111960912A (zh) * | 2020-08-18 | 2020-11-20 | 连云港鹏辰特种新材料有限公司 | 一种分离甲基萘富集液制备2-甲基萘的方法 |
CN114394880A (zh) * | 2022-02-14 | 2022-04-26 | 煤炭科学技术研究院有限公司 | 一种从洗油中提取高纯度2-甲基萘的方法 |
CN114656325A (zh) * | 2022-04-15 | 2022-06-24 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的纯化精制系统及方法 |
CN114669077A (zh) * | 2022-04-15 | 2022-06-28 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的提纯系统及提纯方法 |
CN115417743A (zh) * | 2022-08-25 | 2022-12-02 | 中建安装集团有限公司 | 一种工业萘制精萘分步熔融结晶工艺 |
-
2007
- 2007-12-12 CN CN2007101509998A patent/CN101177377B/zh active Active
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101575262B (zh) * | 2008-05-08 | 2012-11-14 | 上海宝钢化工有限公司 | 一种降低2-甲基萘杂质含量的方法 |
CN101293808B (zh) * | 2008-06-18 | 2010-12-08 | 华东理工大学 | 2-甲基萘的分离纯化方法 |
CN105418535A (zh) * | 2015-11-20 | 2016-03-23 | 河北德瑞化工有限公司 | 熔融结晶精制2-氯-5-氯甲基噻唑的方法及其熔融结晶装置 |
CN105418535B (zh) * | 2015-11-20 | 2018-02-06 | 河北德瑞化工有限公司 | 熔融结晶精制2‑氯‑5‑氯甲基噻唑的方法及其熔融结晶装置 |
CN109761775B (zh) * | 2019-01-21 | 2022-02-01 | 湖北海力环保科技股份有限公司 | 一种乙酰基甲基萘混合物中提纯4-乙酰基-1-甲基萘的方法 |
CN109761775A (zh) * | 2019-01-21 | 2019-05-17 | 湖北海力环保科技股份有限公司 | 一种乙酰基甲基萘混合物中提纯4-乙酰基-1-甲基萘的方法 |
CN111960912A (zh) * | 2020-08-18 | 2020-11-20 | 连云港鹏辰特种新材料有限公司 | 一种分离甲基萘富集液制备2-甲基萘的方法 |
CN114394880A (zh) * | 2022-02-14 | 2022-04-26 | 煤炭科学技术研究院有限公司 | 一种从洗油中提取高纯度2-甲基萘的方法 |
CN114656325A (zh) * | 2022-04-15 | 2022-06-24 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的纯化精制系统及方法 |
CN114669077A (zh) * | 2022-04-15 | 2022-06-28 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的提纯系统及提纯方法 |
CN114656325B (zh) * | 2022-04-15 | 2024-03-01 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的纯化精制系统及方法 |
CN114669077B (zh) * | 2022-04-15 | 2024-04-16 | 煤炭科学技术研究院有限公司 | 一种2-甲基萘的提纯系统及提纯方法 |
CN115417743A (zh) * | 2022-08-25 | 2022-12-02 | 中建安装集团有限公司 | 一种工业萘制精萘分步熔融结晶工艺 |
CN115417743B (zh) * | 2022-08-25 | 2024-01-30 | 中建安装集团有限公司 | 一种工业萘制精萘分步熔融结晶工艺 |
Also Published As
Publication number | Publication date |
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CN101177377B (zh) | 2012-03-14 |
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