CN1085646C - 利用萃取精馏从烃类混合物中分离芳烃的方法 - Google Patents
利用萃取精馏从烃类混合物中分离芳烃的方法 Download PDFInfo
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- CN1085646C CN1085646C CN99107785A CN99107785A CN1085646C CN 1085646 C CN1085646 C CN 1085646C CN 99107785 A CN99107785 A CN 99107785A CN 99107785 A CN99107785 A CN 99107785A CN 1085646 C CN1085646 C CN 1085646C
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- extractive distillation
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 29
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 29
- 239000000203 mixture Substances 0.000 title claims abstract description 29
- 238000000605 extraction Methods 0.000 title claims abstract description 17
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 212
- 239000002904 solvent Substances 0.000 claims abstract description 78
- 238000000895 extractive distillation Methods 0.000 claims abstract description 46
- 238000011084 recovery Methods 0.000 claims abstract description 25
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 23
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005194 fractionation Methods 0.000 claims abstract 3
- 238000004064 recycling Methods 0.000 claims abstract 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
- 239000002994 raw material Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 5
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 150000003457 sulfones Chemical class 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims 2
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 125000003710 aryl alkyl group Chemical group 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 150000003738 xylenes Chemical class 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 20
- 238000000926 separation method Methods 0.000 description 17
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 11
- 241000282326 Felis catus Species 0.000 description 10
- 239000007791 liquid phase Substances 0.000 description 8
- 238000004821 distillation Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 238000004508 fractional distillation Methods 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- IHICGCFKGWYHSF-UHFFFAOYSA-N C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C Chemical compound C1=CC=CC=C1.CC1=CC=CC=C1.CC1=CC=CC=C1C IHICGCFKGWYHSF-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 238000000622 liquid--liquid extraction Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- PPDFQRAASCRJAH-UHFFFAOYSA-N 2-methylthiolane 1,1-dioxide Chemical compound CC1CCCS1(=O)=O PPDFQRAASCRJAH-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241001120493 Arene Species 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
| 项 目 | 实例1 | 实例2 |
| 萃取精馏塔理论板数溶剂进塔板号苯馏份入塔板号苯后馏份入塔板号溶剂比(对原料,重量)塔顶压力,MPa溶剂入塔温度,℃溶剂含水量,重%原料入塔温度,℃苯馏份苯后馏份塔顶温度,℃塔底温度,℃ | 25316-4.50.221050.4580-105148 | 25316104.50.201100.278050113153 |
| 回收塔理论板数进料板号塔顶压力,MPa汽提水比(对溶剂,重量)塔顶温度,℃塔底温度,℃ | 1050.050.00855177 | 1050.040.0166177 |
| 项 目 | 实例1 | 实例2 |
| 芳烃中非芳烃含量,ppm | 425 | 542 |
| 芳烃收率,重%苯甲苯二甲苯 | 99.92-- | 99.9599.9798.85 |
| 非芳烃中芳烃含量,重%苯甲苯二甲苯 | 0.45-- | 0.250.520.62 |
| 萃取精馏塔热负荷塔顶,×109焦尔/吨芳烃塔底,×109焦尔/吨芳烃 | 0.090.61 | 0.090.60 |
| 回收塔热负荷* | ||
| 塔顶,×109焦尔/吨芳烃 | 0.89 | 0.90 |
| 塔底,×109焦尔/吨芳烃 | 0.84 | 0.81 |
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99107785A CN1085646C (zh) | 1999-05-28 | 1999-05-28 | 利用萃取精馏从烃类混合物中分离芳烃的方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99107785A CN1085646C (zh) | 1999-05-28 | 1999-05-28 | 利用萃取精馏从烃类混合物中分离芳烃的方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1260341A CN1260341A (zh) | 2000-07-19 |
| CN1085646C true CN1085646C (zh) | 2002-05-29 |
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| CN99107785A Expired - Lifetime CN1085646C (zh) | 1999-05-28 | 1999-05-28 | 利用萃取精馏从烃类混合物中分离芳烃的方法 |
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| CN (1) | CN1085646C (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298405C (zh) * | 2005-07-26 | 2007-02-07 | 天津大学 | 连续萃取精馏分离乙腈-甲苯共沸混合物的方法 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10144239A1 (de) * | 2001-09-04 | 2003-03-27 | Bp Koeln Gmbh | Verfahren zur Prozeßführung einer Extraktivdestillationsanlage, Prozeßleitsystem und Extraktivdestillationsanlage |
| CN101531921B (zh) * | 2009-04-09 | 2012-08-29 | 吉林大学 | 萃取分离汽油或烃类混合物中芳烃的复合溶剂 |
| CN101875592B (zh) * | 2009-04-30 | 2013-07-31 | 中国石油化工股份有限公司 | 萃取精馏分离苯乙烯所用萃取溶剂的再生方法 |
| CN102060402B (zh) * | 2009-11-17 | 2012-03-28 | 中国石油化工集团公司 | 一种回收低碳烃类和低碳含氧有机物的污水处理方法 |
| CN102060347B (zh) * | 2009-11-17 | 2012-03-28 | 中国石油化工集团公司 | 回收低碳烃类和低碳含氧有机物的污水处理工艺 |
| CN102675029B (zh) * | 2012-02-25 | 2016-08-03 | 中国石油大学(华东) | 一种差压热耦合萃取精馏分离甲基环己烷和甲苯的方法 |
| CN102942433A (zh) * | 2012-10-24 | 2013-02-27 | 常州大学 | 一种从烃类混合物中分离苯、甲苯的方法 |
| CN105085152A (zh) * | 2014-05-05 | 2015-11-25 | 北京华和拓科技开发有限责任公司 | 一种芳烃抽提新工艺 |
| CN104745224A (zh) * | 2015-03-10 | 2015-07-01 | 河北新启元能源技术开发股份有限公司 | 余热回收装置及其回收工艺 |
| CN105461502A (zh) * | 2015-11-20 | 2016-04-06 | 中国海洋石油总公司 | 一种萃取精馏分离对二甲苯和间二甲苯的工艺方法 |
| CN105777470B (zh) * | 2016-04-08 | 2018-10-12 | 青岛理工大学 | 一种分离苯和环己烷混合物的工艺方法及设备 |
| CN109053356A (zh) * | 2018-08-06 | 2018-12-21 | 宁夏宝丰能源集团股份有限公司 | 一种三苯馏分的萃取分离方法及粗苯加工工艺 |
| CN111995490A (zh) * | 2020-09-03 | 2020-11-27 | 唐山旭阳化工有限公司 | 加氢油分离设备及方法 |
| CN112920162A (zh) * | 2021-01-29 | 2021-06-08 | 临涣焦化股份有限公司 | 一种溶剂再生装置 |
| CN114989856B (zh) * | 2021-03-02 | 2023-09-05 | 中国石油化工股份有限公司 | 从汽油馏分中分离芳烃或含硫化合物的方法与装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310480A (en) * | 1991-10-31 | 1994-05-10 | Uop | Processes for the separation of aromatic hydrocarbons from a hydrocarbon mixture |
| CN1091413A (zh) * | 1992-11-17 | 1994-08-31 | 克鲁普科普斯有限公司 | 用萃取蒸馏分离烃类混合物的方法 |
-
1999
- 1999-05-28 CN CN99107785A patent/CN1085646C/zh not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5310480A (en) * | 1991-10-31 | 1994-05-10 | Uop | Processes for the separation of aromatic hydrocarbons from a hydrocarbon mixture |
| CN1091413A (zh) * | 1992-11-17 | 1994-08-31 | 克鲁普科普斯有限公司 | 用萃取蒸馏分离烃类混合物的方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298405C (zh) * | 2005-07-26 | 2007-02-07 | 天津大学 | 连续萃取精馏分离乙腈-甲苯共沸混合物的方法 |
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| Publication number | Publication date |
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| CN1260341A (zh) | 2000-07-19 |
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