DE2646790C3 - Verfahren zur Abtennung von p-Xylol aus Gemischen mit aromatischen C8. Isomeren - Google Patents
Verfahren zur Abtennung von p-Xylol aus Gemischen mit aromatischen C8. IsomerenInfo
- Publication number
- DE2646790C3 DE2646790C3 DE2646790A DE2646790A DE2646790C3 DE 2646790 C3 DE2646790 C3 DE 2646790C3 DE 2646790 A DE2646790 A DE 2646790A DE 2646790 A DE2646790 A DE 2646790A DE 2646790 C3 DE2646790 C3 DE 2646790C3
- Authority
- DE
- Germany
- Prior art keywords
- xylene
- adsorbent
- barium
- zeolite
- desorbent
- 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.)
- Expired
Links
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title claims description 96
- 238000000034 method Methods 0.000 title claims description 23
- 238000000926 separation method Methods 0.000 title claims description 21
- 239000000203 mixture Substances 0.000 title claims description 15
- 125000003118 aryl group Chemical group 0.000 title claims description 14
- 239000003463 adsorbent Substances 0.000 claims description 49
- 239000010457 zeolite Substances 0.000 claims description 38
- 229910021536 Zeolite Inorganic materials 0.000 claims description 25
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 25
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 24
- 150000001768 cations Chemical class 0.000 claims description 24
- 229910052788 barium Inorganic materials 0.000 claims description 16
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 9
- 238000003795 desorption Methods 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 3
- DSNHSQKRULAAEI-UHFFFAOYSA-N 1,4-Diethylbenzene Chemical compound CCC1=CC=C(CC)C=C1 DSNHSQKRULAAEI-UHFFFAOYSA-N 0.000 description 30
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 13
- 229910001422 barium ion Inorganic materials 0.000 description 9
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 8
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 8
- 229910052700 potassium Inorganic materials 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- 229910001427 strontium ion Inorganic materials 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 6
- -1 barium cations Chemical class 0.000 description 6
- 239000000284 extract Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 229940078552 o-xylene Drugs 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- BKIMMITUMNQMOS-UHFFFAOYSA-N nonane Chemical compound CCCCCCCCC BKIMMITUMNQMOS-UHFFFAOYSA-N 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- BGNGWHSBYQYVRX-UHFFFAOYSA-N 4-(dimethylamino)benzaldehyde Chemical compound CN(C)C1=CC=C(C=O)C=C1 BGNGWHSBYQYVRX-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 230000000274 adsorptive effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000008096 xylene Substances 0.000 description 3
- AFZZYIJIWUTJFO-UHFFFAOYSA-N 1,3-diethylbenzene Chemical compound CCC1=CC=CC(CC)=C1 AFZZYIJIWUTJFO-UHFFFAOYSA-N 0.000 description 2
- CHBAWFGIXDBEBT-UHFFFAOYSA-N 4-methylheptane Chemical compound CCCC(C)CCC CHBAWFGIXDBEBT-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 150000005195 diethylbenzenes Chemical class 0.000 description 2
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 description 2
- 238000006317 isomerization reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- TVSBRLGQVHJIKT-UHFFFAOYSA-N propan-2-ylcyclopentane Chemical compound CC(C)C1CCCC1 TVSBRLGQVHJIKT-UHFFFAOYSA-N 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910052701 rubidium Inorganic materials 0.000 description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229940118888 barium cation Drugs 0.000 description 1
- XDFCIPNJCBUZJN-UHFFFAOYSA-N barium(2+) Chemical compound [Ba+2] XDFCIPNJCBUZJN-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- BFAKENXZKHGIGE-UHFFFAOYSA-N bis(2,3,5,6-tetrafluoro-4-iodophenyl)diazene Chemical compound FC1=C(C(=C(C(=C1F)I)F)F)N=NC1=C(C(=C(C(=C1F)F)I)F)F BFAKENXZKHGIGE-UHFFFAOYSA-N 0.000 description 1
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical class CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 150000001940 cyclopentanes Chemical class 0.000 description 1
- 125000004855 decalinyl group Chemical class C1(CCCC2CCCCC12)* 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000000506 liquid--solid chromatography Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/626,152 US3997620A (en) | 1975-10-28 | 1975-10-28 | Process for separating para-xylene |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2646790A1 DE2646790A1 (de) | 1977-05-18 |
| DE2646790B2 DE2646790B2 (de) | 1978-07-13 |
| DE2646790C3 true DE2646790C3 (de) | 1979-03-15 |
Family
ID=24509165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2646790A Expired DE2646790C3 (de) | 1975-10-28 | 1976-10-16 | Verfahren zur Abtennung von p-Xylol aus Gemischen mit aromatischen C8. Isomeren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3997620A (enExample) |
| JP (1) | JPS6032606B2 (enExample) |
| CA (1) | CA1085309A (enExample) |
| DE (1) | DE2646790C3 (enExample) |
| FR (1) | FR2329623A1 (enExample) |
| GB (1) | GB1555029A (enExample) |
| IT (1) | IT1068913B (enExample) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3624464A (en) * | 1969-12-12 | 1971-11-30 | Gen Electric | Peripheral gate scr with annular ballast segment for more uniform turn on |
| US4313015A (en) * | 1980-02-07 | 1982-01-26 | Uop Inc. | Separation process |
| US4382001A (en) * | 1980-10-30 | 1983-05-03 | Uop Inc. | Use of activated carbon for separation of ethanol from water |
| US4343623A (en) * | 1980-12-22 | 1982-08-10 | Uop Inc. | Use of esterified silica for separation of ethanol from water |
| US4333740A (en) * | 1980-12-23 | 1982-06-08 | Uop Inc. | Process for the separation of water from ethanol |
| US4423279A (en) * | 1982-02-25 | 1983-12-27 | Uop Inc. | Separation of bi-alkyl substituted monocyclic aromatic isomers with pyrolyzed adsorbent |
| US4467126A (en) * | 1983-07-18 | 1984-08-21 | Uop Inc. | Process for the separation of di-substituted benzene |
| US4497972A (en) * | 1983-10-11 | 1985-02-05 | Uop Inc. | Process for the separation of ethylbenzene |
| US4482777A (en) * | 1984-04-02 | 1984-11-13 | Uop Inc. | Separation of ortho bi-alkyl substituted monocyclic aromatic isomers |
| US4567309A (en) * | 1984-05-29 | 1986-01-28 | Uop Inc. | Separation of 1,3-butadiene |
| US4529828A (en) * | 1984-05-29 | 1985-07-16 | Uop Inc. | Separation of ortho-xylene |
| US4594423A (en) * | 1984-07-16 | 1986-06-10 | Uop Inc. | Separation of picoline isomers |
| US4570029A (en) * | 1985-03-04 | 1986-02-11 | Uop Inc. | Process for separating isoprene |
| US4605783A (en) | 1985-03-21 | 1986-08-12 | Uop Inc. | Process for separating monoterpenes |
| US4794202A (en) * | 1985-04-15 | 1988-12-27 | Uop Inc. | Process for separating halogen substituted toluene isomers |
| US4886929A (en) * | 1987-06-15 | 1989-12-12 | Uop Inc. | Separation of para-xylene |
| US4899017A (en) * | 1987-07-27 | 1990-02-06 | Mobil Oil Corporation | Process for the selective separation of para-xylene from C8 aromatic mixtures |
| JPH0167413U (enExample) * | 1987-10-23 | 1989-04-28 | ||
| US5107062A (en) * | 1988-05-23 | 1992-04-21 | Uop | Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent |
| US4956522A (en) * | 1988-05-23 | 1990-09-11 | Uop | Zeolitic para-ethyltoluene separation with tetralin heavy desorbent |
| US4886930A (en) * | 1988-05-23 | 1989-12-12 | Uop | Zeolitic para-xylene separation with tetralin heavy desorbent |
| US5012038A (en) * | 1988-05-23 | 1991-04-30 | Uop | Zeolitic para-xylene separation with diethyltoluene heavy desorbent |
| US5057643A (en) * | 1988-05-23 | 1991-10-15 | Uop | Zeolitic para-xylene separation with tetralin derivatives as heavy desorbent |
| US4940830A (en) * | 1988-09-26 | 1990-07-10 | Uop | Rejective separation of para-xylene from xylene isomers and ethylbenzene with zeolites |
| US4962273A (en) * | 1988-10-31 | 1990-10-09 | Uop | Purification of alpha naphthol-containing feedstock by adsorption |
| US5118876A (en) * | 1989-01-18 | 1992-06-02 | Zinnen Hermann A | Separation of dichlorophenol isomers with zeolite adsorbents |
| US5012039A (en) * | 1989-03-10 | 1991-04-30 | Uop | Separation of 2,7 diisopropylnaphthalene from a feed mixture comprising various diisopropylnaphthalene isomers with a zeolite adsorbent |
| US4929796A (en) * | 1989-03-10 | 1990-05-29 | Uop | Separation of 2,7 diisopropylnaphthalene from a feed mixture comprising various diisopropylnaphthalene isomers with a zeolite adsorbent |
| US5159131A (en) * | 1991-12-23 | 1992-10-27 | Uop | Zeolitic para-xylene separation with indan and indan derivatives as heavy desorbent |
| US5849981A (en) * | 1994-10-11 | 1998-12-15 | Uop Llc | Adsorptive separation of para-xylene using isopropylbenzene desorbent |
| JP3547759B2 (ja) * | 1994-10-22 | 2004-07-28 | 中国石化揚子石油化工公司 | 擬似移動床による吸着分離の改善された方法 |
| US5877373A (en) * | 1997-05-05 | 1999-03-02 | Uop Llc | C8 alkylaromatic hydrocarbon production using reversible flow reactive chromatography |
| US6403856B1 (en) | 1998-10-19 | 2002-06-11 | Uop Llc | Process for separating alkylaromatic hydrocarbons |
| US6005153A (en) * | 1998-10-19 | 1999-12-21 | Uop Llc | Process for aromatic transalkylation using simulated moving bed reactive chromatography |
| US6348637B1 (en) | 2000-09-26 | 2002-02-19 | Uop Llc | Multifunction fractionation column for adsorptive separation processes |
| WO2004088230A2 (en) * | 2003-03-28 | 2004-10-14 | Thermal Kinetics Systems, Llc | Ethanol distillation with distillers soluble solids recovery apparatus |
| US7482482B2 (en) | 2004-09-02 | 2009-01-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7361784B2 (en) | 2004-09-02 | 2008-04-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7563926B2 (en) | 2004-09-02 | 2009-07-21 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7504535B2 (en) | 2004-09-02 | 2009-03-17 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7495125B2 (en) | 2004-09-02 | 2009-02-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7683210B2 (en) | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7589231B2 (en) | 2004-09-02 | 2009-09-15 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7582793B2 (en) | 2004-09-02 | 2009-09-01 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7608733B2 (en) | 2004-09-02 | 2009-10-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7692037B2 (en) * | 2004-09-02 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7692036B2 (en) | 2004-11-29 | 2010-04-06 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7910769B2 (en) | 2004-09-02 | 2011-03-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7381836B2 (en) | 2004-09-02 | 2008-06-03 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7507857B2 (en) | 2004-09-02 | 2009-03-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7586000B2 (en) | 2004-09-02 | 2009-09-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7399882B2 (en) | 2004-09-02 | 2008-07-15 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7572936B2 (en) | 2004-09-02 | 2009-08-11 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7390921B2 (en) | 2004-09-02 | 2008-06-24 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7371894B2 (en) | 2004-09-02 | 2008-05-13 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7572932B2 (en) | 2004-09-02 | 2009-08-11 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7608732B2 (en) | 2005-03-08 | 2009-10-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7568361B2 (en) | 2004-09-02 | 2009-08-04 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7741515B2 (en) | 2004-09-02 | 2010-06-22 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7884232B2 (en) | 2005-06-16 | 2011-02-08 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7358389B2 (en) | 2006-01-04 | 2008-04-15 | Eastman Chemical Company | Oxidation system employing internal structure for enhanced hydrodynamics |
| US7355068B2 (en) | 2006-01-04 | 2008-04-08 | Eastman Chemical Company | Oxidation system with internal secondary reactor |
| US7683233B2 (en) | 2006-09-14 | 2010-03-23 | Exxonmobil Chemical Patents Inc. | Process for producing para-xylene |
| CN101497022B (zh) * | 2008-01-31 | 2011-06-15 | 中国石油化工股份有限公司 | 聚结型沸石吸附剂及其制备方法 |
| US8609925B2 (en) * | 2008-06-30 | 2013-12-17 | Uop Llc | Adsorbents with improved mass transfer properties and their use in the adsorptive separation of para-xylene |
| US7820869B2 (en) * | 2008-06-30 | 2010-10-26 | Uop Llc | Binderless adsorbents and their use in the adsorptive separation of para-xylene |
| US7728187B2 (en) * | 2008-06-30 | 2010-06-01 | Uop Llc | Adsorbent and process for the separation of meta-xylene from aromatic hydrocarbons |
| US20090326308A1 (en) * | 2008-06-30 | 2009-12-31 | Uop Llc | Binderless adsorbents comprising nano-size zeolite x and their use in the adsorptive separation of para-xylene |
| US7812208B2 (en) * | 2008-09-22 | 2010-10-12 | Uop Llc | Binderless adsorbents with improved mass transfer properties and their use in the adsorptive separation of para-xylene |
| CN102895800B (zh) | 2011-07-28 | 2016-05-25 | 中国石油化工股份有限公司 | 模拟移动床吸附分离方法和设备 |
| FR3038529B1 (fr) * | 2015-07-09 | 2020-10-23 | Ceca Sa | Adsorbants zeolithiques, leur procede de preparation et leurs utilisations |
| FR3075792B1 (fr) | 2017-12-22 | 2019-11-29 | Arkema France | Adsorbants zeolitiques contenant du strontium |
| FR3075793B1 (fr) * | 2017-12-22 | 2019-11-29 | Arkema France | Adsorbants zeolithiques a base de baryum, strontium et potassium, leur procede de preparation et leurs utilisations |
| KR102834813B1 (ko) | 2019-06-26 | 2025-07-15 | 차이나 페트로리움 앤드 케미컬 코포레이션 | 복합층 응집성 흡착제 및 이의 제조 방법 |
| CN111410596B (zh) | 2020-04-02 | 2021-03-30 | 浙江大学 | 一种碳八芳烃同分异构体混合物的分离方法 |
| CN116023217B (zh) * | 2021-10-25 | 2025-10-10 | 中国石油化工股份有限公司 | 一种从重芳烃中分离三甲苯单体的方法 |
| CN118510742A (zh) | 2021-10-25 | 2024-08-16 | 中国石油化工股份有限公司 | 三甲苯系化合物用吸附剂及其制备方法、三甲苯系化合物的分离方法和分离装置 |
| WO2024179395A1 (zh) | 2023-02-27 | 2024-09-06 | 中国石油化工股份有限公司 | 一种改性x型分子筛、包含改性x型分子筛的吸附剂、它们的制备方法和用途 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3686342A (en) * | 1970-09-18 | 1972-08-22 | Universal Oil Prod Co | Aromatic hydrocarbon separation by adsorption |
| US3715409A (en) * | 1971-03-08 | 1973-02-06 | Universal Oil Prod Co | Hydrocarbon separation |
| US3696107A (en) * | 1971-05-27 | 1972-10-03 | Richard W Neuzil | Improved hydrocarbon separation process |
| US3734974A (en) * | 1971-07-26 | 1973-05-22 | Universal Oil Prod Co | Hydrocarbon separation process |
| US3707550A (en) * | 1971-10-26 | 1972-12-26 | Universal Oil Prod Co | Process for the production and recovery of ortho-xylene,para-xylene and ethylbenzene |
-
1975
- 1975-10-28 US US05/626,152 patent/US3997620A/en not_active Expired - Lifetime
-
1976
- 1976-10-04 CA CA262,592A patent/CA1085309A/en not_active Expired
- 1976-10-16 DE DE2646790A patent/DE2646790C3/de not_active Expired
- 1976-10-25 FR FR7632130A patent/FR2329623A1/fr active Granted
- 1976-10-26 IT IT28706/76A patent/IT1068913B/it active
- 1976-10-27 GB GB44591/76A patent/GB1555029A/en not_active Expired
- 1976-10-28 JP JP51130006A patent/JPS6032606B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1555029A (en) | 1979-11-07 |
| DE2646790A1 (de) | 1977-05-18 |
| IT1068913B (it) | 1985-03-21 |
| DE2646790B2 (de) | 1978-07-13 |
| FR2329623A1 (fr) | 1977-05-27 |
| JPS6032606B2 (ja) | 1985-07-29 |
| CA1085309A (en) | 1980-09-09 |
| JPS5253821A (en) | 1977-04-30 |
| US3997620A (en) | 1976-12-14 |
| FR2329623B1 (enExample) | 1980-03-28 |
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