JPH0357803B2 - - Google Patents
Info
- Publication number
- JPH0357803B2 JPH0357803B2 JP59239610A JP23961084A JPH0357803B2 JP H0357803 B2 JPH0357803 B2 JP H0357803B2 JP 59239610 A JP59239610 A JP 59239610A JP 23961084 A JP23961084 A JP 23961084A JP H0357803 B2 JPH0357803 B2 JP H0357803B2
- Authority
- JP
- Japan
- Prior art keywords
- water
- bed
- adsorption
- adsorbent
- feedstock
- 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 - Lifetime
Links
- 238000001179 sorption measurement Methods 0.000 abstract description 86
- 238000010926 purge Methods 0.000 abstract description 40
- 230000008929 regeneration Effects 0.000 abstract description 35
- 238000011069 regeneration method Methods 0.000 abstract description 35
- 239000000047 product Substances 0.000 abstract description 29
- 238000003795 desorption Methods 0.000 abstract description 11
- 238000000926 separation method Methods 0.000 abstract description 10
- 239000012808 vapor phase Substances 0.000 abstract description 8
- 239000012264 purified product Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 115
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 65
- 239000003463 adsorbent Substances 0.000 description 51
- 239000007789 gas Substances 0.000 description 47
- 238000000034 method Methods 0.000 description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 27
- 239000010457 zeolite Substances 0.000 description 23
- 229910021536 Zeolite Inorganic materials 0.000 description 18
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 18
- 239000012530 fluid Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 17
- 239000000203 mixture Substances 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 239000002808 molecular sieve Substances 0.000 description 13
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 13
- 239000006096 absorbing agent Substances 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- 239000002156 adsorbate Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 230000000274 adsorptive effect Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000002336 sorption--desorption measurement Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 235000013405 beer Nutrition 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- JSLCOZYBKYHZNL-UHFFFAOYSA-N butylisobutyrate Chemical compound CCCCOC(=O)C(C)C JSLCOZYBKYHZNL-UHFFFAOYSA-N 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 2
- 229910052680 mordenite Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-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
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical group [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- KFNNIILCVOLYIR-UHFFFAOYSA-N Propyl formate Chemical compound CCCOC=O KFNNIILCVOLYIR-UHFFFAOYSA-N 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- JYIBXUUINYLWLR-UHFFFAOYSA-N aluminum;calcium;potassium;silicon;sodium;trihydrate Chemical compound O.O.O.[Na].[Al].[Si].[K].[Ca] JYIBXUUINYLWLR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229910052676 chabazite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001603 clinoptilolite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JYIMWRSJCRRYNK-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4] JYIMWRSJCRRYNK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052675 erionite Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- RGFNRWTWDWVHDD-UHFFFAOYSA-N sec-butyl ester of butyric acid Natural products CCCC(=O)OCC(C)C RGFNRWTWDWVHDD-UHFFFAOYSA-N 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/30—Physical properties of adsorbents
- B01D2253/302—Dimensions
- B01D2253/308—Pore size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40052—Recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40043—Purging
- B01D2259/4005—Nature of purge gas
- B01D2259/40056—Gases other than recycled product or process gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
- B01D2259/4006—Less than four
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/40077—Direction of flow
- B01D2259/40081—Counter-current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/65—Employing advanced heat integration, e.g. Pinch technology
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Separation Of Gases By Adsorption (AREA)
- Drying Of Gases (AREA)
- Steroid Compounds (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/552,337 US4487614A (en) | 1983-11-16 | 1983-11-16 | Adsorption separation cycle |
| US552337 | 1983-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60118206A JPS60118206A (ja) | 1985-06-25 |
| JPH0357803B2 true JPH0357803B2 (enExample) | 1991-09-03 |
Family
ID=24204916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59239610A Granted JPS60118206A (ja) | 1983-11-16 | 1984-11-15 | 改良された吸着分離サイクル |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4487614A (enExample) |
| EP (1) | EP0142157B1 (enExample) |
| JP (1) | JPS60118206A (enExample) |
| AT (1) | ATE40798T1 (enExample) |
| BR (1) | BR8405811A (enExample) |
| CA (1) | CA1239596A (enExample) |
| DE (1) | DE3476739D1 (enExample) |
| PH (1) | PH20968A (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726818A (en) * | 1984-12-20 | 1988-02-23 | Union Carbide Corporation | Bulk removal of water from organic liquids |
| US4689054A (en) * | 1986-01-07 | 1987-08-25 | Vara International, Inc. | Process for the removal an disposal of airborne contaminants from paint booths and the like |
| GB8601081D0 (en) * | 1986-01-17 | 1986-02-19 | Distillers Co Carbon Dioxide | Removing water from ethanol |
| DE3842299A1 (de) * | 1988-12-16 | 1990-06-21 | Kali Chemie Ag | Verfahren zur trennung von alkohol/wasser-gemischen |
| US4902310A (en) * | 1989-05-16 | 1990-02-20 | Vara International, Inc. | Process for removing halogenated hydrocarbons from solvent streams |
| US4919692A (en) * | 1988-12-19 | 1990-04-24 | Vara International, Inc. | Process for removing solvents and other contaminants from an inlet solvent laden air path |
| US4963168A (en) * | 1989-07-21 | 1990-10-16 | Allied-Signal Inc. | Apparatus for recovering solvent from solvent laden process air streams |
| US4971606A (en) * | 1989-11-06 | 1990-11-20 | Air Products And Chemicals, Inc. | Closed-loop thermal regeneration of adsorbents containing reactive adsorbates |
| US5147419A (en) * | 1990-07-19 | 1992-09-15 | Schoofs Gregory R | Apparatus and method for air drying with reduced oxygen enrichment |
| US5271762A (en) * | 1992-09-29 | 1993-12-21 | Schoofs Gregory R | Apparatus and method for air drying with reduced oxygen enrichment |
| US5281258A (en) * | 1992-12-21 | 1994-01-25 | Uop | Removal of mercury impurity from natural gas |
| US5281259A (en) * | 1992-12-21 | 1994-01-25 | Uop | Removal and recovery of mercury from fluid streams |
| US5256173A (en) * | 1993-03-19 | 1993-10-26 | Uop | Process for removing light alcohols from gas streams |
| US5614000A (en) * | 1995-10-04 | 1997-03-25 | Air Products And Chemicals, Inc. | Purification of gases using solid adsorbents |
| US7507273B1 (en) * | 2005-06-20 | 2009-03-24 | 6Solutions, Llc | Chromatographic rectification of ethanol |
| CN100341830C (zh) * | 2005-09-02 | 2007-10-10 | 钟娅玲 | 一种多吸附塔错步内循环生产无水乙醇方法 |
| BRPI0816673A8 (pt) * | 2007-09-11 | 2016-01-19 | Tetravitae Bioscience Inc | Processo para produção de solventes utilizando adsorção em fase líquida. |
| US8734570B2 (en) * | 2010-10-13 | 2014-05-27 | Wintek Corporation | Pressure and vacuum swing adsorption separation processes |
| US8680344B2 (en) | 2011-01-25 | 2014-03-25 | Zeochem Llc | Molecular sieve adsorbent blends and uses thereof |
| CN104470877B (zh) * | 2012-07-26 | 2016-10-26 | 巴杰许可有限责任公司 | 芳族化合物的烷基化方法 |
| CN105392545B (zh) | 2012-12-28 | 2017-11-17 | 科莱恩国际有限公司 | 用于获得香料的方法 |
| FR3011915B1 (fr) * | 2013-10-10 | 2018-10-12 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede et appareil de separation d'air par distillation cryogenique pour la production d'azote gazeux |
| US20160003532A1 (en) * | 2014-07-03 | 2016-01-07 | Pioneer Energy Inc | Systems and methods for recovering carbon dioxide from industrially relevant waste streams, especially ethanol fermentation processes, for application in food and beverage production |
| EP3197859B1 (de) | 2014-09-24 | 2019-02-06 | Basf Se | Verfahren zur herstellung von terephthalsäurediestern mit rückalkohol-entwässerung |
| EP3197858B1 (de) | 2014-09-24 | 2019-02-06 | Basf Se | Verfahren zur herstellung von terephthalsäurediestern mit umwälzung des reaktionsgemisches |
| RU2665579C1 (ru) | 2014-09-24 | 2018-08-31 | Басф Се | Способ получения сложных диэфиров терефталевой кислоты с обогащением возвратным спиртом |
| CA2962105A1 (en) | 2014-09-24 | 2016-03-31 | Basf Se | Method for producing diesters of terephthalic acid |
| CA3033644C (en) * | 2016-08-31 | 2019-11-05 | Exxonmobil Upstream Research Company | Process to decouple regeneration gas compressor from regeneration gas treating |
| CN107267188A (zh) * | 2017-05-11 | 2017-10-20 | 蚌埠市荣强压缩机制造有限公司 | 一种加油站油气回收装置 |
| WO2019197175A1 (de) | 2018-04-09 | 2019-10-17 | Basf Se | Verfahren zur herstellung eines gemisches von mono- und dibenzoaten |
| CN112843766B (zh) * | 2020-12-29 | 2022-06-14 | 复榆(张家港)新材料科技有限公司 | 变压吸附分离溶剂水二元共沸物的吸附分离工艺 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2137605A (en) * | 1937-03-24 | 1938-11-22 | Aluminum Co Of America | Method of drying alcohol |
| US3343916A (en) * | 1965-02-19 | 1967-09-26 | Exxon Research Engineering Co | Cyclic gas separation process and system |
| US4066423A (en) * | 1976-09-27 | 1978-01-03 | Ht Management Company | Adsorption-absorption vapor recovery system |
| US4331456A (en) * | 1979-06-08 | 1982-05-25 | John Zink Company | Process for recovering hydrocarbons with air-hydrocarbon vapor mixtures |
| US4273621A (en) * | 1980-05-05 | 1981-06-16 | The Lummus Company | Process for dehydrating ethanol and for the production of gasohol therefrom |
| IT1062296B (it) * | 1980-08-08 | 1984-06-26 | Massimo Sacchetti | Processo e apparecchiatura per eliminare e recuperare sostanze organiche volatili dai gas di scarico industriali |
| US4276058A (en) * | 1980-08-26 | 1981-06-30 | John Zink Company | Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures |
| BR8103970A (pt) * | 1980-10-20 | 1982-08-24 | Ad Ind Inc | Processo para remocao de vapor de agua de etanol gasoso |
| AU546133B2 (en) * | 1980-11-07 | 1985-08-15 | Lohamnn G.m.b.H. + Co. Kg | Recovery of solvents |
| US4351732A (en) * | 1980-12-12 | 1982-09-28 | The C. M. Kemp Manufacturing Co. | Dehydration of ethanol |
| US4373935A (en) * | 1981-05-01 | 1983-02-15 | Union Carbide Corporation | Adsorption separation cycle |
-
1983
- 1983-11-16 US US06/552,337 patent/US4487614A/en not_active Expired - Fee Related
-
1984
- 1984-11-09 CA CA000467468A patent/CA1239596A/en not_active Expired
- 1984-11-13 BR BR8405811A patent/BR8405811A/pt not_active IP Right Cessation
- 1984-11-13 DE DE8484113673T patent/DE3476739D1/de not_active Expired
- 1984-11-13 EP EP84113673A patent/EP0142157B1/en not_active Expired
- 1984-11-13 AT AT84113673T patent/ATE40798T1/de active
- 1984-11-15 PH PH31448A patent/PH20968A/en unknown
- 1984-11-15 JP JP59239610A patent/JPS60118206A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1239596A (en) | 1988-07-26 |
| BR8405811A (pt) | 1985-09-17 |
| EP0142157B1 (en) | 1989-02-15 |
| ATE40798T1 (de) | 1989-03-15 |
| PH20968A (en) | 1987-06-10 |
| EP0142157A2 (en) | 1985-05-22 |
| DE3476739D1 (en) | 1989-03-23 |
| US4487614A (en) | 1984-12-11 |
| JPS60118206A (ja) | 1985-06-25 |
| EP0142157A3 (en) | 1986-12-30 |
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