BR9303992A - Processo para absorver nitrogenio com um cation divalente permutado de lltio e zeolito-X - Google Patents

Processo para absorver nitrogenio com um cation divalente permutado de lltio e zeolito-X

Info

Publication number
BR9303992A
BR9303992A BR9303992A BR9303992A BR9303992A BR 9303992 A BR9303992 A BR 9303992A BR 9303992 A BR9303992 A BR 9303992A BR 9303992 A BR9303992 A BR 9303992A BR 9303992 A BR9303992 A BR 9303992A
Authority
BR
Brazil
Prior art keywords
zeolite
lithium
divalent cation
absorbing nitrogen
exchangeable
Prior art date
Application number
BR9303992A
Other languages
English (en)
Inventor
Charles Gardner Coe
John Francis Kirner
Ronald Pierantozzi
Thomas Robert White
Original Assignee
Air Prod & Chem
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25498577&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9303992(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Prod & Chem filed Critical Air Prod & Chem
Publication of BR9303992A publication Critical patent/BR9303992A/pt

Links

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
    • B01D53/02—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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0433—Physical processing only
    • C01B21/045—Physical processing only by adsorption in solids
    • C01B21/0455—Physical processing only by adsorption in solids characterised by the adsorbent
    • C01B21/0466—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
    • B01D2253/10—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
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/10—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • 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
    • B01D2259/40062—Four
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/21—Faujasite, e.g. X, Y, CZS-3, ECR-4, Z-14HS, VHP-R
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00—Gas separation: processes
    • Y10S95/90—Solid sorbent
    • Y10S95/902—Molecular sieve

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Plural Heterocyclic Compounds (AREA)
BR9303992A 1992-10-05 1993-09-30 Processo para absorver nitrogenio com um cation divalente permutado de lltio e zeolito-X BR9303992A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/956,707 US5258058A (en) 1992-10-05 1992-10-05 Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite

Publications (1)

Publication Number Publication Date
BR9303992A true BR9303992A (pt) 1994-04-12

Family

ID=25498577

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303992A BR9303992A (pt) 1992-10-05 1993-09-30 Processo para absorver nitrogenio com um cation divalente permutado de lltio e zeolito-X

Country Status (15)

Country Link
US (3) US5258058A (pt)
EP (2) EP0591919B1 (pt)
JP (1) JPH084704B2 (pt)
KR (1) KR960016518B1 (pt)
CN (2) CN1034913C (pt)
AT (1) ATE203186T1 (pt)
BR (1) BR9303992A (pt)
CA (1) CA2107144A1 (pt)
DE (1) DE69330452T2 (pt)
FI (1) FI934348A (pt)
MX (1) MX9306167A (pt)
MY (1) MY109214A (pt)
NO (2) NO933540L (pt)
TW (2) TW237437B (pt)
ZA (1) ZA937342B (pt)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370728A (en) * 1993-09-07 1994-12-06 Praxair Technology, Inc. Single bed pressure swing adsorption system and process
US5441557A (en) * 1993-12-14 1995-08-15 Praxair Technology, Inc. Enhanced gas separations and zeolite compositions therefor
IL112027A (en) * 1994-02-14 1999-03-12 Boc Group Inc A method for separating nitrogen from other gases
US5464467A (en) * 1994-02-14 1995-11-07 The Boc Group, Inc. Adsorptive separation of nitrogen from other gases
US5567407A (en) * 1994-05-12 1996-10-22 Coe; Charles G. Li-exchanged low silica EMT-containing metallosilicates
CA2148773C (en) * 1994-05-12 1999-08-17 Scott Jeffrey Weigel Gas separation with lithium-containing zsm-2 metallosilicates
US5573745A (en) * 1994-05-12 1996-11-12 Air Products And Chemicals, Inc. High micropore volume low silica EMT-containing metallosilicates
FR2722426B1 (fr) * 1994-07-18 1996-08-23 Air Liquide Procede de separation d'azote d'un melange gazeux par adsorption
US5531808A (en) * 1994-12-23 1996-07-02 The Boc Group, Inc. Removal of carbon dioxide from gas streams
FR2730728B1 (fr) * 1995-02-21 1997-05-23 Inst Francais Du Petrole Procede de separation du p-xylene comportant un pretraitement par hydrogenation selective et par de la terre activee
CA2170788C (en) 1995-03-02 2000-01-11 Frederick Wells Leavitt Mixed-cation adsorbent production with single pass ion exchange
FR2735992B1 (fr) * 1995-06-29 1997-08-14 Inst Francais Du Petrole Adsorbants utilisables dans les procedes d'epuration d'atmospheres polluees par de l'ethylene
DE19528188C1 (de) * 1995-08-01 1996-12-05 Bayer Ag Verfahren zur Adsorption von Stickstoff aus Gasgemischen mittels Druckwechseladsorption mit Zeolithen
US5616170A (en) * 1995-08-11 1997-04-01 The Boc Group, Inc. Adsorptive separation of nitrogen from other gases
US5604169A (en) * 1996-03-04 1997-02-18 Praxair Technology, Inc. Process for producing mixed-cation zeolites
FR2749004B1 (fr) * 1996-05-24 1998-07-10 Air Liquide Procede pour la purification de melanges gazeux a base d'hydrogene utilisant une zeolithe x echangee au lithium
US5932509A (en) * 1996-06-18 1999-08-03 The Boc Group, Inc. Preparation of ion-exchanged zeolites
US5868818A (en) * 1996-08-08 1999-02-09 Tosoh Corporation Adsorbent for air separation, production method thereof, and air-separation method using it
DE69708790T2 (de) * 1996-08-30 2002-08-08 Tosoh Corp Wärmebeständiges Zeolith mit niedrigem Kieselsäuregehalt und Verfahren zu dessen Herstellung und Verwendung
JPH119990A (ja) * 1997-06-24 1999-01-19 Daido Hoxan Inc 窒素吸着剤およびその使用方法
FR2765491B1 (fr) * 1997-07-07 1999-08-06 Air Liquide Procede de separation d'un flux gazeux par un procede psa
FR2766476B1 (fr) * 1997-07-22 1999-09-03 Ceca Sa Adsorbant zeolitique ameliore pour la separation des gaz de l'air et son procede d'obtention
US5997841A (en) * 1997-08-08 1999-12-07 Air Products And Chemicals, Inc. Zincoaluminosilicates of the FAU structure
US6103214A (en) * 1997-08-08 2000-08-15 Air Products And Chemicals, Inc. Zincoaluminosilicates of the FAU structure
FR2773499B1 (fr) * 1998-01-14 2000-02-11 Air Liquide Procede de purification par adsorption de l'air avant distillation cryogenique
FR2775618B1 (fr) * 1998-03-03 2000-05-05 Air Liquide Adsorbant a taux d'echange heterogene et procede psa mettant en oeuvre un tel adsorbant
US6171370B1 (en) 1998-03-04 2001-01-09 Tosoh Corporation Adsorbent for separating gases
EP1029589A4 (en) * 1998-07-16 2004-03-24 Air Water Inc NITROGEN ABSORBERS AND THEIR USE
FR2782460B1 (fr) * 1998-08-21 2000-09-22 Air Liquide Procede psa utilisant un adsorbant agglomere constitue d'une phase zeolitique et d'un liant
FR2782461B1 (fr) * 1998-08-21 2000-09-22 Air Liquide Procede psa utilisant une zeolithe faujasite contenant des cations metalliques en tant qu'adsorbant
EP1005904A3 (en) * 1998-10-30 2000-06-14 The Boc Group, Inc. Adsorbents and adsorptive separation process
US6780806B1 (en) 1998-12-30 2004-08-24 The Regents Of The University Of Michigan Lithium-based zeolites containing silver and copper and use thereof for selective absorption
WO2000040332A1 (en) * 1998-12-30 2000-07-13 The Regents Of The University Of Michigan Lithium-based zeolites containing silver and copper and use thereof for selective adsorption
FR2792220B1 (fr) * 1999-04-19 2001-06-15 Air Liquide Procede psa mettant en oeuvre un adsorbant a resistance intrinseque favorable a la cinetique d'adsorption
FR2795002B1 (fr) * 1999-06-18 2001-08-03 Air Liquide Solution aqueuse utilisable dans un procede d'echange ions
FR2795657B1 (fr) * 1999-07-02 2001-09-14 Air Liquide Procede de purification d'air par adsorption sur zeolite echangee au baryum
FR2796570B1 (fr) * 1999-07-22 2002-06-07 Air Liquide Adsorbant a selectivite amelioree pour la separation des gaz
JP2001087646A (ja) * 1999-08-25 2001-04-03 Praxair Technol Inc 窒素を別のガスから選択的に吸着させるための新規の吸着剤
US6096194A (en) * 1999-12-02 2000-08-01 Zeochem Sulfur adsorbent for use with oil hydrogenation catalysts
FR2803282B1 (fr) * 2000-01-04 2002-02-15 Ceca Sa Zeolites x echangees notamment au litium, leur procede de preparation et leur utilisation comme adsorbants de l'azote dans la separation des gaz de l'air
US6407025B1 (en) 2000-02-10 2002-06-18 The Boc Group, Inc. Method of manufacture of multicationic molecular sieves
US6583081B2 (en) * 2000-02-10 2003-06-24 The Boc Group, Inc. Method of manufacture of molecular sieves
JP2002001108A (ja) * 2000-05-08 2002-01-08 Praxair Technol Inc ワンパスイオン交換を使用する、混合カチオン吸着材の製造
FR2811313B1 (fr) * 2000-07-07 2002-08-30 Ceca Sa Procede de preparation de zeolites x et lsx agglomerees et echangees au lithium
CN1093087C (zh) * 2000-08-10 2002-10-23 复旦大学 以煤矸石为原料制备高结晶度x型沸石的方法
EP1354619B1 (en) * 2000-12-25 2007-04-04 Sumitomo Seika Chemicals Co., Ltd. Method for separating hydrogen gas
AU2002246964A1 (en) * 2001-01-05 2002-09-04 Questair Technologies, Inc. Adsorbent coating compositions, laminates and adsorber elements comprising such compositions and methods for their manufacture and use
US6432170B1 (en) * 2001-02-13 2002-08-13 Air Products And Chemicals, Inc. Argon/oxygen selective X-zeolite
CA2493605A1 (en) * 2001-07-25 2003-02-06 Richard A. Haase Processes and apparatus for the manufacture of polynuclear aluminum compounds and disinfectants, and polynuclear aluminum compounds and disinfectants from such processes and apparatus
MXPA04009982A (es) 2002-04-11 2006-02-22 Richard A Haase Metodos, procesos, sistemas y aparatos con tecnologia de combustiion de agua, para la combustion de hidrogeno y oxigeno.
EP1679962B1 (en) * 2003-10-20 2021-01-13 Framework Therapeutics, L.L.C. Zeolite molecular sieves for the removal of toxins
JP4897202B2 (ja) * 2004-07-14 2012-03-14 ニチアス株式会社 ホージャサイト型ゼオライトの製造方法
JP2008527629A (ja) * 2004-12-30 2008-07-24 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ゲッター材料を状態調節する方法
US7422360B2 (en) * 2005-02-23 2008-09-09 Cavitech Holdings, Llc Fluid impingement mixing device
US7404846B2 (en) * 2005-04-26 2008-07-29 Air Products And Chemicals, Inc. Adsorbents for rapid cycle pressure swing adsorption processes
US8173995B2 (en) 2005-12-23 2012-05-08 E. I. Du Pont De Nemours And Company Electronic device including an organic active layer and process for forming the electronic device
US8268269B2 (en) 2006-01-24 2012-09-18 Clearvalue Technologies, Inc. Manufacture of water chemistries
US7592284B2 (en) * 2006-03-13 2009-09-22 Honeywell International Inc. Preparation of ion exchanged polymer bound nitrogen adsorbent
CN101289196B (zh) * 2008-06-13 2010-06-30 洛阳市建龙化工有限公司 一种LiLSX分子筛的制备方法
JP5243391B2 (ja) * 2009-11-13 2013-07-24 ニチアス株式会社 除湿用部材
US9427722B2 (en) 2013-10-16 2016-08-30 Numat Technologies, Inc. Metal-organic frameworks for oxygen storage and air separation
CN103864091B (zh) * 2014-03-24 2015-10-28 太原理工大学 一种钠型沸石分子筛中引入金属离子的方法
CN105879566B (zh) * 2016-05-28 2019-04-05 复旦大学 一种介质阻挡放电诱导还原脱除烟气中NOx的方法与装置
FR3059571B1 (fr) * 2016-12-02 2018-11-16 Arkema France Materiau adsorbant zeolithique, procede de preparation et utilisation pour la separation non-cryogenique des gaz industriels
CN111250036B (zh) * 2020-02-13 2022-11-01 中国科学院青海盐湖研究所 一种钠离子吸附剂、其制备方法及其应用
US20210260329A1 (en) 2020-02-23 2021-08-26 Koninklijke Philips N.V. Portable oxygen concentrator
CN114984720A (zh) * 2022-07-29 2022-09-02 杭州普菲科空分设备有限公司 一种带负压补气功能的低能耗制氧设备及其制氧工艺

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE150889C (pt) *
DE289027C (pt) *
DE289511C (pt) *
DE150886C (pt) * 1903-05-24 1904-05-09
US2882244A (en) * 1953-12-24 1959-04-14 Union Carbide Corp Molecular sieve adsorbents
US3013986A (en) * 1958-09-24 1961-12-19 Union Carbide Corp Metal-loaded molecular sieves
US3013984A (en) * 1958-09-24 1961-12-19 Union Carbide Corp Metal-loaded molecular sieves
US3140932A (en) * 1960-12-02 1964-07-14 Union Carbide Corp Separation of an oxygen-nitrogen mixture
US3140931A (en) * 1960-12-01 1964-07-14 Union Carbide Corp Separation of an oxygen-nitrogen mixture
US3140933A (en) * 1960-12-02 1964-07-14 Union Carbide Corp Separation of an oxygen-nitrogen mixture
US3313091A (en) * 1963-11-04 1967-04-11 Exxon Research Engineering Co Vacuum cycle adsorption
US3626020A (en) * 1969-03-12 1971-12-07 Universal Oil Prod Co Separation of paraxylene from mixture of c aromatic utilizing crystalline aluminosilicate adsorbent
NL151322B (nl) * 1970-09-18 1976-11-15 Azote & Prod Chim Werkwijze voor het bereiden van een li en na bevattend zeoliet van het faujasiettype.
US4044062A (en) * 1971-04-21 1977-08-23 Universal Oil Products Company Hydrocarbon separation
JPS4841439A (pt) * 1971-10-01 1973-06-18
JPS4970877A (pt) * 1972-09-25 1974-07-09
US3969276A (en) * 1973-05-02 1976-07-13 Uop Inc. Method of manufacturing a zeolitic adsorbent
JPS5253787A (en) * 1975-10-29 1977-04-30 Toray Ind Inc Adsorbent compoition
JPS538400A (en) * 1976-07-09 1978-01-25 Mobil Oil Process for preparing boujacite having low silica content
JPS53111015A (en) * 1977-03-07 1978-09-28 Asahi Chem Ind Co Ltd Separation of novel organochlorosilanes
DD131166A1 (de) * 1977-05-26 1978-06-07 Rolf Schoellner Verfahren zur abtrennung von sauerstoff und stickstoff aus gasgemischen
JPS5419920A (en) * 1977-07-12 1979-02-15 Asahi Chem Ind Co Ltd Separation of novel methylchlorosilanes
US4118429A (en) * 1977-09-26 1978-10-03 Uop Inc. Production and recovery of para-xylene
US4322394A (en) * 1977-10-31 1982-03-30 Battelle Memorial Institute Adsorbent regeneration and gas separation utilizing microwave heating
JPS5555123A (en) * 1978-10-20 1980-04-22 Asahi Chem Ind Co Ltd Separating method of 6c cyclic hydrocarbon
JPS5813527A (ja) * 1981-07-17 1983-01-26 Mitsubishi Chem Ind Ltd エチレングリコ−ル類の製造法
DE3144012A1 (de) * 1981-11-05 1983-05-19 Bayer Ag, 5090 Leverkusen Druckwechselverfahren zur trennung von gasgemischen mittels adsorption
US4429174A (en) * 1982-08-06 1984-01-31 Exxon Research & Engineering Co. Process for dehydrocoupling toluene using a modified faujasite zeolite catalyst composition
US4481018A (en) * 1982-11-15 1984-11-06 Air Products And Chemicals, Inc. Polyvalent ion exchanged adsorbent for air separation
US4544378A (en) * 1982-11-15 1985-10-01 Air Products And Chemicals, Inc. Nitrogen adsorption process
US4483936A (en) * 1983-04-22 1984-11-20 Exxon Research & Engineering Co. Modified zeolite catalyst composition for alkylating toluene with methanol to form styrene
US4557736A (en) * 1984-10-29 1985-12-10 Air Products And Chemicals, Inc. Binary ion exchanged type X zeolite adsorbent
US4606899A (en) * 1985-03-27 1986-08-19 Air Products And Chemicals, Inc. Synthesis of maximum aluminum X zeolites
GB2199590B (en) * 1986-11-28 1991-07-10 Mitsubishi Chem Ind Process for separating 2, 6-dimethylnaphthalene
US4859217A (en) * 1987-06-30 1989-08-22 Uop Process for separating nitrogen from mixtures thereof with less polar substances
US4810265A (en) * 1987-12-29 1989-03-07 Union Carbide Corporation Pressure swing adsorption process for gas separation
US4964899A (en) * 1988-05-02 1990-10-23 Griffis Steven C Apparatus for transporting a person from a contaminated area to a decontamination facility
US5118876A (en) * 1989-01-18 1992-06-02 Zinnen Hermann A Separation of dichlorophenol isomers with zeolite adsorbents
US4940548A (en) * 1989-04-17 1990-07-10 Uop Chromatographic separation process for recovering individual diethyltoluene isomers
US4925460A (en) * 1989-07-20 1990-05-15 Air Products And Chemicals, Inc. Chabazite for gas separation
US5174979A (en) * 1989-10-06 1992-12-29 Uop Mixed ion-exchanged zeolites and processes for the use thereof in gas separations
US4964889A (en) * 1989-12-04 1990-10-23 Uop Selective adsorption on magnesium-containing clinoptilolites
US5171333A (en) * 1990-01-09 1992-12-15 Uop Methane purification by pressure swing adsorption
US5070052A (en) * 1990-09-21 1991-12-03 Shell Oil Company Basic zinc-containing zeolite compositions
US5152813A (en) * 1991-12-20 1992-10-06 Air Products And Chemicals, Inc. Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite

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NO974317D0 (no) 1997-09-19
EP0591919B1 (en) 2001-07-18
TW237437B (pt) 1995-01-01
US5417957A (en) 1995-05-23
KR940008730A (ko) 1994-05-16
CN1051529C (zh) 2000-04-19
EP1064995A3 (en) 2001-03-07
FI934348A0 (fi) 1993-10-04
FI934348A (fi) 1994-04-06
US5258058A (en) 1993-11-02
ATE203186T1 (de) 2001-08-15
DE69330452T2 (de) 2002-05-29
CN1034913C (zh) 1997-05-21
CN1148568A (zh) 1997-04-30
JPH084704B2 (ja) 1996-01-24
NO933540L (no) 1994-04-06
NO933540D0 (no) 1993-10-04
ZA937342B (en) 1995-04-04
JPH06198118A (ja) 1994-07-19
MY109214A (en) 1996-12-31
CA2107144A1 (en) 1994-04-06
EP1064995A2 (en) 2001-01-03
MX9306167A (es) 1994-06-30
DE69330452D1 (de) 2001-08-23
CN1087553A (zh) 1994-06-08
TW310312B (pt) 1997-07-11
NO974317L (no) 1994-04-06
US5419891A (en) 1995-05-30
KR960016518B1 (ko) 1996-12-14
EP0591919A1 (en) 1994-04-13

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