CA1090763A - Zeolite compositions and process for preparing same - Google Patents
Zeolite compositions and process for preparing sameInfo
- Publication number
- CA1090763A CA1090763A CA269,326A CA269326A CA1090763A CA 1090763 A CA1090763 A CA 1090763A CA 269326 A CA269326 A CA 269326A CA 1090763 A CA1090763 A CA 1090763A
- Authority
- CA
- Canada
- Prior art keywords
- sodium
- composition
- process according
- cations
- zeolite
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 239000010457 zeolite Substances 0.000 title claims abstract description 30
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 239000011541 reaction mixture Substances 0.000 claims abstract description 6
- 239000002808 molecular sieve Substances 0.000 claims abstract description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 43
- 229910052681 coesite Inorganic materials 0.000 claims description 25
- 229910052906 cristobalite Inorganic materials 0.000 claims description 25
- 229910052682 stishovite Inorganic materials 0.000 claims description 25
- 229910052905 tridymite Inorganic materials 0.000 claims description 25
- 239000000377 silicon dioxide Substances 0.000 claims description 17
- 235000012239 silicon dioxide Nutrition 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 13
- 150000001768 cations Chemical class 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 claims description 9
- -1 sodium cations Chemical class 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 150000001457 metallic cations Chemical class 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims 2
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000002329 infrared spectrum Methods 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 238000000634 powder X-ray diffraction Methods 0.000 claims 1
- 229910001868 water Inorganic materials 0.000 abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000003595 spectral effect Effects 0.000 abstract description 2
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 150000002892 organic cations Chemical class 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 239000012808 vapor phase Substances 0.000 abstract 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 9
- 239000005630 Diquat Substances 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 9
- 239000000843 powder Substances 0.000 description 8
- 239000000376 reactant Substances 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000499 gel Substances 0.000 description 5
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000012265 solid product Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 3
- 241000894007 species Species 0.000 description 3
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001163743 Perlodes Species 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- GPUADMRJQVPIAS-QCVDVZFFSA-M cerivastatin sodium Chemical compound [Na+].COCC1=C(C(C)C)N=C(C(C)C)C(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)=C1C1=CC=C(F)C=C1 GPUADMRJQVPIAS-QCVDVZFFSA-M 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/36—Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
- C01B39/38—Type ZSM-5
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65506576A | 1976-02-04 | 1976-02-04 | |
US655,065 | 1976-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1090763A true CA1090763A (en) | 1980-12-02 |
Family
ID=24627358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA269,326A Expired CA1090763A (en) | 1976-02-04 | 1977-01-07 | Zeolite compositions and process for preparing same |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS52115800A (enrdf_load_stackoverflow) |
BE (1) | BE851066A (enrdf_load_stackoverflow) |
CA (1) | CA1090763A (enrdf_load_stackoverflow) |
DE (1) | DE2704039B2 (enrdf_load_stackoverflow) |
FR (1) | FR2340273A1 (enrdf_load_stackoverflow) |
GB (1) | GB1574840A (enrdf_load_stackoverflow) |
IT (1) | IT1071556B (enrdf_load_stackoverflow) |
NL (1) | NL177086C (enrdf_load_stackoverflow) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5102644A (en) * | 1973-12-13 | 1992-04-07 | Mobil Oil Corporation | Method for producing zeolites |
US4994251A (en) * | 1973-12-13 | 1991-02-19 | Mobil Oil Corporation | Method for producing zeolites |
US4341748A (en) * | 1973-12-13 | 1982-07-27 | Mobil Oil Corporation | Method for producing zeolites |
EP0030444B1 (en) * | 1979-12-03 | 1985-01-30 | Kitasato Kenkyusho | A process for preparing substances having interferon inducing activity |
DE3172377D1 (en) * | 1980-12-12 | 1985-10-24 | Exxon Research Engineering Co | Composite zeolite |
JPS57196720A (en) * | 1981-05-28 | 1982-12-02 | Toyo Soda Mfg Co Ltd | Molded body of modified zeolite |
JPS5845111A (ja) * | 1981-09-11 | 1983-03-16 | Toa Nenryo Kogyo Kk | 結晶アルミノ珪酸塩及びその製造法 |
JPS5921518A (ja) * | 1982-07-27 | 1984-02-03 | Res Assoc Petroleum Alternat Dev<Rapad> | 結晶性シリケ−トおよびその製造法 |
JPS5973427A (ja) * | 1982-10-16 | 1984-04-25 | Res Assoc Petroleum Alternat Dev<Rapad> | 新規なゼオライト及びその製造方法 |
DE3370469D1 (en) * | 1982-11-16 | 1987-04-30 | Hoechst Ag | Aluminium silicates with a zeolite structure and process for their preparation |
JPS5997523A (ja) * | 1982-11-24 | 1984-06-05 | Agency Of Ind Science & Technol | アルカリ土類金属含有ゼオライト及びその製法 |
JPS59146925A (ja) * | 1983-02-09 | 1984-08-23 | Toa Nenryo Kogyo Kk | 新規な結晶性アルミノ珪酸塩及びその製造方法、並びに、それを使用した有機原料の転化方法 |
JPS623014A (ja) * | 1986-03-20 | 1987-01-09 | Toa Nenryo Kogyo Kk | 結晶性アルミノ珪酸塩およびその製造法 |
JPH0347965U (enrdf_load_stackoverflow) * | 1989-09-12 | 1991-05-07 | ||
CN1034223C (zh) * | 1993-03-29 | 1997-03-12 | 中国石油化工总公司 | 制取低碳烯烃的裂解催化剂 |
CN1034586C (zh) * | 1993-11-05 | 1997-04-16 | 中国石油化工总公司 | 多产低碳烯烃的催化转化方法 |
DE4411049A1 (de) * | 1994-03-30 | 1995-10-05 | Nord Systemtechnik | Verfahren zum Entsalzen von salzhaltigem Wasser, insbesondere von Meerwasser |
US7361328B2 (en) * | 2002-12-30 | 2008-04-22 | Sk Corporation | Method of preparing ZSM-5 using variable temperature without organic template |
JP2013091057A (ja) * | 2011-10-03 | 2013-05-16 | Tosoh Corp | パラジウム化合物吸着剤およびその用途 |
JP6000651B2 (ja) * | 2012-05-25 | 2016-10-05 | 太平洋セメント株式会社 | 硫黄分及びセレンを含有する排水の処理方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1207356B (de) * | 1963-03-12 | 1965-12-23 | Norton Co | Verfahren zur Herstellung von synthetischem Mordenit mit Porenweite von mindestens 5 AAngstroem |
US3702886A (en) * | 1969-10-10 | 1972-11-14 | Mobil Oil Corp | Crystalline zeolite zsm-5 and method of preparing the same |
GB1553209A (en) * | 1975-09-29 | 1979-09-26 | Ici Ltd | Zeolites |
-
1977
- 1977-01-07 CA CA269,326A patent/CA1090763A/en not_active Expired
- 1977-02-01 DE DE19772704039 patent/DE2704039B2/de not_active Ceased
- 1977-02-03 GB GB444177A patent/GB1574840A/en not_active Expired
- 1977-02-03 IT IT6723877A patent/IT1071556B/it active
- 1977-02-03 NL NL7701154A patent/NL177086C/xx not_active IP Right Cessation
- 1977-02-03 FR FR7703047A patent/FR2340273A1/fr active Granted
- 1977-02-03 JP JP1032977A patent/JPS52115800A/ja active Granted
- 1977-02-03 BE BE174644A patent/BE851066A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL177086C (nl) | 1989-08-16 |
BE851066A (fr) | 1977-08-03 |
GB1574840A (en) | 1980-09-10 |
FR2340273A1 (fr) | 1977-09-02 |
NL177086B (nl) | 1985-03-01 |
JPS52115800A (en) | 1977-09-28 |
FR2340273B1 (enrdf_load_stackoverflow) | 1980-11-21 |
IT1071556B (it) | 1985-04-10 |
NL7701154A (nl) | 1977-08-08 |
DE2704039A1 (de) | 1977-08-18 |
DE2704039B2 (de) | 1979-01-04 |
JPS5649851B2 (enrdf_load_stackoverflow) | 1981-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1090763A (en) | Zeolite compositions and process for preparing same | |
US3436174A (en) | Synthetic mordenite and preparation thereof | |
US4104294A (en) | Crystalline silicates and method for preparing same | |
US4503024A (en) | Process for the preparation of synthetic zeolites, and zeolites obtained by said process | |
US4241036A (en) | Synthetic crystalline zeolite and process for preparing same | |
US4061724A (en) | Crystalline silica | |
US4853203A (en) | Ferrierites; their process of manufacture | |
CA1269088A (en) | Zeolite having a paulingite-like structure (ecr-18) and a method for its preparation | |
US4891200A (en) | Omega type zeolite having high thermal stability, its process of preparation and its utilization | |
AU711249B2 (en) | Process of modifying the porosity of aluminosilicates and silicas, and mesoporous compositions derived therefrom | |
CA2365477A1 (en) | Synthesis of aluminum rich afi zeiolite | |
US4717560A (en) | Crystalline zeolite composition (ECR-5) having a cancrinite-like structure and process for its preparation | |
CA1275397C (en) | Crystalline zeolite lz-202 and process for preparing same | |
US5283047A (en) | Synthesis of ECR-26 (C-2646) | |
Abdmeziem et al. | Synthesis of large crystals of ZSM-5 zeolite from a smectite-type clay material | |
US5451391A (en) | Process for the synthesis of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, the aluminosilicate obtained and its use as catalyst for the conversion of hycrocarbons | |
US6027708A (en) | Process for the synthesis of flyash based zeolite-Y | |
CA1336330C (en) | Ecr-18, method of its preparation, and uses for sorption and separation | |
US5185136A (en) | Trivalent transition-metal-aluminosilicate hydrocarbon conversion catalysts having mazzite-like structures, ECR-23-T (C-2491) | |
US3414602A (en) | Zeolite n and process for preparing same | |
CA1249988A (en) | Synthesis of molecular sieving high silica mordenite using synthesis directing organic dyes | |
US5248491A (en) | Zeolite LZ-276 and process for preparing same | |
GB1592809A (en) | Crystalline silica polymorph method for preparing same and its use | |
US5192522A (en) | Zeolite LZ-277 and process for preparing same | |
US3996337A (en) | Crystalline beryllo-alumino-silicates and process for their manufacture |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |