DE1468748B2 - CRYSTALLINE, ZEOLITHIC, DECATIONIZED ALUMINOSILICATES - Google Patents

CRYSTALLINE, ZEOLITHIC, DECATIONIZED ALUMINOSILICATES

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Publication number
DE1468748B2
DE1468748B2 DE19601468748 DE1468748A DE1468748B2 DE 1468748 B2 DE1468748 B2 DE 1468748B2 DE 19601468748 DE19601468748 DE 19601468748 DE 1468748 A DE1468748 A DE 1468748A DE 1468748 B2 DE1468748 B2 DE 1468748B2
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Germany
Prior art keywords
decationized
cations
zeolitic
hydrocarbons
crystalline
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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.)
Granted
Application number
DE19601468748
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German (de)
Other versions
DE1468748C3 (en
DE1468748A1 (en
Inventor
JuIe Antone Buffalo Pickert Paul Eugene North Tonawanda Boyle James Edward Buffalo N Y Rabo (V St A )
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Union Carbide Corp
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Union Carbide Corp
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Priority claimed from US862764A external-priority patent/US3130006A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Publication of DE1468748A1 publication Critical patent/DE1468748A1/en
Publication of DE1468748B2 publication Critical patent/DE1468748B2/en
Application granted granted Critical
Publication of DE1468748C3 publication Critical patent/DE1468748C3/en
Expired legal-status Critical Current

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    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • 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
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084—Y-type faujasite
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
    • C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
    • C07C2/06—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation of alkenes, i.e. acyclic hydrocarbons having only one carbon-to-carbon double bond
    • C07C2/08—Catalytic processes
    • C07C2/12—Catalytic processes with crystalline alumino-silicates or with catalysts comprising molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • C07C2/54—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
    • C07C2/64—Addition to a carbon atom of a six-membered aromatic ring
    • C07C2/66—Catalytic processes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/02—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
    • C07C4/06—Catalytic processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
    • C10G11/04—Oxides
    • C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G35/00—Reforming naphtha
    • C10G35/04—Catalytic reforming
    • C10G35/06—Catalytic reforming characterised by the catalyst used
    • C10G35/095—Catalytic reforming characterised by the catalyst used containing crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
    • C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
    • C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
    • C10G47/12—Inorganic carriers
    • C10G47/16—Crystalline alumino-silicate carriers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/60—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the type L

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Description

Dekationiaerter Zeolith Na(20)YDekationiaerter Zeolite Na (20) Y

450450

Katalysator Handeäsüblicher KatalysatorCatalyst Customary catalyst

Reakdonstemperatur, 0C 450 I 500Reactdon temperature, 0 C 450 I 500

Gebildete Produkte, MolprozentProducts formed, mole percent

°/o C1+ C2 in C1-C1 ° / o C 1 + C 2 in C 1 -C 1

°/0 C3 in C1-C4 ° / 0 C 3 in C 1 -C 4

% C4 in C1-C4 % C 4 in C 1 -C 4

% IsO-C4 in C4 % IsO-C 4 in C 4

% nicht umgesetztes n-C7 % unreacted nC 7

75 3 43 54 72 1475 3 43 54 72 14

88th 4242 1010 1212th 4545 4848 4545 4040 4949 5555 9292 5555

Claims (2)

ι 2 (deutsche Patentschrift 1089 929), Zeolith L (deutsche Patentansprüche: Patentschrift 1100 009) oder dem natürlichen Zeolithι 2 (German patent specification 1089 929), zeolite L (German patent claims: patent specification 1100 009) or the natural zeolite 1. Kristalline, zeolitHsche dekationisierte Alu- Faujasit ausgegangen.1. Crystalline, zeolitic decationized aluminum faujasite run out. minosilikate mit einem SiO^AlgOa-Molverhältnis In den neuen dekationisierten zeohthiscben MoIevon mehr als 3, vorzugsweise mehr als 4,5, einem 5 kularsieben ist wenigstens em Teil der ^uumimum-Verhältnis von monovalenten Kationen zu Alu- atome nicht mehr durch katiomsche Substanzen miniumatomen von weniger als 0,9, vorzugsweise abgesättigt. Trotzdem behalten überraschenderweise weniger als 0,7, einem Aluminosilikatgerüst, dessen auch diese dekationisierten Molekularsiebe ihre Kn-Menge an Sauerstoffatomen um eine den ent- stallstruktur bei. Ebenso wie die ihnen zugrunde hefernten Kationen äquivalente Menge vermindert io genden bekannten Molekularsieben besitzen sie worden ist und mit einer zur Adsorption von Benzol eine zur Adsorption von Benzol ausreichende Porenausreichenden Porengröße, größe und sind infolgedessen in der Lage, größereminosilicates with a SiO ^ AlgOa molar ratio in the new decationized Zeohthiscben MoIevon more than 3, preferably more than 4.5, a 5 kularsieben is at least em part of the ^ uumimum ratio from monovalent cations to aluminum atoms no longer through catalytic substances minium atoms of less than 0.9, preferably saturated. Still surprisingly retained less than 0.7, an aluminosilicate framework, which these decationized molecular sieves also have their amount of Kn of oxygen atoms around one of the growth structures. Just as they ruined them They have cations equivalent amount reduced by io lowing known molecular sieves and with a pore sufficient to adsorb benzene, sufficient pores to adsorb benzene Pore size, size and as a result are able to get bigger 2. Verwendung kristalliner, zeolithischer dekat- Moleküle beispielsweise Kohlenwasserstoffe zu adionisierter Aluminosilikate gemäß Anspruch 1 als sorbieren. Das Siliziumdioxyd-Alummmmtrioxyd-Mol-Katalysatoren für die Spaltung von Kohlenwasser- 15 verhältnis dieser neuen Molekularsiebe beträgt mehr stoffen. als 3, vorzugsweise mehr als 4,5, ihr Verhältnis von2. Use of crystalline, zeolitic decat molecules, for example, to adionized hydrocarbons Aluminosilicates according to claim 1 as sorb. The silica-alummmtrioxide mole catalysts the ratio of these new molecular sieves for the splitting of hydrocarbons is more fabrics. than 3, preferably more than 4.5, their ratio of monovalenten Metallkationen zu Aluminiumatomenmonovalent metal cations to aluminum atoms ist kleiner als 0,9, zweckmäßig kleiner als 0,7, undis less than 0.9, suitably less than 0.7, and Die Erfindung betrifft kristalline, zeolithische Alu- vorzugsweise kleiner als 0,3.The invention relates to crystalline, zeolitic aluminum, preferably less than 0.3. minosilikate und deren Verwendung als Katalysator 20 Aus den vorstehenden Ausführungen ist klar ersicht-minosilicates and their use as catalysts 20 From the above it is clearly evident- für die Spaltung von Kohlenwasserstoffen. lieh, daß der Ausdruck »dekatiomsiert« sich auf denfor the splitting of hydrocarbons. lent that the term "decatomized" refers to the Zeolithische Molekularsiebe sind natürliche oder einzigartigen Zustand bezieht, in dem eine wesentlicheZeolitic molecular sieves are natural or unique in an essential state synthetische kristalline Metallaluminosilikate mit weit- Menge, d. h. wenigstens 10°/0, der Aluminiumatomesynthetic crystalline Metallaluminosilikate with far-amount, ie at least 10 ° / 0, the aluminum atoms gehend geordneten AlO4- und SiO4-Tetraedern, die der Aluminosilicatstruktur nicht mit Kationen asso-ordered AlO 4 and SiO 4 tetrahedra, which are not associated with cations in the aluminosilicate structure über Sauerstoffatome vernetzt sind. Die Zwischen- 25 ziiert sind oder, anders ausgedrückt, in dem wenigerare cross-linked via oxygen atoms. The intermediate 25 are adorned or, in other words, in the less räume zwischen den Tetraedern sind vor der Entwässe- als 90°/„ der Aluminiumatome eines Metailalumino-spaces between the tetrahedra are in front of the drainage as 90 ° / "of the aluminum atoms of a Metailalumino- rung durch Wassermoleküle besetzt. Durch Entwässe- silicats mit Kationen assoziiert sind. Zur Erzielung dertion occupied by water molecules. By dewatering silicats are associated with cations. To achieve the rung werden Kristalle erhalten, die von Kanälen von besten katalytischen Wirksamkeit muß der Grad dertion, crystals are obtained from channels of the best catalytic efficiency must be the degree of molekularen Abmessungen durchzogen sind. Diese Dekationisierung wenigstens 30%, vorzugsweise mehr,molecular dimensions are streaked. This decationization at least 30%, preferably more, Kanäle bieten sehr große Oberflächen für die Adsorp- 30 betragen.Channels offer very large surfaces for the Adsorp- 30. tion von Fremdmolekülen, vorausgesetzt, daß die Gegenstand der Erfindung ist ferner die Verwendungtion of foreign molecules, provided that the subject of the invention is also the use Kristallstruktur und damit die öffnungen zu den inne- dieser kristallinen zeolithischen dekationisierten AIn-Crystal structure and thus the openings to the inner crystalline zeolitic decationized Al- ren Adsorptionsbereichen erhalten bleiben. minosilikate als Katalysator für die Spaltung vonren adsorption areas are retained. minosilicates as a catalyst for the cleavage of Die Elektrovalenz des Aluminiums in der Struktur Kohlenwasserstoffen. Weil die Poren der neuenThe electrovalence of aluminum in the hydrocarbon structure. Because the pores of the new ist durch Einbeziehung eines Kations in den Kristall 35 dekationisierten Molekularsiebe gemäß der Erfindungis molecular sieves decationized by the inclusion of a cation in the crystal 35 according to the invention abgesättigt. In synthetischen zeolithischen Molekular- groß genug sind, um die Kohlenwasserstoffmolekülesatiated. In synthetic zeolitic molecular are large enough to contain the hydrocarbon molecules sieben ist dieses Kation meistens ein Alkalimetallkation, zu adsorbieren und die umgelagerten Kohlenwasser-seven, this cation is mostly an alkali metal cation, to adsorb and remove the rearranged hydrocarbons z. B. Natrium oder Kalium oder deren Gemische. Die Stoffmoleküle zu desorbieren, eignen sie sich für diez. B. sodium or potassium or mixtures thereof. The substance molecules desorb, they are suitable for the Kationen der synthetischen oder natürlichen Zeolithe Spaltung sämtlicher Kohlenwasserstoffe, die ganzCations of synthetic or natural zeolites cleavage of all hydrocarbons that are entirely können gegen andere mono-, di- oder trivalente Kat- 40 oder teilweise von den Poren der Molekularsiebe dercan against other mono-, di- or trivalent Kat- 40 or partially from the pores of the molecular sieves of the ionen ausgetauscht werden, deren physikalische Größe neuen Katalysatoren adsorbiert werden. Vor allem beiions are exchanged, the physical size of which is adsorbed by new catalysts. Especially with und Gestalt derart sind, daß sie in die intrakristallinen der hydrierenden Spaltung sind sie den bekanntenand shape are such that they are in the intracrystalline of the hydrative cleavage, they are the known Durchgänge in der Aluminosilikatstruktur diffundie- Katalysatoren überlegen, da sie bei hohen UmsätzenPassages in the aluminosilicate structure are superior to diffusion catalysts because they have high conversions ren. In diesen Fällen wurde stets das ursprüngliche vorwiegend zu den sehr erwünschten C3- und C4-ren. In these cases, the original was always predominantly to the very desirable C 3 - and C 4 - Metallkation entweder durch ein anderes Metall- 45 Kohlenwasserstoffen führen.Metal cation either lead through another metal 45 hydrocarbons. kation oder bei der Behandlung mit Säuren durch Die Wärmebehandlung des Ammonium-ausge-Wasserstoffkation ersetzt. tauschten Molekularsiebs als letzten Schritt des VerGegenstand der Erfindung sind kristalline, zeolithi- fahrens zur Herstellung der neuen dekationisierten sehe, dekationisierte Aluminosilikate mit einem zeolithischen Molekularsiebe kann in situ bei der SiO2-Al2O3-Molverhältnis von mehr als 3, Vorzugs- 50 Spaltung der Kohlenwasserstoffe vorgenommen werweise mehr als 4,5, einem Verhältnis von monovalenten den.cation or in the treatment with acids by the heat treatment of the ammonium from hydrogen cation replaced. Exchanged molecular sieves as the last step of the subject matter of the invention are crystalline, zeolite drives for the production of the new decationized see, decationized aluminosilicates with a zeolitic molecular sieve can in situ at the SiO 2 -Al 2 O 3 molar ratio of more than 3, preferably 50 Cleavage of the hydrocarbons was carried out more than 4.5, a ratio of monovalent den. Kationen zu Aluminiumatomen von weniger als 0,9, An Hand des Beispieles sei die Erfindung näherCations to aluminum atoms of less than 0.9. The invention is closer to the example vorzugsweise weniger als 0,7, einem Aluminosilikat- erläutert:preferably less than 0.7, an aluminosilicate- explained: gerüst, dessen Menge an Sauerstoffatomen um eine Beispiel
den entfernten Kationen äquivalente Menge vermindert 55scaffold whose amount of oxygen atoms is an example
the amount equivalent to the cations removed decreases 55 worden ist und mit einer zur Adsorption von Benzol n-Heptan wurde bei den für die katalytisch^ hy-has been and with a n-heptane for the adsorption of benzene was used for the catalytic ^ hy- ausreichenden Porengröße. drierende Spaltung üblichen Reaktionstemperaturensufficient pore size. drifting cleavage usual reaction temperatures Diese dekationisierten zeolithischen Molekularsiebe einerseits mit einem dekationisierten Zeolith Y, ande-These decationized zeolite molecular sieves on the one hand with a decationized zeolite Y, on the other hand werden beispielsweise nach dem Verfahren der rerseits mit einem handelsüblichen Katalysator umge-are, for example, treated with a commercially available catalyst according to the process deutschen Patentschrift 1184 743 in der Weise herge- 60 setzt. Beide Katalysatoren wurden vorher in Wasser-German patent specification 1184 743 produced in this way. Both catalysts were previously in water stellt, daß man wenigstens 10 % der Metallkationen stoff aktiviert. Die Ergebnisse sind in der nachstehen-provides that at least 10% of the metal cations are activated. The results are in the following eines Molekularsiebes mit einem SiO2-Al2O3-Verhältnis den Tabelle zusammengefaßt.a molecular sieve with an SiO 2 -Al 2 O 3 ratio summarized the table. von mehr als 3 und einer zur Adsorption von Benzol Diese Resultate lassen erkennen, daß der dekat-of more than 3 and one for the adsorption of benzene These results indicate that the decat- ausreichenden Porengröße gegen Ammoniumionen ionisierte Zeolith Y bei niedrigerer Temperatur aktiversufficient Poreng r Oesse ionized ammonium ions Y zeolite at lower temperature active austauscht und das Ammonium-ausgetauschte Mole- 65 war als der handelsübliche Spaltkatalysator. Fernerexchanged and the ammonium-exchanged mole-65 was than the commercially available cracking catalyst. Further kularsieb auf Temperaturen zwischen 350 und 6000C, bestand das Produkt aus den erwünschteren Propan-kularsieb at temperatures between 350 and 600 0 C, the product consisted of the more desirable propane insbesondere 475 und 6000C, erhitzt. Als zeolithisches und Butankomponenten. Die Butanfraktion bestandin particular 475 and 600 0 C, heated. As zeolitic and butane components. The butane fraction passed Molekularsieb wird hierbei bevorzugt von Zeolith Y zum großen Teil aus dem erwünschten Isobutan.Molecular sieve is preferred here for zeolite Y, largely from the desired isobutane.
DE1468748A 1959-12-30 1960-12-29 Crystalline, zeolitic, decomposed aluminosilicates precipitated from 1184743 Expired DE1468748C3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US862764A US3130006A (en) 1959-12-30 1959-12-30 Decationized molecular sieve compositions
DE1184743 1960-12-29

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DE1468748A1 DE1468748A1 (en) 1970-06-18
DE1468748B2 true DE1468748B2 (en) 1973-04-26
DE1468748C3 DE1468748C3 (en) 1973-11-08

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DE1468748A1 (en) 1970-06-18

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Date Code Title Description
SH Request for examination between 03.10.1968 and 22.04.1971
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977