摘要:
A catalyst composition suitable for use in aromatization of non-aromatic hydrocarbons comprises a shape-selective crystalline silicate such as ZSM-5 and a titanometallate-type layered metal oxide comprising a layered metal oxide and pillars of an oxide of at least one element selected from Groups IB, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIA, VIIA and VIIIA of the Periodic Table of the Elements separating the layers of the metal oxide where each layer of the metal oxide has the general formula[M.sub.x .quadrature..sub.y Z.sub.2-(x+y) O.sub.4 ].sup.q-wherein M is at least one metal of valence n wherein n is an integer between 0 and 7, .quadrature.represents a vacancy site, Z is a tetravalent metal, and whereinq=4y-x(n-4)O
摘要翻译:适用于非芳族烃芳构化的催化剂组合物包括形状选择性结晶硅酸盐,例如ZSM-5和金属金属盐型层状金属氧化物,其包含层状金属氧化物和选自以下的至少一种元素的氧化物柱 分离金属氧化物层的元素周期表的IB,IIB,IIIA,IIIB,IVA,IVB,VA,VB,VIA,VIIA和VIIIA,其中每层金属氧化物具有通式[Mx& y Z2-(x + y)O4] q-其中M是价数n的至少一种金属,其中n是0和7之间的整数,并且表示空位,Z是四价金属,并且其中q = 4y- x(n-4)O
摘要:
A catalyst composition suitable for use in aromatization of non-aromatic hydrocarbons comprises a shape-selective crystalline slicate such as ZSM-5 and a titanometallate-type layered metal oxide comprising a layered metal oxide and pillars of an oxide of at least one element selected from Groups IB, IIB, IIIA, IIIB, IVA, IVB, VA, VB, VIA, VIIA and VIIIA of the Periodic Table of the Elements separating the layers of the metal oxide where each layer of the metal oxide has the general formula[M.sub.x .sub.y Z.sub.2-(x+y) O.sub.4 ].sup.q-wherein M is at least one metal of valence n wherein is an integer between 0 and 7, represents a vacancy site, Z is a tetravalent metal, and whereinq=4y-x(n-4)0
摘要翻译:适合用于非芳族烃芳构化的催化剂组合物包括形状选择性晶体切片如ZSM-5和金属金属盐型层状金属氧化物,其包含层状金属氧化物和选自以下的至少一种元素的氧化物柱 分离金属氧化物层的元素周期表的IB,IIB,IIIA,IIIB,IVA,IVB,VA,VB,VIA,VIIA和VIIIA,其中每层金属氧化物具有通式[M x y Z2-(x + y)O4] q-其中M是价数n的至少一种金属,其中0和7之间的整数表示空位,Z是四价金属,并且其中q = 4y-x(n -4)0
摘要:
A process for the catalytic cracking of heavy petroleum fractions into lower hydrocarbons, such as fuel products. The process comprises contacting the petroleum fractions at an elevated temperature with a cracking catalyst comprising (a) a layered metal oxide of the titanometallate type intercalated with an interspathic polymeric chalcogenide, e.g., polymeric silica and, optionally (b) a porous crystalline silicate component such as a large pore zeolite material.
摘要:
A method of activating silicoaluminophosphate (SAPO) compositions by contacting as-synthesized SAPO with hydrated alumina and water, followed by heating to at least 425.degree. C., preferably in nitrogen and then air.
摘要:
A catalytic hydrocracking process for use in refining various petroleum based feedstocks to lighter hydrocarbons. The hydrocracking process for treatment of petroleum fractions utilizes a catalyst comprising (a) a layered metal oxide of the titanometallate type intercalated with an interspathic polymeric chalcogenide, e.g., polymeric silica, (b) a transition hydrogenation metal selected from Group IVA, VIA, and VIIIA of the Periodic Table such as platinum and the like, and optionally, (c) a conventional cracking component, e.g., a large pore crystalline silicate component.
摘要:
A process for converting a C.sub.2 -C.sub.12 paraffinic hydrocarbon feed to aromatics comprising passing the feed through a first conversion zone wherein the feed contacts a noble metal/low acidity medium pore size zeolite catalyst, and then passing the resulting hydrocarbon mixture through a second conversion zone wherein the resulting hydrocarbon mixture contacts a medium pore size acidic zeolite catalyst.
摘要:
A process for isomerization dewaxing of a hydrocarbon feed which includes contacting the hydrocarbon feed with a large pore size, small crystal size, crystalline molecular sieve and an intermediate pore size, small crystal size, crystalline molecular sieve to produce a dewaxed product with a reduced pour point and a reduced cloud point. In a preferred embodiment, the feed is contacted with the molecular sieves sequentially, first with the large pore sieve followed by the intermediate pore sieve.
摘要:
Akylation product is contacted with a purification medium in a liquid phase pre-reaction step to remove impurities and form a purified stream. The purified stream may then be further processed by liquid phase transalkylation to convert the polyalkylated aromatic compound to a monoalkylated aromatic compound. The process may use a large pore molecular sieve catalyst such as MCM-22 as the purification medium in the pre-reaction step because of its high reactivity for alkylation, strong retention of catalyst poisons and low reactivity for oligomerization under the pre-reactor conditions. Olefins, diolefins, styrene, oxygenated organic compounds, sulfur containing compounds, nitrogen containing compounds and oligomeric compounds are removed.
摘要:
A catalyst composition which comprises a crystalline metallosilicate having the structure of zeolite Beta, phosphor and a matrix that is substantially free of crystalline aluminum phosphate which has improved resistance to steam deactivation which has higher cracking activity than analogous catalysts prepared without phosphorus. The crystalline metallosilicate be used in the as-synthesized form or in the calcined form. included is the method to produce the catalyst composition and methods for the use of catalysts prepared by the present method in organic conversion processes. Specific embodiments of the invention involve various techniques for preparation of catalyst containing phosphorus and crystalline metallosilicates having the structure of zeolite Beta. Catalysts prepared according to the method of this invention are useful for organic compound, e.g., hydrocarbon compound, conversion processes. Organic compound conversion processes include cracking, hydrocracking, and transalkylation, among others.
摘要:
This invention relates the use of a catalyst composition having the structure of ZSM-5 and a matrix material, which has been manufactured by a new and useful method, for organic compound, e.g., hydrocarbon compound, conversion. The organic compound conversion processes described include catalytic cracking, gasoline hydrofinishing, toluene disproportionation, xylene isomerization, and ethylbenzene production.