Raatz Francis (Rueil Malmaison FRX) Petit Laurent (Les Mureaux FRX) Marcilly Christian (Houilles FRX) Bournonville Jean-Paul (Cergy Pontoise FRX) Travers Christine (Rueil Malmaison FRX) Dufresne Pier
출원인 / 주소
Institut Francais du Petrole (Rueil-Malmaison FRX 03)
인용정보
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2인용 특허 :
1
초록▼
The present invention concerns a new decationized, dealuminated and stabilized zeolite of L type, characterized particularly by: a total SiO2/Al2O3 molar ratio of at least 8, a potassium content lower than 2.9% by weight, parameters a and c of the elementary mesh respectively lower than 1.836 nm and
The present invention concerns a new decationized, dealuminated and stabilized zeolite of L type, characterized particularly by: a total SiO2/Al2O3 molar ratio of at least 8, a potassium content lower than 2.9% by weight, parameters a and c of the elementary mesh respectively lower than 1.836 nm and 0.754 nm, a nitrogen adsorption capacity at 77 K, for a partial pressure P/Ps of 0.19, higher than 11% by weight, a benzene adsorption capacity at 30°C., for a partial pressure P/Ps of 0.25, higher than 8.5% by weight, and a lattice of mesopores whose radii, measured by nitrogen adsorption-desorption at 77 K according to the BJH method, range from 0.8 nm to 20 nm.
대표청구항▼
A catalyst containing by weight: (a) about 20-98% of a matrix selected from the group consisting of at least alumina, silica-alumina, alumina-boron oxide, magnesia, silica-magnesia, zirconia, titanium oxide, clay, (b) about 2-80% of a L zeolite having a total SiO2/Al2O3 molar ratio at least equal to
A catalyst containing by weight: (a) about 20-98% of a matrix selected from the group consisting of at least alumina, silica-alumina, alumina-boron oxide, magnesia, silica-magnesia, zirconia, titanium oxide, clay, (b) about 2-80% of a L zeolite having a total SiO2/Al2O3 molar ratio at least equal to 8, a potassium content lower than 2.9% by weight, a sodium content lower than 0.5% by weight, crystalline parameters a and c respectively lower than 1.836 nm and 0.754 nm, a nitrogen adsorption capacity, measured at 77 K under a P/Ps partial pressure of 0.19, higher than 11% by weight, a benzene adsorption capacity, determined at 30°C. under a P/Ps partial pressure of 0.25, higher than 8.5% by weight, said L zeolite having a lattice of secondary pores (mesopores) of radii ranging from 0.8 nm to 20 nm, the volume of the secondary pores amounting to 5-70% of the total pore volume. (c) at least one metal or compound of metal selected from the group consisting of the noble or non noble metals from group VIII of the periodic classification of the elements, the concentration of the one or more noble metals from group VIII, expressed as weight of said metal(s), ranging from 0.01 to 5%, the concentration of the one or more non noble metal(s) from group VIII, expressed as weight of said metal(s), ranging from 0.01 to 15%. In a catalytic hydrocarbon hydrocracking process, the improvement which comprises employing as the catalyst, the catalyst composition of claim 1.
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이 특허에 인용된 특허 (1)
Field, Leslie A., Pretreatment method for increasing conversion of reforming catalyst.
Tonkovich,Anna Lee; Qiu,Dongming; Dritz,Terence Andrew; Neagle,Paul; Litt,Robert Dwayne; Arora,Ravi; Lamont,Michael Jay; Pagnotto,Kristina M., Process for separating nitrogen from methane using microchannel process technology.
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