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Catalyst for alkylation of aromatic hydrocarbons

Charles T. Kresge, +3 more
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TLDR
In this paper, a process for the alkylation of aromatics utilizing ZSM-23 catalyst is described, and a particularly preferred embodiment utilizes ZSM23 made from a forming mixture containing amorphous precipitated silica, as a silica source, including trace amounts of alumina and sodium chloride.
Abstract: 
This specification discloses a process for the alkylation of aromatics utilizing ZSM-23 catalyst. A particularly preferred embodiment utilizes ZSM-23 made from a forming mixture containing amorphous precipitated silica, as a silica source, including trace amounts of alumina and sodium chloride.

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Production of ethylbenzene

Pochen Chu, +2 more
TL;DR: In this paper, the zeolite MCM-22 was used for the alkylation of benzene with ethylene in the presence of an alkyl catalyst having a particular structure defined by its X-ray diffraction pattern.
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Liquid phase aromatics alkylation process

Benjamin S. Umansky, +1 more
TL;DR: In this paper, a process for the production of high octane number gasoline from light refinery olefins and benzene-containing aromatic streams such as reformate is described.
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A novel molecular sieve composition emm-12, a method of making and a process of using the same

Wieslaw J. Roth, +4 more
TL;DR: In this article, a molecular sieve comprising a framework of tetrahedral atoms bridged by oxygen atoms is described, with the structure defined by a unit cell with atomic coordinates in nanometers shown in Table 3.
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Reactivation of aromatics alkylation catalysts

Ajit B. Dandekar, +4 more
TL;DR: In this article, a molecular sieve is used for regenerating a spent aromatics alkylation or transalkylation catalyst comprising of a sieve and an oxygen-containing gas.
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Production of alkyl aromatic compounds

Shyh-Yuan Hwang, +6 more
TL;DR: Improved integrated processes for the production of alkyl aromatic compounds are disclosed in this paper where aromatic compounds which may be treated for removal of deleterious substances are reacted with olefin compounds, which are also treated for contaminant removal, in the presence of acidic zeolite catalyst(s).
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Crystalline zeolite y

Donald W Breck
TL;DR: Zeolite Y, having composition expressed in oxide-mole-ratios as 0.9\sB0.2 Na2O : Al2O3 - WSiO2 : XH2 wherein W is 3 to 5, X is 0 to 9, and having a specified X-ray powder diffraction pattern, is prepared by crystallization at 20 DEG to 125 DEG C.
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Zeolites Nu-6(1) and Nu-6(2)

Thomas V. Whittam
TL;DR: New zeolite materials designated Nu-6(1) and Nu6(2) as discussed by the authors have molar compositions expressed by the formula: 0.5 to 1.5 R.sub.2 O:Y 2 O 3 (preferably alumina) and a 4,4'-bipyridyl compound.
Patent

Selective production of para-substituted benzenes

Lewis B. Young
TL;DR: In this paper, a process for the selective production of para-substituted benzene derivatives characterized by the formula: STR1## where R 1 and R 2 are individually methyl or ethyl by alkylation of a mono alkyl benzene wherein the alkyls substituent contains 1 or 2 carbon atoms.