Mobil Oil Corporation

Exxonmobil Chemical Patents Inc.

Exxonmobil Oil Corporation

Michael Alan Better

Jonathan E Child

Sergei Yurchak

Tomas R Melli

Ajit Bhaskar Dandekar

Kenneth J Del Rossi

Anagha A Gupte

Stephen Harold Brown

John P McWilliams

Charles Morris Smith

William Alois Weber

Charles Morris Yarbrough

Seth McConkie Washburn

C Morris Smith

Michael Alan Steckel

Dennis Jay Davoren

Rafi Jalkian

Wei-Ping Tai

Edward H Edelson

Jane Chi Ya Cheng

The invention is directed to improvements in the indirect hydration process for the production of alcohols that enable high alcohol yield by increasing ether recycle in an olefin hydration process, such as the hydration process to produce isopropyl alcohol (IPA) from propylene or the hydration process to produce sec-butyl alcohol (SBA) from butylene.

Olefin hydration process

The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least partial liquid phase conditions and in the presence of a transalkylation catalyst to produce the monoalkylated aromatic compound, wherein the transalkylation catalyst comprises a mixture of at least two different crystalline molecular sieves, wherein each of said molecular sieves is selected from zeolite beta, zeolite Y, mordenite and a material having an X-ray diffraction pattern including d-spacing maxima at 12.4&#xb1;0.25, 6.9&#xb1;0.15, 3.57&#xb1;0.07 and 3.42&#xb1;0.07 Angstrom.

Alkylaromatics production

A process for alkylating an alkylatable aromatic compound is disclosed, in which the process includes: The process provides comparable rejuvenation of catalyst activity as air rengenaration with minimal or no increase in amounts of undesirable byproducts such as polypropylbenzenes in the case of benzene alkylation with propylene.

Regeneration of aromatic alkylation catalysts using hydrocarbon stripping

The present invention provides a method for separating conjunct polymers and sulfolane from a mixture containing conjunct polymers, sulfolane, and hydrofluoric acid comprising the sequential steps of:

Sulfolane purification method

This invention provides a method for separating ASO from a mixture containing ASO, HF and sulfolane comprising the steps of:

Method for regenerating HF/sulfolane alkylation catalyst

The present invention provides a method for separating conjunct polymers which are formed as byproducts of acid catalyzed isoparaffin-olefin alkylation and sulfolane from a mixture containing conjunct polymers, sulfolane, and hydrofluoric acid comprising the sequential steps of:

Sulfolane purification by hydrocarbon extraction

Growing community of inventors

Kingwood, TX, United States of America

Michael Alan Better