Kellogg Brown + Root LLC

Matthew R Ulrich

Eric Wing-Tak Wong

Theodor Robert Wilks

Faisal Mohmand

Eric Wong

Methods and systems for purifying a crude aniline. The method can include contacting a crude aniline that can include aniline, water, and cyclohexanone with a cation exchange resin to produce a cyclohexanone-lean product that contains less cyclohexanone than the crude aniline. The cation exchange resin can be a solid, a semi-solid, or a combination thereof.

Promotion of imine formatin via cationic resin catalyst

Systems and methods for producing aromatic amines and removing phenol therefrom are provided. The method can include hydrogenating one or more aromatic nitro compounds to produce a reaction product comprising one or more aromatic amines, water, and phenol. The method can also include contacting the reaction product with one or more ion exchange materials to produce an aromatic amine product that contains less phenol than the reaction product. The one or more ion exchange materials can be solid, semi-solid, or a combination thereof.

Growing community of inventors

Katy, TX, United States of America

Matthew R Ulrich