Huntsman International LLC

Ramon Scheffer

Rabah Mouazer

Johannes Lodewijk Koole

A process according to the invention is a process to separate an initial fluid stream comprising phosgene and hydrogen chloride in at least a first and a second fluid stream, said first fluid stream being a hydrogen chloride enriched and phosgene depleted gaseous stream, said second fluid stream being a hydrogen chloride depleted and phosgene enriched stream. The separation is performed by feeding said initial fluid stream to a membrane separation unit, said membrane separation unit separating said initial fluid stream in a first and a second fluid stream.

Process to separate phosgene and hydrogen chloride from a fluid stream comprising phosgene and hydrogen chloride

A method for removing methylene-bridged polyphenyl polyamines from an aqueous stream comprising said methylene-bridged polyphenyl polyamines according to the invention comprises the steps of The method further comprises, before bringing the aqueous stream and organic stream in contact with the membrane, the step of wetting the membrane with a liquid having a surface tension of less than 40 mN/m.

Growing community of inventors

Baton Rouge, LA, United States of America

Ramon Scheffer