Zenart J Dziadyk

US Patent:

20080003172, Jan 3, 2008

Filed:

Jun 29, 2006

Appl. No.:

11/478467

Inventors:

Zenart Dziadyk - Lancaster NY, US
Paul F. Kunkel - Cheektowaga NY, US
Charles Redmon - Orchard Park NY, US
Robert Smith - Kinnelon NJ, US

Assignee:

Honeywell International Inc. - Morristown NJ

International Classification:

C01B 7/19
C01G 28/02

US Classification:

423484, 423617

Abstract:

Provided is a method for treating an aqueous feed stream containing an admixture of hexafluoroarsenic acid, or any salt thereof, and hydrogen fluoride, by contacting the feed stream with a counter-current stream of steam to remove substantially all of the hydrogen fluoride from the feed stream, and optionally to heat the feed stream. Further, provided is a method for continuously converting hexafluoroarsenic acid in an aqueous admixture, or any salt thereof, into arsenic acid by contacting the admixture with a counter-current stream of steam.

Address:

25 Willow Rdg Ln, Lancaster, NY 14086

Phone:

7166561753

VIN:

1G6KD57YX8U201580

Make:

CADILLAC

Model:

DTS

Year:

2008