David L. Porter
Engineering at Meadowbrook Ave, Baton Rouge, LA
License number
Louisiana EI.0003865
Issued Date
Jan 1, 1900
Category
Civil Engineer
Address
Address
7349 Meadowbrook Ave, Baton Rouge, LA 70810
Professional information
Control Systyems Designer At Jacobs Engineering
Position:
Control Systyems Designer at Jacobs Engineering
Location:
Baton Rouge, Louisiana Area
Industry:
Design
Work:
Jacobs Engineering
-
Control Systyems Designer
Purification Of Alkali Metal Hydroxides
US Patent:
4372924, Feb 8, 1983
Filed:
May 27, 1980
Appl. No.:
6/153351
Inventors:
David L. Porter - Baton Rouge LA
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
C01D 104
US Classification:
423179
Abstract:
A method to purify an aqueous solution of an alkali metal hydroxide by countercurrently contacting the ammonia and hydroxide, in a volume ratio of about 0. 6 to 1 to about 1 to 1, in a packed bed. The temperature in the lower portion of an extractor in which the process is carried out is controlled and maintained within a range of at least about 155. degree. to about 170. degree. F.