Edward F. Pittman
Engineering at Lancelot Dr, Baton Rouge, LA
License number
Louisiana EI.0005591
Issued Date
Jan 1, 1900
Expiration Date
Mar 31, 2008
Category
Civil Engineer
Address
Address
2634 Lancelot Dr, Baton Rouge, LA 70816
Professional information
Process For The Manufacture Of Calcium Chloride
US Patent:
4704265, Nov 3, 1987
Filed:
Aug 15, 1986
Appl. No.:
6/896687
Inventors:
James V. Krohn - Houston TX
Melvin J. Heidner - Baton Rouge LA
Edward F. Pittman - Baton Rouge LA
Landon S. Roberts - Lake Jackson TX
Melvin J. Heidner - Baton Rouge LA
Edward F. Pittman - Baton Rouge LA
Landon S. Roberts - Lake Jackson TX
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
C01F 1128
US Classification:
423497
Abstract:
This invention relates to a process for the production of an aqueous calcium chloride solution, which process comprises: locating a charge of calcium carbonate within a reaction vessel; and contacting an aqueous solution containing hydrochloric acid with the calcium carbonate charge to produce carbon dioxide and the aqueous calcium chloride solution. The carbon dioxide produces a foam at the top of the aqueous calcium chloride solution and entrains therewithin at least a portion of any fines contained in such solution. In one embodiment, the fines are removed from the reaction system by allowing the foam and its entrained fines to overflow the reaction vessel. In another embodiment, removal of the fines is achieved by providing a foam reservoir into which the foam and its entrained fines continuously enter and a defoaming mechanism for breaking down the entering foam.