US 20080290033A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2008/0290033 A1 Kimball et al. (43) Pub. Date: Nov. 27, 2008

(54) METHOD AND APPARATUS FOR RECOVERY Publication Classification OF WATER CONTAINING SILCA (51) Int. Cl. (75) Inventors: Robert J. Kimball, Helena, MT CO2F I/44 (2006.01) (US); Kenneth A. Klinko, San CO2F I/72 (2006.01) Diego, CA (US) CO2F L/70 (2006.01) gO, CO2F I/68 (2006.01) Correspondence Address: (52) U.S. Cl...... 210/652; 210/639; 210/198.1 JOHN J. BROOKS, III 2O WYSTERAWAY (57) ABSTRACT WRENTHAM, MA 02093 (US) Disclosed are embodiments of a method and apparatus for the treatment of water containing silica in order to recover as (73) Assignee: CAMP DRESSER & MCKEE, much treated water from a water source as possible while INC., Cambridge, MA (US) minimizing the generation of waste products. Other embodi ments include removing specific elements from the water (21) Appl. No.: 12/126,326 Source and utilizing those elements. Embodiments of the method and apparatus uses in-line physical and physio (22) Filed: May 23, 2008 chemical treatment methods to remove potential biological, colloidal and hardness foulants continually so that there is Related U.S. Application Data minimal loss of water from the water source stream and (60) Provisional application No. 60/940,386, filed on May minimal addition of chemicals to accomplish removal or 25, 2007. reduction of these potential recovery-limiting foulants.

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