CX-002879: Categorical Exclusion Determination

Em-31 Phosphate ManagementCX(s) Applied: B3.6Date: 06/09/2010Location(s): Aiken, South CarolinaOffice(s): Environmental Management, Savannah River Operations Office

Office of NEPA Policy and Compliance

June 9, 2010
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Em-31 Phosphate Management
CX(s) Applied: B3.6
Date: 06/09/2010
Location(s): Aiken, South Carolina
Office(s): Environmental Management, Savannah River Operations Office


This task will investigate the precipitation/crystallization of phosphate from solution as sodium salts. Two general approaches will be considered: 1) precipitation/crystallization by controlled lowering of the temperature of super-saturated solutions and 2) precipitation as double salts, such as the sodium fluorophosphate double salt, Na7F(PO4)2-19H2O. In both cases, evaporation may be considered as a means to increase the yield of phosphate precipitation. Simplified solutions will be produced by dissolving various concentrations of sodium phosphate in sodium hydroxide solutions.

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