Enhancing water treatment recovery from retention pond at fertilizer plants

Un sistema para el tratamiento de agua residual que contiene fosfato comprende un subsistema de pretratamiento que incluye una cámara de mezcla configurada para mezclar una sal a base de potasio con el agua residual para precipitar K2SiF6 en el agua residual, un separador de sólidos-líquido para separar el K2SiF6 precipitado del agua residual y formar un agua residual pretratada, y una cámara de mezcla para diluir el agua residual pretratada con agua residual en bruto, y un subsistema de filtración que incluye una primera filtración configurada para recibir el agua residual pretratada y retirar partículas para formar un primer efluente, una segunda unidad de filtración retira iones divalentes del primer efluente y forma un segundo efluente, y una tercera unidad de filtración configurada para retirar sólidos disueltos adicionales del segundo efluente y forma un tercer efluente adecuado para la descarga al entorno. A system for the treatment of phosphate-containing wastewater comprises a pretreatment subsystem including a mixing chamber configured to mix a potassium-based salt with the wastewater to precipitate K2SiF6 from the wastewater, a solids-liquid separator to separate the precipitated K2SiF6 from the wastewater and form a pretreated wastewater, and a mixing chamber to dilute the pretreated wastewater with raw wastewater, and a filtration subsystem including a first filtration configured to receive the pretreated wastewater and remove particles to form a first effluent, a second filtration unit remove divalent ions from the first effluent and form a second effluent, and a third filtration unit configured to remove additional dissolved solids from the second effluent and form a third effluent suitable for discharge to the environment. A system for the treatment of phosphate-containing wastewater comprises a pretreatment subsystem including a mixing chamber configured to mix a potassium-based salt with the wastewater to precipitate K2SiF6 from the wastewater, a solids-liquid separator to separate the precipitated K2SiF6 from the wastewater and form a pretreated wastewater, and a mixing chamber to dilute the pretreated wastewater with raw wastewater, and a filtration subsystem including a first filtration configured to receive the pretreated wastewater and remove particles to form a first effluent, a second filtration unit remove divalent ions from the first effluent and form a second effluent, and a third filtration unit configured to remove additional