PROCESS FOR SOLUTE RECOVERY UTILIZING RECYCLE LIQUIDS HAVING A STORED CONCENTRATION PROFILE

Solute, especially copper, is recovered from a dilute solution by an adsorptive solute recovery process that, during elution of the absorbent bed, stores for recycling donor and receiver portions of effluent from the bed that range in concentration from barren to just less than product concentration...

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Bibliographische Detailangaben
Hauptverfasser:	DOUGLAS C. GREMINGER, GONZALO GARCIA-HUIDOBRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	Solute, especially copper, is recovered from a dilute solution by an adsorptive solute recovery process that, during elution of the absorbent bed, stores for recycling donor and receiver portions of effluent from the bed that range in concentration from barren to just less than product concentration and just less than product concentration to barren, respectively. The donor and receiver liquids are stored such that their solute concentration profiles as they leave the bed are maintained. The donor liquid is recycled through the adsorbent bed just prior to elution while the bed is treated with the receiver liquid after elution. Steady state operation is established after a number of loading and elution cycles, resulting in improved recovery of solute, reduced recycle rates and lower adsorbent inventory requirements.