PROCESS FOR PREPARING AN ADSORBENT FOR PHOSPHATE IN AQUEOUS MEDIUM

It relates to a process forproducing an adsorbent for adsorbing phosphate from aqueous medium comprising polynuclear iron (III) oxy-hydroxidestabilized by at least one constituent that inhibits ageing of the iron (III) oxy-hydroxidewhich is based on carrying out the desalinization step process by ta...

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Bibliographische Detailangaben
Hauptverfasser:	MARQUILLAS OLONDRIZ, Francisco de Asís, POMARES MARCO, Marta, SALAET FERRÉ, Josep, GIRBAU CAPELLA, Berta
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	It relates to a process forproducing an adsorbent for adsorbing phosphate from aqueous medium comprising polynuclear iron (III) oxy-hydroxidestabilized by at least one constituent that inhibits ageing of the iron (III) oxy-hydroxidewhich is based on carrying out the desalinization step process by tangential-flow filtration using tubular filtration membranesto remove salts from the system in the permeate and where the retentate is recirculated to the feed tank. Recirculation of the retentate improves salt separation effectiveness.