SORBENTS FROM IRON-RICH AND ALUMINIUM-RICH STARTING MATERIALS

SORBENTS FROM IRON-RICH AND ALUMINIUM-RICH STARTING MATERIALS

A method of manufacturing a sorbent material is described, to include mixing a first granular material containing iron and a second granular material containing aluminum hydroxide. The first granular material and the second granular material are mixed in a proportion such that a ratio of Fe to Al is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JENNÉ, Rika, PELEMAN, Gisèle, BERGMANS, Jef, MICHIELSEN, Bart, BROOS, Kris
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
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:A method of manufacturing a sorbent material is described, to include mixing a first granular material containing iron and a second granular material containing aluminum hydroxide. The first granular material and the second granular material are mixed in a proportion such that a ratio of Fe to Al is between 0.5 and 3.5 by weight. The second granular material has an Al content (including aluminum hydroxide phases) of at least 30% by weight. The mixture is subjected to a thermal treatment at a temperature between 400° C. and 950° C. to obtain a sorbent material comprising a first phase rich in iron oxides bound by a matrix rich in aluminum oxide, and the obtained sorbent material has a compressive strength of at least 3 MPa.