Outotec (Finland) Oy

Amateq Holding Gmbh

Bundesrepublik Deutschland, Vertreten Durch Das Bundesminsiterium Für Wirtschaft Und Energie, Dieses Vertreten Durch Den Präsidenten Der Bam, Bundesanstalt Für Materialforschung Und -Prüfung

Brd, Vertr. D. Den Bundesminister Für Wirtschaft & Energie, Dieser Vertr. D. Den Präsidenten Der Bundesanst. F. Materialforsch. & Prüfung (Bam)

Christian Adam

Gerhard Auer

Ludwig Hermann

Alexander Kehrmann

Jan Hohlmann

Carsten Nass

Jan Stemann

Dirk Stolle

Christopher Hamann

The present application relates to a process for the purification of waste materials or industrial by-products, the process comprising the steps of: a) Preparing a composition (C) by blending or mixing waste materials or industrial by-products comprising chlorine (B) with one or more materials comprising heavy metals (HM) b) Reacting (B) and (HM) by thermal treatment of (C) c) Separating evaporated heavy metal chloride compounds (HMCC) d) Obtaining a solid material after the thermal treatment step.

Process for the purification of waste materials or industrial by-products comprising chlorine

A method of calcination includes providing a raw material including whitlockite Ca(Mg,Fe)[PO(OH)|(PO)], and/or iron phosphate FePO, and/or aluminum phosphate AlPOand/or fluorapatite Ca(PO)F; providing an alkaline-sulfuric compound as an additive; and calcining a mixture of the raw material with the additive to obtain a product, including a citrate soluble phosphate compound.

Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound

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Berlin, Germany

Christian Adam