METHOD FOR PREPARING AMMONIUM METATUNGSTATE

To provide a method for preparing ammonium metatungstate using a reverse osmosis cell.SOLUTION: A method for preparing ammonium metatungstate (AMT) is characterized in that an aqueous ammonium metatungstate solution (A) is passed through at least one reverse osmosis cell to obtain a concentrate (C)...

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Hauptverfasser:	TOBIAS SCHROEER, TINO SAEUBERLICH, JULIA MEESE-MARKTSCHEFFEL, ARMIN OLBRICH, ANJA WEILAND, JUERGEN MUELLER, FRANK VAN DER PUETTEN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide a method for preparing ammonium metatungstate using a reverse osmosis cell.SOLUTION: A method for preparing ammonium metatungstate (AMT) is characterized in that an aqueous ammonium metatungstate solution (A) is passed through at least one reverse osmosis cell to obtain a concentrate (C) and a permeate (P).SELECTED DRAWING: Figure 1 【課題】逆浸透セルを使用してメタタングステン酸アンモニウムを製造するための方法を提供する。【解決手段】メタタングステン酸アンモニウム水溶液（Ａ）を少なくとも１つの逆浸透セルに通して、濃縮液（Ｃ）および透過液（Ｐ）を得ることを特徴とする、メタタングステン酸アンモニウム（ＡＭＴ）の製造方法である。【選択図】図１