SYNTHESIS OF HETEROPOLYACIDS
Application IN/PCT/2001/00689/MUM published 2006-06-16, filed 2001-06-12
The invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic solvent, characterized in that the organic solvent comprises a dihydrocarbyl ether having at least 5 carbon atoms. Drawing: NIL Total Pages: 24
Applicant
BP CHEMICALS LIMITED
BRITANNIC HOUSE, 1, FINSBURY CIRCUS, LONDON EC2M 7BA, UNITED KINGDOM
Inventor
1. MARTIN PHILIP ATKINS 2. BENJAMIN PATRICK GRACEY 3. JAMES NOEL MARTIN HEGARTY 4. MARK ROYSTON SMITH
International Info
Classification: C01G 39/00, 41/00, C01B 26/16
Publication Number: WO 00/37361
Application Date: 1999-11-26
Priority Information
9828020.9 GREAT-BRITAIN 1998-12-18