(19)
(11) EP 0 655 986 A1

(12)

(43) Date of publication:
07.06.1995 Bulletin 1995/23

(21) Application number: 93918055.0

(22) Date of filing: 19.08.1993
(51) International Patent Classification (IPC): 
A62D 3/ 36( . )
A62D 101/ 40( . )
C02F 1/ 66( . )
(86) International application number:
PCT/GB1993/001762
(87) International publication number:
WO 1994/004467 (03.03.1994 Gazette 1994/06)
(84) Designated Contracting States:
BE DE ES FR GB IE IT LU NL PT

(30) Priority: 24.08.1992 GB 19920017962

(71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC
London SW1P 3JF (GB)

(72) Inventors:
  • WALSH, Stephen, Patrick, Kieran 29 Limesford Road
    London SE15 3BX (GB)
  • ANNELLS, David, Hugh
    Crowton Cheshire CW8 2TS (GB)
  • HARKIN, John, Joseph
    Manchester M21 1QT (GB)

(74) Representative: Oldroyd, Alan 
Intellectual Property Department ICI Chemicals & Polymers Ltd P.O. Box 11 The Heath
Runcorn Cheshire WA7 4QE
Runcorn Cheshire WA7 4QE (GB)

   


(54) PROCESS AND APPARATUS FOR NEUTRALISATION OF ACID STREAMS