(19)
(11) EP 0 022 839 A1

(12)

(43) Date of publication:
28.01.1981 Bulletin 1981/04

(21) Application number: 80900266.0

(22) Date of filing: 18.01.1980
(51) International Patent Classification (IPC): 
C01C 3/ 08( . )
C02F 1/ 58( . )
C25D 21/ 20( . )
C02F 1/ 52( . )
C22B 3/ 44( . )
(86) International application number:
PCT/BR1980/000002
(87) International publication number:
WO 1980/001563 (07.08.1980 Gazette 1980/18)
(84) Designated Contracting States:
FR

(30) Priority: 29.01.1979 BR 19790000702

(71) Applicants:
  • PEUSER, Michael Franz-Xaver
    Sao Paulo 04601 (BR)
  • BARTOLO, Jose Benedito
    Diadema Sao Paulo 09900 (BR)

(72) Inventors:
  • PEUSER, Michael Franz-Xaver
    Sao Paulo 04601 (BR)
  • BARTOLO, Jose Benedito
    Diadema Sao Paulo 09900 (BR)

(74) Representative: Derambure, Christian 
Cabinet Bouju Derambure (Bugnion) S.A., 52, rue de Monceau
F-75008 Paris
F-75008 Paris (FR)

   


(54) RECUPERATION OF CYANIDES FROM RINSING SOLUTIONS OF CYANIDRIC PROCESSES FOR ELECTRODEPOSITION OF METALS