(19)
(11) EP 0 127 664 A1

(12)

(43) Date of publication:
12.12.1984 Bulletin 1984/50

(21) Application number: 84900124.0

(22) Date of filing: 01.12.1983
(51) International Patent Classification (IPC): 
C01B 17/ 56( . )
C01B 17/ 76( . )
C01G 13/ 00( . )
C01B 17/ 74( . )
C01B 17/ 90( . )
(86) International application number:
PCT/SE1983/000419
(87) International publication number:
WO 1984/002122 (07.06.1984 Gazette 1984/14)
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 03.12.1982 SE 19820006918

(71) Applicant: Boliden Aktiebolag
S-114 85 Stockholm (SE)

(72) Inventor:
  • MELKERSSON, Karl-Axel
    S-252 40 Helsingborg (SE)

(74) Representative: Lundin, Björn-Eric, et al 
Trelleborg AB Patents and Trade Marks Box 21024
S-100 31 Stockholm
S-100 31 Stockholm (SE)

   


(54) A METHOD FOR PRODUCING PURE SULPHURIC ACID AND A HIGH-GRADE MERCURY PRODUCT FROM GASES THAT CONTAIN SULPHUR DIOXIDE AND MERCURY