(19)
(11)
EP 0 063 134 A1
(12)
(43)
Date of publication:
27.10.1982
Bulletin 1982/43
(21)
Application number:
81902858.0
(22)
Date of filing:
16.10.1981
(51)
International Patent Classification (IPC):
C01G
1/
06
( . )
C22B
1/
10
( . )
C22B
1/
08
( . )
(86)
International application number:
PCT/SE1981/000305
(87)
International publication number:
WO 1982/001381
(
29.04.1982
Gazette 1982/11)
(84)
Designated Contracting States:
AT CH DE FR GB LI LU NL
(30)
Priority:
22.10.1980
SE 19800007416
(71)
Applicant:
Boliden Aktiebolag
S-114 85 Stockholm (SE)
(72)
Inventors:
BÄCK, Erik Gustav
S-252 60 Helsingborg (SE)
EKMAN, Douglas Sewerin
S-253 72 Helsingborg (SE)
(54)
A METHOD FOR THE CHLORINATING REFINEMENT OF IRON RAW MATERIALS