EP 0406929 B1 19950322 - Process for removing thallium from lead.
Title (en)
Process for removing thallium from lead.
Title (de)
Verfahren zum Entfernen von Thallium aus Werkblei.
Title (fr)
Procédé pour séparer le thallium du plomb d'oeuvre.
Publication
Application
Priority
DE 3922073 A 19890705
Abstract (en)
[origin: EP0406929A1] The thallium content of crude lead is reduced by stirring in iron chloride with the production of a thallium-containing salt slag.
IPC 1-7
IPC 8 full level
C22B 13/06 (2006.01); C22B 61/00 (2006.01)
CPC (source: EP KR)
C22B 13/06 (2013.01 - EP); C22B 13/08 (2013.01 - KR); C22B 61/00 (2013.01 - EP)
Designated contracting state (EPC)
DE
DOCDB simple family (publication)
EP 0406929 A1 19910109; EP 0406929 B1 19950322; BR 9003188 A 19910827; CA 2020412 A1 19910106; CN 1026800 C 19941130; CN 1049380 A 19910220; DE 3922073 A1 19910117; DE 59008744 D1 19950427; KR 910003127 A 19910226
DOCDB simple family (application)
EP 90201550 A 19900615; BR 9003188 A 19900705; CA 2020412 A 19900704; CN 90106527 A 19900704; DE 3922073 A 19890705; DE 59008744 T 19900615; KR 900010084 A 19900704