Global Patent Index - EP 0820531 A1

EP 0820531 A1 19980128 - REUSE OF METALLURGICAL FINES

Title (en)

REUSE OF METALLURGICAL FINES

Title (de)

WIEDERVERWENDUNG VON FEINKÖRNINGEM METALLURGISCHEM GUT

Title (fr)

REUTILISATION DE FINES METALLURGIQUES

Publication

EP 0820531 A1 19980128 (EN)

Application

EP 96908291 A 19960403

Priority

  • DE 19512560 A 19950404
  • DE 19526687 A 19950721
  • DE 19537283 A 19951006
  • GB 9600821 W 19960403

Abstract (en)

[origin: WO9631630A1] Waste material containing heavy metals are mixed with oily mill scale or with reduced iron or fines and with a fine grained carrier material having a low density until a crumbly mixed product results, of which a fine fraction of between 0 and 6 mm in grain size is sievable for injection into a metallurgical furnace. Water may be added to the mixed product using wet carbon-containing slurries. Lime-containing dusts may be added.

IPC 1-7

C22B 7/02; C22B 1/243; C22B 1/245

IPC 8 full level

C22B 1/243 (2006.01); C22B 1/245 (2006.01); C22B 7/02 (2006.01)

CPC (source: EP)

C22B 1/243 (2013.01); C22B 1/245 (2013.01); C22B 7/02 (2013.01); Y02P 10/20 (2015.11)

Citation (search report)

See references of WO 9631630A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 9631630 A1 19961010; AU 5159996 A 19961023; AU 719637 B2 20000511; BR 9604790 A 19980707; CA 2215409 A1 19961010; EP 0820531 A1 19980128; JP H11503201 A 19990323; MX 9707653 A 19980830

DOCDB simple family (application)

GB 9600821 W 19960403; AU 5159996 A 19960403; BR 9604790 A 19961001; CA 2215409 A 19960403; EP 96908291 A 19960403; JP 53009696 A 19960403; MX 9707653 A 19971003