Global Patent Index - EP 1017646 A1

EP 1017646 A1 20000712 - METHOD FOR CRUSHING AND REDUCING SLAG CONTAINING METAL OXIDE

Title (en)

METHOD FOR CRUSHING AND REDUCING SLAG CONTAINING METAL OXIDE

Title (de)

VERFAHREN ZUM ZERKLEINERN UND REDUZIEREN VON METALLOXIDHALTIGEN SCHLACKEN

Title (fr)

PROCEDE DE FRAGMENTATION ET DE REDUCTION DE SCORIES CONTENANT UN OXYDE METALLIQUE

Publication

EP 1017646 A1 20000712 (DE)

Application

EP 99927577 A 19990624

Priority

  • AT 9900167 W 19990624
  • AT 110098 A 19980624

Abstract (en)

[origin: WO9967182A1] The invention relates to a method for crushing and reducing slag containing metal oxide for producing latently hydraulic binders, clinker or cement additives. According to said method the slag containing metal oxide is introduced into a jet mill together with reducing agents, notably carbon carriers, and the jet mill (1) is operated with hot waste gases.

IPC 1-7

C04B 7/14; B02C 19/06

IPC 8 full level

C04B 7/14 (2006.01); C21B 3/06 (2006.01)

CPC (source: EP)

C04B 7/14 (2013.01); C21B 3/06 (2013.01); C21B 2400/026 (2018.07); C21B 2400/062 (2018.07); C21B 2400/068 (2018.07); Y02P 40/10 (2015.11); Y02W 30/50 (2015.05)

Citation (search report)

See references of WO 9967182A1

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU

DOCDB simple family (publication)

WO 9967182 A1 19991229; AT 406369 B 20000425; AT A110098 A 19990915; EP 1017646 A1 20000712

DOCDB simple family (application)

AT 9900167 W 19990624; AT 110098 A 19980624; EP 99927577 A 19990624