Global Patent Index - EP 0722777 B1

EP 0722777 B1 2000-05-31 - Method for processing slag from waste incineration plants

Title (en)

Method for processing slag from waste incineration plants

Title (de)

Verfahren zum Aufbereiten von Schlacke aus Müllverbrennungsanlagen

Title (fr)

Procédé de traitement de scories provenant d'installations d'incinération de déchets

Publication

EP 0722777 B1 (DE)

Application

EP 95810783 A

Priority

  • DE 19501830 A
  • DE 19508293 A

Abstract (en)

[origin: EP0722777A1] The method involves raw slag being separated into at least two fractions and the first fraction has a particle size of up to 80 mm, pref. 32 mm in a first phase. The screen overflow from the first phase is supplied to the wet slag separator (4). The through-fall through the screen and through the fire rack is sent to a second screen phase (5) to separate the fine material. The screen overflow from the second phase is mechanically pulverised after sorting out the metal and inert materials and the through-fall from the second phase is sent to a melting furnace (7) for separate processing. A third screen phase (8) can be included.

IPC 1-7 (main, further and additional classification)

B03B 9/04

IPC 8 full level (invention and additional information)

B03B 9/04 (2006.01); C04B 5/00 (2006.01)

CPC (invention and additional information)

B03B 9/04 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IT LI NL PT SE

EPO simple patent family

EP 0722777 A1 19960724; EP 0722777 B1 20000531; AT 193466 T 20000615; DK 0722777 T3 20001009; ES 2148466 T3 20001016; JP 4149529 B2 20080910; JP H08229430 A 19960910; KR 100404642 B1 20040128; NO 309365 B1 20010122; NO 960233 A 19960722; NO 960233 D0 19960119; PT 722777 E 20001130; TW 277101 B 19960601; US 5671688 A 19970930

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