EP 1554223 A1 20050720 - SLUDGE TREATMENT METHOD
Title (en)
SLUDGE TREATMENT METHOD
Title (de)
SCHLAMMBEHANDLUNGSVERFAHREN
Title (fr)
PROCEDE DE TRAITEMENT DE BOUES
Publication
Application
Priority
- EP 0311671 W 20031016
- FR 0212952 A 20021016
Abstract (en)
[origin: WO2004035490A1] The invention relates to a method of treating sludge containing heavy metals and organic matter, whereby sludge foaming is activated and the sludge is subsequently dried.
IPC 1-7
IPC 8 full level
C02F 11/00 (2006.01); C02F 11/06 (2006.01); C02F 11/16 (2006.01)
CPC (source: EP KR US)
C02F 1/542 (2013.01 - KR); C02F 11/00 (2013.01 - EP US); C02F 11/008 (2013.01 - EP KR US); C02F 11/06 (2013.01 - EP KR US); C02F 11/16 (2013.01 - EP KR US); C02F 2101/20 (2013.01 - KR); C02F 2209/01 (2013.01 - EP KR US); Y02W 10/40 (2015.05 - EP KR US)
Citation (search report)
See references of WO 2004035490A1
Citation (examination)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004035490 A1 20040429; AU 2003276133 A1 20040504; AU 2003276133 B2 20090611; BR 0315261 A 20050823; BR 0315261 B1 20120110; CA 2501960 A1 20040429; CA 2501960 C 20120320; CN 100355676 C 20071219; CN 1705619 A 20051207; EP 1554223 A1 20050720; FR 2845983 A1 20040423; FR 2845983 B1 20060203; JP 2006502848 A 20060126; JP 2011025245 A 20110210; JP 5331080 B2 20131030; KR 101016233 B1 20110225; KR 20050048683 A 20050524; PL 209926 B1 20111130; PL 376350 A1 20051227; RU 2005114519 A 20060210; RU 2332363 C2 20080827; UA 79996 C2 20070810; US 2005258105 A1 20051124; US 7344489 B2 20080318
DOCDB simple family (application)
EP 0311671 W 20031016; AU 2003276133 A 20031016; BR 0315261 A 20031016; CA 2501960 A 20031016; CN 200380101549 A 20031016; EP 03808733 A 20031016; FR 0212952 A 20021016; JP 2004544283 A 20031016; JP 2010227510 A 20101007; KR 20057006296 A 20031016; PL 37635003 A 20031016; RU 2005114519 A 20031016; UA 2005004497 A 20031016; US 53145405 A 20050414