EP 2464609 A1 20120620 - ENHANCED HIGH WATER RECOVERY MEMBRANE PROCESS
Title (en)
ENHANCED HIGH WATER RECOVERY MEMBRANE PROCESS
Title (de)
VERBESSERTES MEMBRANVERFAHREN MIT HOHER WASSERRÜCKGEWINNUNG
Title (fr)
PROCÉDÉ À MEMBRANE AMÉLIORÉ À RÉCUPÉRATION D EAU ÉLEVÉE
Publication
Application
Priority
- AU 2009210363 A 20090815
- CA 2010001240 W 20100811
Abstract (en)
[origin: WO2011020176A1] Disclosed is an economical process for the purification of water containing soluble and sparingly soluble inorganic compounds using single-stage or two-stage membrane processes that integrate membrane water purification with chemical precipitation softening and residual hardness and silica removal from the membrane concentrates using ion exchange resins and silica sequestering media, respectively. The purified water recovery in the present invention will not be adversely affected by design and/or operational deficiencies in the chemical precipitation softening system that may result in higher residual hardness and silica in the supernatant from the clarifier
IPC 8 full level
C02F 9/00 (2006.01); B01D 61/02 (2006.01); C02F 1/42 (2006.01); C02F 1/44 (2006.01); B01D 61/04 (2006.01); C02F 1/00 (2006.01); C02F 1/28 (2006.01); C02F 1/40 (2006.01); C02F 1/52 (2006.01); C02F 1/60 (2006.01); C02F 1/64 (2006.01); C02F 1/66 (2006.01); C02F 5/00 (2006.01); C02F 5/08 (2006.01)
CPC (source: EP US)
B01D 61/029 (2022.08 - EP US); B01D 61/04 (2013.01 - EP); C02F 9/00 (2013.01 - EP); B01D 2311/04 (2013.01 - EP); B01D 2311/08 (2013.01 - EP); C02F 1/004 (2013.01 - EP); C02F 1/281 (2013.01 - EP); C02F 1/40 (2013.01 - EP); C02F 1/44 (2013.01 - EP); C02F 1/441 (2013.01 - EP); C02F 1/442 (2013.01 - EP); C02F 1/52 (2013.01 - EP); C02F 1/5236 (2013.01 - EP); C02F 1/60 (2013.01 - EP); C02F 1/645 (2013.01 - EP); C02F 1/66 (2013.01 - EP); C02F 5/083 (2013.01 - EP); C02F 2001/007 (2013.01 - EP); C02F 2001/425 (2013.01 - EP); C02F 2301/043 (2013.01 - EP); C02F 2301/046 (2013.01 - EP); C02F 2301/08 (2013.01 - EP); C02F 2303/22 (2013.01 - EP); C02F 2303/24 (2013.01 - EP)
C-Set (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2011020176 A1 20110224; BR 112012003296 A2 20190924; CN 102656122 A 20120905; CN 102656122 B 20140528; EP 2464609 A1 20120620; EP 2464609 A4 20141008; IN 1222DEN2012 A 20150410; MX 2012001949 A 20120725; SG 178334 A1 20120329
DOCDB simple family (application)
CA 2010001240 W 20100811; BR 112012003296 A 20100811; CN 201080036024 A 20100811; EP 10809390 A 20100811; IN 1222DEN2012 A 20120209; MX 2012001949 A 20100811; SG 2012009056 A 20100811