EP 2396278 A1 20111221 - PREPARATION OF PURIFIED CALCIUM CHLORIDE
Title (en)
PREPARATION OF PURIFIED CALCIUM CHLORIDE
Title (de)
HERSTELLUNG VON GEREINIGTEM CALCIUMCHLORID
Title (fr)
PRÉPARATION DE CHLORURE DE CALCIUM PURIFIÉ
Publication
Application
Priority
- EP 2010051723 W 20100211
- FR 0950868 A 20090212
Abstract (en)
[origin: WO2010092117A1] The present invention relates to a process for preparing purified calcium chloride, in particular calcium chloride that is purified as regards the presence of magnesium and other metals present in the form of impurities, these impurities being precipitated by alkalinization, and the precipitate is separated from the calcium chloride solution. Another subject of the present invention relates to the reuse of by-products (or residues) from known processes in the process for preparing calcium chloride initially.
IPC 8 full level
C01F 5/22 (2006.01); C01F 11/32 (2006.01)
CPC (source: EP)
C01F 5/22 (2013.01); C01F 11/32 (2013.01)
Citation (search report)
See references of WO 2010092117A1
Designated contracting state (EPC)
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)
FR 2941939 A1 20100813; FR 2941939 B1 20111209; CN 102317212 A 20120111; EP 2396278 A1 20111221; RU 2011137433 A 20130320; WO 2010092117 A1 20100819
DOCDB simple family (application)
FR 0950868 A 20090212; CN 201080007496 A 20100211; EP 10703471 A 20100211; EP 2010051723 W 20100211; RU 2011137433 A 20100211