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1. WO2002020406 - IMPURITY REMOVAL

Publication Number WO/2002/020406
Publication Date 14.03.2002
International Application No. PCT/AU2001/001125
International Filing Date 07.09.2001
Chapter 2 Demand Filed 26.03.2002
IPC
C01F 5/34 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS
5Compounds of magnesium
26Magnesium halides
30Chlorides
34Dehydrating magnesium chloride containing water of crystallisation
C01F 11/18 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE EARTH METALS
11Compounds of calcium, strontium, or barium
18Carbonates
CPC
C01F 11/18
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
11Compounds of calcium, strontium, or barium
18Carbonates
C01F 5/34
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
5Compounds of magnesium
26Magnesium halides
30Chlorides
34Dehydrating magnesium chloride containing water of crystallisation
Applicants
  • AUSTRALIAN MAGNESIUM OPERATIONS PTY LTD [AU]/[AU] (AllExceptUS)
  • COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION [AU]/[AU] (AllExceptUS)
  • FROST, Malcolm, Timothy [AU]/[AU] (UsOnly)
  • SHEEHAN, Gregory, John [AU]/[AU] (UsOnly)
Inventors
  • FROST, Malcolm, Timothy
  • SHEEHAN, Gregory, John
Agents
  • GRIFFITH HACK
Priority Data
PQ 999908.09.2000AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMPURITY REMOVAL
(FR) SUPPRESSION D'IMPURETES
Abstract
(EN)
Calcium is precipitated from a solution containing calcium chloride by a process which includes reacting the calcium chloride with magnesium carbonate hydrate under reaction conditions to form a calcium carbonate precipitate.
(FR)
Du calcium en provenance d'une solution contenant du chlorure de calcium est précipité par un processus qui consiste à faire réagir ce chlorure de calcium avec un hydrate de carbonate de magnésium dans des conditions de réaction permettant de former un précipité de carbonate de calcium.
Also published as
IS6737
IL154796
RU2003109752
NO20031092
Latest bibliographic data on file with the International Bureau