METHOD OF REMOVING SULFATE IONS FROM AQUEOUS SOLUTION OF ALKALI METAL CHLORIDE

Zirconium hydroxide whose grain size ranges from 0.1 to 3 mm is used as an adsorbent. The present method is free from degradation into a slurry state, can dispense with any special filter and maintenance work for solid-liquid separation, facilitates recycling and ensures low facility cost. Un hydrox...

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Bibliographic Details
Main Authors SUGIYAMA, MIKIHITO, SAIKI, KOJI, NONOMURA, KENJI, KATAYAMA, KAZUHIKO, YOSHINO, MOTOMU
Format Patent
LanguageEnglish
French
Japanese
Published 11.09.1998
Edition6
Subjects
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
INORGANIC CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:Zirconium hydroxide whose grain size ranges from 0.1 to 3 mm is used as an adsorbent. The present method is free from degradation into a slurry state, can dispense with any special filter and maintenance work for solid-liquid separation, facilitates recycling and ensures low facility cost. Un hydroxyde de zirconium ayant une granulométrie comprise entre 0,1 et 3 mm est utilisé comme adsorbant. Le procédé de l'invention n'entraîne pas de dégradation aboutissant à la formation de boue, ne nécessite ni filtre spécial ni maintenance pour la séparation solide-liquide, facilite le recyclage et permet une installation à un faible coût.
Bibliography:Application Number: WO1997JP00870