METHOD FOR REMOVING BORON

PROBLEM TO BE SOLVED: To provide a method for removing boron from a solution containing boron. SOLUTION: The method for removing boron includes a boron adsorbing process to adsorb boron in solution containing boron by using an adsorbent, a boron eluting process to elute boron from the adsorbent to w...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUDA SHUZO, KANAO YOSHIYUKI, TAKAHASHI NORIMICHI, YOSHIKAWA HIROYASU, KOGA MIKIKO, NAGATA MASATSUGU, UYAMA KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for removing boron from a solution containing boron. SOLUTION: The method for removing boron includes a boron adsorbing process to adsorb boron in solution containing boron by using an adsorbent, a boron eluting process to elute boron from the adsorbent to which the boron is adsorbed by using an acid solution, and an adsorbent regenerating process by using an alkali solution to regenerate the adsorbent from which boron is eluted into the adsorbent and which adsorbent can be used for the boron adsorbing process. The adsorbent consists of an organic compound insoluble with water and having at least two O-H groups and properties of adsorbing boron, eluting the adsorbed boron by an acid solution and regenerating by an alkali solution into the adsorbent which can adsorb boron.