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Separation of Boron from Geothermal Water Using a Boron Selective Macroporous Weak Base Anion Exchange Resin

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Abstract:

In this study, batch and column mode tests were performed to evaluate the efficiency of boron removal from geothermal water containing 10-11 mg B/L using Lewatit MK 51 which is a macroporous weak base anion exchange resin with polyhydroxyl groups showing a very high selectivity and capacity for boron. The optimum resin amount for boron removal from geothermal water was determined as 4.0 g resin/L-geothermal water. It was found that the sorption kinetics was influenced by particle size of the resin and temperature. The stirring rate had almost no effect on kinetic performance of the resin. According to the results of column-mode study performed, breakthrough and total capacities of the resin were obtained as 2.75 and 4.98 mg/mL-resin, respectively.

Keywords: boron; geothermal water; ion exchange resin; water treatment

Document Type: Research Article

DOI: https://doi.org/10.1080/01496391003607357

Affiliations: 1: Ege University, Chemical Engineering Department, Izmir, Turkey 2: Ege University, Chemistry Department, Izmir, Turkey

Publication date: 2010-01-01

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