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Removal of boron from aqueous solution by using neutralized red mud
Scopus
Toplam 142 atıf DOI
The adsorptive removal of boron from aqueous solution by using the neutralized red mud was studied in batch equilibration technique. The effects of pH, adsorbent dosage, initial boron concentration and contact time on the adsorption were investigated. The experiments demonstrated that boron removal was of a little fluctuation in pH range of 2-7 and it takes 20 min to attain equilibrium. The adsorption data was analyzed using the Langmuir and the Freundlich isotherm models and it was found that the Freundlich isotherm model represented the measured sorption data well. © 2006 Elsevier B.V. All rights reserved.
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Removal of boron from water by using reverse osmosis
Scopus
Havuzumuzda 146 atıf almış
The removal of boron from water was investigated by using reverse osmosis (RO) technique with SWHR, BW-30 (FILMTEC) and AG (GE Osmonics) membranes, not considered previously. The effect of pH and concentration of the feed water and operating pressure on the boron rejection was investigated. The experimental results indicated that boron rejection mostly depends on membrane type, pH of the feed water and operating pressure. The results also showed that boron can be effectively removed only at feed water pH of 11. The lowest permeate boron concentration (the highest rejection, close to 99%) was obtained when SWHR membrane was used. The rejection efficiency of the membranes was found to be in the order of SWHR > BW-30 > AG. For all membranes, boron rejection increased with increasing operating pressure. Finally, two different natural (ground) water samples containing 24.8 and 9.4 mg/L of boron were treated by using RO with SWHR membrane and obtained results showed that RO could be efficiently used (with >95% rejection) for removal of boron from groundwaters. © 2008 Elsevier B.V. All rights reserved.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey