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Title: COMPARISON OF THE SORPTION EFFICIENCY OF IRON-BASED SORPTION MATERIALS IN THE REMOVAL OF ARSENIC AND ANTIMONY FROM WATER
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COMPARISON OF THE SORPTION EFFICIENCY OF IRON-BASED SORPTION MATERIALS IN THE REMOVAL OF ARSENIC AND ANTIMONY FROM WATER
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1314-2704
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English
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20
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3.1
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Increased pollution of water resources leads to a deterioration of surface water and groundwater quality, and it initiates the application of various methods for water treatment. Adsorption on a suitable adsorption material is the most frequently used methods in water treatment.
Adsorption processes are based on the adsorption of contaminants on the surface of an adsorption material. The molecules of the contaminant pass from the water environment to the solid adsorbent. Oxides, oxyhydroxides and hydroxide containing iron are among the most frequently used sorbents of the heavy metal removal from water. The paper compared the adsorption effectiveness of antimony and arsenic removal from water by using iron-based sorption materials GEH, CFH12, CFH18 and Bayoxide E33. For removal of antimony was used groundwater in the area of Dubrava with concentration of antimony ranged from 55.64 to 59.16 ?g/L. For removal of arsenic water source in the Santovka site (HVS-9 well with a concentration of As about 18 ?g/L) was used for the laboratory experiment. Certified reference material containing As was added to the water in order to obtain the concentration of about 50 ?g/L. The model water (RW) was prepared in 100 litre storage tank and pumped with a dosing pump. The experiments proved that iron-based sorption materials GEH, CFH12, CFH18 and Bayoxide E33 can help reduce the concentration of heavy metals in water below the limit of the Slovak Republic Decree No. 247/2017 on Drinking Water. The efficiency of individual sorption materials with respect to adsorption capacity, bed volume and filtration length are presented. |
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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59-66
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18 - 24 August, 2020
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website
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cdrom
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7104
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water treatment; removal of antimony and arsenic; adsorption; sorption materials; GEH; CFH12; CFH18; Bayoxide E33
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