Removal of Arsenic from synthetic-water using Iron Coated Sand Adsorbent and Modified Ceramic Clay House Hold Pitcher

Raza Saeed, Khadija Qureshi, M. S. Shaikh, Z. Bhatti
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Abstract

This study focuses on the preparation of iron coated sand adsorbent and modified ceramic clay pitchers, that can be used for the removal of As(V) from synthetic water. Iron coated sand adsorbent with particle size 150μm and three forms of iron coated sand ceramic clay pitchers were prepared with differing ratios of ceramic clay and iron coated sand with iron sulfide (FeS) and iron chloride hexahydrate (FeCL3.6H2O). The ratios of ceramic clay and iron coated sand were taken as 75:25, 60:40, and 40:60 appropriately. The performance assessment of ICSA and three forms of pitchers was carried in a batch process. The As(V) adsorption/removal rate of ICSA and ICSA ceramic clay Pitcher were analyzed using atomic adsorption spectroscopy (AAnalyst700, PerkinElmer, USA). The results indicated that the ICSA has removal efficiency up to 94-98%, and ICSA ceramic clay pitcher’s made of river sand coated with iron sulfide and iron chloride hexahydrate along with ceramic clay with the ratio of 60:40 have acceptable As(V) removal efficiency up to 40%. The prepared pitcher was considered acceptable for the As(V) removal purpose. The designed pitchers can be prepared in the local market without any trouble and can be used regularly for As(V) removal purposes.
铁包砂吸附剂和改性陶土罐对合成水中砷的去除研究
本文主要研究了铁包砂吸附剂和改性陶瓷粘土罐的制备,用于去除合成水中的砷(V)。以硫化铁(FeS)和六水氯化铁(FeCL3.6H2O)为原料,采用不同比例的陶瓷粘土和铁包膜砂,制备了粒径为150μm的铁包膜砂吸附剂和3种形式的铁包膜砂陶瓷粘土罐。陶瓷粘土与铁包砂的配比分别为75:25、60:40、40:60。对ICSA和三种投料器进行了批量性能评价。采用原子吸附光谱(AAnalyst700, PerkinElmer, USA)分析了ICSA和ICSA陶瓷陶罐对As(V)的吸附/去除率。结果表明,ICSA对砷的去除率可达94 ~ 98%,其中以硫化铁和六水氯化铁包覆河砂与陶瓷粘土以60:40的比例制成的ICSA陶瓷粘土罐对砷(V)的去除率可达40%。制备的水罐被认为是可接受的As(V)去除目的。设计的水罐可以在当地市场制备,没有任何麻烦,可以定期用于清除砷(V)的目的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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