On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water

Abstract New technology has provided a cheap and abundant access to nanoclay which has more prominent and efficient properties than clay. The aim of this research was a performance review of clay and nanoclay granules for the purpose of improving physicochemical as well as biological quality of wate...

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Main Authors: Parisa Rezvani, Mohammad Mehdi Taghizadeh
Format: Article
Language:English
Published: SpringerOpen 2018-08-01
Series:Applied Water Science
Subjects:
Online Access:http://link.springer.com/article/10.1007/s13201-018-0779-6
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author Parisa Rezvani
Mohammad Mehdi Taghizadeh
author_facet Parisa Rezvani
Mohammad Mehdi Taghizadeh
author_sort Parisa Rezvani
collection DOAJ
description Abstract New technology has provided a cheap and abundant access to nanoclay which has more prominent and efficient properties than clay. The aim of this research was a performance review of clay and nanoclay granules for the purpose of improving physicochemical as well as biological quality of water. To this end, clay granules and a 50% composition of clay and nanoclay with an average of a 5-mm diameter were made and placed in the 1000 °C furnace for 7 h. 150 g of any kind of granule was put in a closed system with presence of 300 ml of sample of synthesized contaminated water for 24 h. Then, heavy metals (lead and arsenic), anions (nitrate), turbidity, electrical conductivity and microbial contamination (coliforms) were measured. The clay and nanoclay granules had adsorbed the lead, respectively, with 0/4 and /44 mg/l by 80% and 88% yield. They have been almost effective in declining nitrate, arsenic, turbidity, and electrical conductivity, though ineffective in removal of microbial contamination. The results show that the adsorption yield for nanoclay is much higher than that for clay.
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spelling doaj.art-4e681dcd4b7641ad8bd2637f59fc6fd92022-12-21T18:39:05ZengSpringerOpenApplied Water Science2190-54872190-54952018-08-01851610.1007/s13201-018-0779-6On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from waterParisa Rezvani0Mohammad Mehdi Taghizadeh1Islamic Azad University, Estahban Branch-FarsIslamic Azad University, Estahban Branch-FarsAbstract New technology has provided a cheap and abundant access to nanoclay which has more prominent and efficient properties than clay. The aim of this research was a performance review of clay and nanoclay granules for the purpose of improving physicochemical as well as biological quality of water. To this end, clay granules and a 50% composition of clay and nanoclay with an average of a 5-mm diameter were made and placed in the 1000 °C furnace for 7 h. 150 g of any kind of granule was put in a closed system with presence of 300 ml of sample of synthesized contaminated water for 24 h. Then, heavy metals (lead and arsenic), anions (nitrate), turbidity, electrical conductivity and microbial contamination (coliforms) were measured. The clay and nanoclay granules had adsorbed the lead, respectively, with 0/4 and /44 mg/l by 80% and 88% yield. They have been almost effective in declining nitrate, arsenic, turbidity, and electrical conductivity, though ineffective in removal of microbial contamination. The results show that the adsorption yield for nanoclay is much higher than that for clay.http://link.springer.com/article/10.1007/s13201-018-0779-6ClayNanoclayWater treatmentCeramicArsenic
spellingShingle Parisa Rezvani
Mohammad Mehdi Taghizadeh
On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
Applied Water Science
Clay
Nanoclay
Water treatment
Ceramic
Arsenic
title On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
title_full On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
title_fullStr On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
title_full_unstemmed On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
title_short On using clay and nanoclay ceramic granules in reducing lead, arsenic, nitrate, and turbidity from water
title_sort on using clay and nanoclay ceramic granules in reducing lead arsenic nitrate and turbidity from water
topic Clay
Nanoclay
Water treatment
Ceramic
Arsenic
url http://link.springer.com/article/10.1007/s13201-018-0779-6
work_keys_str_mv AT parisarezvani onusingclayandnanoclayceramicgranulesinreducingleadarsenicnitrateandturbidityfromwater
AT mohammadmehditaghizadeh onusingclayandnanoclayceramicgranulesinreducingleadarsenicnitrateandturbidityfromwater