JOURNAL ARTICLE

Solar oxidation and removal of arsenic from water: An experimental study.

  • Published In: Environmental Quality Management, 2023, v. 32, n. 3. P. 231 1 of 3

  • Database: Business Source Ultimate 2 of 3

  • Authored By: Mohan, Devendra; Verma, Rahul; Kushwaha, Rohit; Sonam 3 of 3

Abstract

Arsenic poses a significant threat to both human health and the environment. Arsenic removal through solar oxidation has been investigated in a batch process. Arsenic was artificially added to both deionized and tap water to conduct the experiments. Clean, colorless, transparent, Polyethylene Terephthalate (PET) bottles were used for Solar Oxidation and Removal of Arsenic (SORAS) experiments. Various parameters including concentration of arsenic, iron, and photo‐catalyst were varied during the experiments. The maximum arsenic removal efficiency obtained was 94% and 88% for deionized water and tap water respectively when ferrous ammonium sulphate and lemon juice were used. Maximum efficiency of 88% and 82% was obtained for deionized and tap water respectively when locally available ferrous alum and glacial acetic acid were used. The change in volume of the photo‐catalyst (lemon juice and glacial acetic acid) also did not affect the SORAS process significantly. Therefore, the recommended volume for the photo‐catalyst was 1–2 ml/L. SORAS can very well be used for areas contaminated with arsenic having concentrations less than 100 μg/L. [ABSTRACT FROM AUTHOR]

Additional Information

  • Source:Environmental Quality Management. 2023/03, Vol. 32, Issue 3, p231
  • Document Type:Article
  • Subject Area:Chemistry
  • Publication Date:2023
  • ISSN:1088-1913
  • DOI:10.1002/tqem.21895
  • Accession Number:162433798
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