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> Al Ansari Nadhir 1947
> Hussein Ameer H. >
Electrochemical def...
Electrochemical defluorination of water: an experimental and morphological study
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- Abdulredha, Muhammad (author)
- Department of Civil Engineering, College of Engineering, University of Kerbala, Kerbala, Iraq
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- Al-Samarrai, Shatha Y. (author)
- Chemistry Department, College of Science, Tikrit University, Tikrit, Iraq
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- Hussein, Ameer H. (author)
- Al-Mussaib Technical Institute/Al-Furat Al-Awsat Technical University, Babylon, Iraq
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- Sadi Samaka, Isra’a (author)
- Department of Environmental Engineering, College of Engineering, University of Babylon, Babylon, Iraq
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- Al-Ansari, Nadhir, 1947- (author)
- Luleå tekniska universitet,Geoteknologi
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- Aldhaibani, Omar A. (author)
- Built Environment and Sustainable Technologies (BEST) Research Institute, Liverpool John Moores University, Liverpool, UK
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(creator_code:org_t)
- 2022-04-21
- 2022
- English.
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In: Journal of Water, Sanitation and Hygiene for Development. - : IWA Publishing. - 2043-9083 .- 2408-9362. ; 12:4, s. 394-404
- Related links:
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https://ltu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.2...
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Abstract
Subject headings
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- This experimental study concerns the elimination of fluoride from water using an electrocoagulation reactor having a variable flow direction in favour of increasing the electrolysing time, saving the reactor area, and water mixing. The detention time of the space-saver EC reactor (S-SECR) was measured and compared to the traditional reactors using an inert dye (red drain dye). Then, the influence of electrical current (1.5 ≤ δ ≤ 3.5 mA cm−2), pH of water (4 ≤ pH ≤ 10), and distance between electrodes (5 ≤ ϕ ≤ 15) on the defluoridation of water was analysed. The effect of the electrolysing activity on the electrodes' morphology was studied using scanning electron microscopy (SEM). Additionally, the operational cost was calculated. The results confirmed the removal of fluoride using S-SECR met the guideline of the World Health Organization (WHO) for fluoride levels in drinking water of ≤1.5 mg/L. S-SECR abated fluoride concentration from 20 mg/L to the WHO's guideline at δ, ϕ, pH, operational cost, and power consumption of 2.5 mA cm−2, 5 mm, 7, 0.346 USD m−3, and 5.03 kWh m−3, respectively. It was also found the S-SECR enhanced the detention time by 190% compared to the traditional reactors. The appearance of dents and irregularities on the surface of anodes in the SEM images proves the electrolysing process.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geokemi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geochemistry (hsv//eng)
Keyword
- aluminium electrodes
- defluoridation
- engineered reactor
- electrocoagulation
- Geoteknik
- Soil Mechanics
Publication and Content Type
- ref (subject category)
- art (subject category)
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