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Journals / Sigma Mühendislik ve Fen Bilimleri Dergisi / 2016 / Cilt: 34 - Sayı: 1

THE EFFECTS OF FERRIC IRON AND ORGANIC MATTER ON ARSENITE REMOVAL FROM WATER BY DIRECT CONTACT MEMBRANE

Ali ZOUNGRANA
İsmail Hakkı ZENGİN
Harun ELCİK
Dilara YEŞİLIRMAK
Mehmet ÇAKMAKCI
Pages
81–89
Publication Date
2016-03-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In presence of Fe(III) and at feed temperature of 40 and 50 oC, As(III) was non-detectable in the permeate.

📌 3 Key Takeaways

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Objective & Hypothesis:The present study investigated the influence of ferric iron (Fe (III)) and organic matter (OM) on arsenite (As (III)) rejection from a synthetic contaminated water by direct contact membrane distillation (DCMD).
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Key Findings & Data:Two different pore sizes (0.22 μm and 0.45 μm) of hydrophobic membranes made of Polytetrafluoroethylene (PTFE) were used at different feed temperature (40, 50 and 60 oC).
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Conclusion & Impact:In presence of Fe(III) and at feed temperature of 40 and 50 oC, As(III) was non-detectable in the permeate.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Arsenite removal · contaminated water · hydrophobic membrane

Abstract

The present study investigated the influence of ferric iron (Fe (III)) and organic matter (OM) on arsenite (As (III)) rejection from a synthetic contaminated water by direct contact membrane distillation (DCMD). Two different pore sizes (0.22 μm and 0.45 μm) of hydrophobic membranes made of Polytetrafluoroethylene (PTFE) were used at different feed temperature (40, 50 and 60 oC). The operating temperatures, the feed solution Fe (III) and OM concentration have been varied during the study to follow pollutants rejection efficiency and flux behavior. Fe (III) and OM concentration in the solution did not affect negstively As(III) rejection; both membranes used had high rejection efficiency and permeate arsenic (As) concentration was lower than recommended 10 μg/L. As (III) concentration was below detection limit in many permeates. Fe(III) and OM contributed to higher rejection of As(III) and better transmembrane flux. Conductivity and As(III) was rejected up to 99%. In presence of Fe(III) and at feed temperature of 40 and 50 oC, As(III) was non-detectable in the permeate.

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Cite This Article

ZOUNGRANA, A., ZENGİN, İ. H., ELCİK, H., YEŞİLIRMAK, D., ÇAKMAKCI, M. (2016). THE EFFECTS OF FERRIC IRON AND ORGANIC MATTER ON ARSENITE REMOVAL FROM WATER BY DIRECT CONTACT MEMBRANE. Sigma Mühendislik ve Fen Bilimleri Dergisi, Cilt: 34 - Sayı: 1, 81–89. https://ajindex.com/articles/419449

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