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Perchlorate removal...
Perchlorate removal from aqueous solutions by granular ferric hydroxide (GFH)
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- Kumar, Eva (författare)
- Yonsei Univ, Dept Environm Engn, Wonju 220710, Gangwon Do, South Korea
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- Bhatnagar, Amit (författare)
- Yonsei Univ, Dept Environm Engn, Wonju 220710, Gangwon Do, South Korea
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Choi, Jeong-A (författare)
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Kumar, Umesh (författare)
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Min, Booki (författare)
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Kim, Yongje (författare)
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Song, Hocheol (författare)
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Paeng, Ki Jung (författare)
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Jung, Yong Mee (författare)
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Abou-Shanab, R.A.I. (författare)
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Jeon, Byong-Hun (författare)
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: Chemical Engineering Journal. - : Elsevier BV. - 1385-8947 .- 1873-3212. ; 159:1-3, s. 84-90
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The present research evaluates the efficacy of granular ferric hydroxide (GFH) for perchlorate removal from aqueous solutions. Laboratory scale experiments were conducted to investigate the influence of various experimental parameters such as contact time, initial perchlorate concentration, temperature, pH and competing anions on perchlorate removal by GFH. Results demonstrated that perchlorate uptake rate was rapid and maximum adsorption was completed within first 30 min and equilibrium was achieved within 60 min. Pseudo-second-order model favorably explains the sorption mechanism of perchlorate on to GFH. The maximum sorption capacity of GFH for perchlorate was ca. 20.0 mg g(-1) at pH 6.0-6.5 at room temperature (25 degrees C). The optimum perchlorate removal was observed between pH range of 3-7. The Raman spectroscopy results revealed that perchlorate was adsorbed on GFH through electrostatic attraction between perchlorate and positively charged surface sites. Results from this study demonstrated potential utility of GFH that could be developed into a viable technology for perchlorate removal from water.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
Nyckelord
- Environmental Science
- Miljövetenskap
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Kumar, Eva
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Bhatnagar, Amit
-
Choi, Jeong-A
-
Kumar, Umesh
-
Min, Booki
-
Kim, Yongje
-
visa fler...
-
Song, Hocheol
-
Paeng, Ki Jung
-
Jung, Yong Mee
-
Abou-Shanab, R.A ...
-
Jeon, Byong-Hun
-
visa färre...
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