Sökning: WFRF:(Bengtsson Elina)
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Digging deep into a...
Digging deep into a GAC filter – Temporal and spatial profiling of adsorbed organic micropollutants
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- Edefell, Ellen (författare)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH,Ideon Science Park,Sweden Water Research AB,Department Of Chemical Engineering,Lund Institute Of Technology,Institutionen för Kemiteknik
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- Svahn, Ola (författare)
- Kristianstad University,Faculty of Natural Science,Department of Environmental Science,Fakulteten för naturvetenskap,Avdelningen för miljövetenskap
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- Falås, Per (författare)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH,Department Of Chemical Engineering,Lund Institute Of Technology,Institutionen för Kemiteknik
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- Bengtsson, Elina (författare)
- Kalmar Vatten AB,
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- Axelsson, Michael (författare)
- Kalmar Vatten AB,
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- Ullman, Regine (författare)
- Kalmar Vatten AB,
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- Cimbritz, Michael (författare)
- Lund University,Lunds universitet,Avdelningen för kemiteknik,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Division of Chemical Engineering,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH,Department Of Chemical Engineering,Lund Institute Of Technology,Institutionen för Kemiteknik
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- Engelska.
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Ingår i: Water Research. - : Elsevier BV. - 0043-1354 .- 1879-2448. ; 218
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A large pilot-scale granular activated carbon (GAC) filter was operated downstream in a full-scale wastewater treatment plant to remove organic micropollutants. To describe the spatial and temporal developments of micropollutant adsorption profiles in the GAC filter, micropollutants were extracted from GAC media taken at various filter depths and number of treated bed volumes. At a low number of treated bed volumes (2600 BVs), most micropollutants were adsorbed in the top layers of the filter. At increasing number of treated bed volumes (7300–15,500 BVs), the adsorption front for micropollutants progressed through the filter bed at varying rates, with sulfamethoxazole, fluconazole, and PFOS reaching the bottom layer before carbamazepine and other well-adsorbing micropollutants, such as propranolol and citalopram. Higher amounts of adsorbed micropollutants in the bottom layer of the filter bed resulted in decreased removal efficiencies in the treated wastewater. Mass estimations indicated biodegradation for certain micropollutants, such as naproxen, diclofenac, and sulfamethoxazole. A temporary increase in the concentration of the insecticide imidacloprid could be detected in the filter indicating that extraction of adsorbed micropollutants could provide an opportunity for backtracking of loading patterns.
Ämnesord
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Nyckelord
- Granular activated carbon
- Micropollutant extraction
- Micropollutant removal
- Organic micropollutants
- Stratified adsorption
- Wastewater treatment
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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