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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2206529
|2 doi
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|a pubmed25n1186.xml
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|a (DE-627)NLM356095339
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|a (NLM)37105959
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Caglak, Abdulkadir
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Chemical oxygen demand and tannin/lignin removal from paper mill wastewater by electrocoagulation combined with peroxide and hypochlorite treatments
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.05.2024
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|a Date Revised 20.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The present investigation sought to assess the practicality of utilizing a combined pre-treatment approach comprising electrocoagulation, peroxide, and hypochlorite treatments for the removal of chemical oxygen demand (COD) and tannin/lignin from paper mill wastewater. The study aimed to optimize the operating parameters with a view to maximizing the removal efficiencies while minimizing energy consumption. A pair of iron electrodes were used as anode and cathode in the study, and the main operating parameters were determined as initial pH, applied current, treatment time and oxidant dosage/COD ratio. Response surface methodology (RSM) was used to evaluate the effect of these parameters on COD and tannin/lignin removals. The primary findings of the investigation indicated that the integration of electrocoagulation with peroxide and hypochlorite treatments exhibited efficacy in removing COD, tannin/lignin, colour, phenol, and turbidity from paper mill wastewater. The optimized conditions resulted in COD removal efficiencies of 48.13 ± 2.2% and 29.53 ± 1.4% for EC with H2O2 and Ca(OCl)2, respectively. Tannin/lignin removal efficiencies were 92.59 ± 3.6% and 94.09 ± 1.8% for EC-H2O2 and EC-Ca(OCl)2, respectively. The specific energy consumption (SEC) values showed that EC-Ca(OCl)2 required 7 times more energy than EC-H2O2 for removing 1 kg COD. The principal deduction drawn from the study was that EC-H2O2 pre-treatment demonstrated superior COD removal efficiency and lower energy consumption, while EC-Ca(OCl)2 pre-treatment exhibited greater efficiency in removing toxic and recalcitrant pollutants. In future studies, it would be useful to conduct research to increase COD removal efficiency in addition to tannin/lignin removal in EC-Ca(OCl)2 process
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|a Journal Article
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|a Paper mill wastewater
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| 650 |
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4 |
|a RSM
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4 |
|a electrocoagulation/oxidation
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| 650 |
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4 |
|a optimization
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| 650 |
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|a tannin/lignin removal
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| 700 |
1 |
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|a Sari-Erkan, Hanife
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Onkal Engin, Guleda
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 15 vom: 28. Juni, Seite 3076-3094
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
8 |
|g volume:45
|g year:2024
|g number:15
|g day:28
|g month:06
|g pages:3076-3094
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| 856 |
4 |
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|u http://dx.doi.org/10.1080/09593330.2023.2206529
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