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231225s2021 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2021.126
|2 doi
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|a pubmed24n1086.xml
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|a (DE-627)NLM32581791X
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|a (NLM)34032620
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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 Jiang, Ruqing
|e verfasserin
|4 aut
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|a Effective adsorption of Direct Red 23 by sludge biochar-based adsorbent
|b adsorption kinetics, thermodynamics and mechanisms study
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|c 2021
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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
|b cr
|2 rdacarrier
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|a Date Completed 27.05.2021
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|a Date Revised 27.05.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a Using solid adsorbents, such as biochar, has been a potential practice to remove the pollutants from water bodies to render the water safer for potential usage. A potential application of sludge biochar-based adsorbent (SBA), obtained by pyrolysis with hydrothermal treatment, was developed to adsorb Direct Red 23 (DR23) from wastewater. The results showed that for the synthesized SBA (0.5 g/L) in the adsorption of DR23 at low concentration (<20 mg/L), the DR23 was totally removed from the aqueous solution. pH had a limited effect on the adsorption, while an increase in temperature was shown to have a large enhancing effect. The adsorption kinetics were best fitted by the pseudo-second-order kinetic model, while the equilibrium data were best fitted by the Langmuir isotherm. A maximum saturation adsorption capacity of SBA of 111.98 mg/g was achieved. SBA could then be regenerated by pyrolysis, and after three cycles, SBA still retained good adsorption ability for DR23, a removal rate exceeding 97% was achieved. Functional groups, pores, π-π bond, and electrostatic interactions are the key to the adsorption mechanisms. The results proved that SBA would be a promising material in the application of removing dyes in printing and dyeing wastewater
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|a Journal Article
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|a Anilides
|2 NLM
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|a Azo Compounds
|2 NLM
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|a Sewage
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a biochar
|2 NLM
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|a 1-(2-methoxy-5-nitrophenylazo)-2-hydroxy-3-(3-nitrophenylcarbamoyl)naphthalene
|2 NLM
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|a 082H78U257
|2 NLM
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|a Charcoal
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|a 16291-96-6
|2 NLM
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| 700 |
1 |
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|a Yu, Guangwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ndagijimana, Pamphile
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a You, Futian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xing, Zhenjiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 83(2021), 10 vom: 24. Mai, Seite 2424-2436
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:83
|g year:2021
|g number:10
|g day:24
|g month:05
|g pages:2424-2436
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|u http://dx.doi.org/10.2166/wst.2021.126
|3 Volltext
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