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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2022.2093652
|2 doi
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|a pubmed24n1141.xml
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|a (DE-627)NLM342524011
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|a (NLM)35731237
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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 Li, Si
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Separation of dye from aqueous solution by a new gravity compression and aeration system
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1 |
|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 06.10.2023
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|a Date Revised 06.10.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Filtration is one of the important technologies for separating suspended particles. Under the condition of gravity compression, the filtration density can be increased and the separation effect of suspended particles can be improved. Considering the complex composition and the difficulty in degrading dye in industrial wastewater, a gravity compression aeration system with a modified polyester fibre ball (denoted as MPFB) was evaluated for the separation of dye from water. Congo red azo dye solution (0-40 mg/L) was selected as the model treatment compound. The MPFB was prepared by adjusting the concentrations of alkali (Quality score 0-25%), β-cyclodextrin (0∼80 g/L), reaction temperature (40-90°C), and silane coupler concentration (Concentration fractions 0-0.8%). We used Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) to characterise the MPFB. The separation was affected significantly by adsorption conditions such as MPFB dose and pH. The lower the MPFB dose, the higher the expected adsorption capacity. For the treatment of a dye solution at 500 mg/L, 100% removal was achieved with 48 g/L MPFB, at pH 8 during adsorption under non-circulation aeration. For 24 h of reaction, the system could reach the maximum adsorption capacity of 11.2 mg/g, which followed the pseudo-first order kinetics model and the intraparticle diffusion model. We discovered that circulation aeration provided the best adsorption and electrostatic and hydrogen bonding were the dominant components of adsorption. Overall, the system is a promising technology and has the potential to treat large volumes of dye wastewater
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|a Journal Article
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|a Dye wastewater
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|a dye
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|a gravity
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|a pollutant adsorption
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4 |
|a polyester
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| 650 |
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7 |
|a Wastewater
|2 NLM
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| 650 |
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7 |
|a Water Pollutants, Chemical
|2 NLM
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| 650 |
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7 |
|a Congo Red
|2 NLM
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| 650 |
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7 |
|a 3U05FHG59S
|2 NLM
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| 650 |
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7 |
|a Coloring Agents
|2 NLM
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| 700 |
1 |
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|a Xiong, Nana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Guocheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wan, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hursthouse, Andrew S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Hongqi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 44(2023), 28 vom: 15. Dez., Seite 4409-4423
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
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|g volume:44
|g year:2023
|g number:28
|g day:15
|g month:12
|g pages:4409-4423
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|u http://dx.doi.org/10.1080/09593330.2022.2093652
|3 Volltext
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