Adsorptive decontamination of paper mill effluent by nano fly ash : response surface methodology, adsorption isotherm and reusability studies

In the present study, adsorption of colour and other pollutants from agro-based paper mill effluent onto fabricated coal fly ash nanoparticles (CFA-N) have been investigated. Response surface methodology was applied to evaluate the operational conditions for maximum ouster of colour from effluent by...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 83(2021), 7 vom: 01. Apr., Seite 1662-1676
1. Verfasser: Bisht, Divya (VerfasserIn)
Weitere Verfasser: Sinha, Surbhi, Nigam, Sonal, Bisaria, Kavya, Mehrotra, Tithi, Singh, Rachana
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Coal Coal Ash Water Pollutants, Chemical
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520 |a In the present study, adsorption of colour and other pollutants from agro-based paper mill effluent onto fabricated coal fly ash nanoparticles (CFA-N) have been investigated. Response surface methodology was applied to evaluate the operational conditions for maximum ouster of colour from effluent by nano structured CFA-N. Maximum reduction in colour (92.45%) and other pollutants were obtained at optimum conditions: 60 min interaction time, 60 g/L adsorbent dosage and 80 rpm agitation rate. The regression coefficient values (adjusted R2 = 0.7169; predicted R2 = 0.7539) established harmony between predicted and the experimental data. The adsorption equilibrium results matched perfectly with both Langmuir and Freundlich isotherms with maximum adsorption capacity of 250 platinum-cobalt/g. Additionally, the efficacy of CFA-N was also assessed in a continuous column mode. Furthermore, the feasibility of treated effluent for irrigation purpose was checked by growing the plant Solanum lycopersicum. Overall, the findings demonstrated the outstanding role of inexpensive and abundantly available CFA-N in treatment of paper mill effluent to the required compliance levels 
650 4 |a Journal Article 
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700 1 |a Sinha, Surbhi  |e verfasserin  |4 aut 
700 1 |a Nigam, Sonal  |e verfasserin  |4 aut 
700 1 |a Bisaria, Kavya  |e verfasserin  |4 aut 
700 1 |a Mehrotra, Tithi  |e verfasserin  |4 aut 
700 1 |a Singh, Rachana  |e verfasserin  |4 aut 
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