A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant

The plant extract like Saponin obtained by both chemical and aqueous methods from the fruits of Sapindus laurifolia (S. laurifolia) was adopted as an economical low cost leaching agent for removal of toxic elements from thermal power plant-based coal fly ash (FA). The leaching investigation the elem...

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Autores principales:	Shaswat Kumar Das, Aritra Kumar Dan, Umakanta Behera, Ankit Kumar Tripathi, Mandakini Behari, Debadutta Das, Pankaj Kumar Parhi
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Fly ash Leaching Sapindus laurifolia Bio-surfactant Saponin Environmental engineering TA170-171 Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/0eae4bf0d0e24824ada6d5e01a48babf
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spelling	oai:doaj.org-article:0eae4bf0d0e24824ada6d5e01a48babf2021-11-06T04:35:52ZA novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant2666-016410.1016/j.cscee.2021.100156https://doaj.org/article/0eae4bf0d0e24824ada6d5e01a48babf2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666016421000785https://doaj.org/toc/2666-0164The plant extract like Saponin obtained by both chemical and aqueous methods from the fruits of Sapindus laurifolia (S. laurifolia) was adopted as an economical low cost leaching agent for removal of toxic elements from thermal power plant-based coal fly ash (FA). The leaching investigation the elements including Cr, As, Ni, Pb, Zn and Cu from FA particles was systematically carried out and reported. The role of the critical factors such as saponin concentration, time, temperature, and pH of lixiviant was examined. The leaching results of sapoin isolated by aqueous extraction and chemical extraction were compared and reported. The change in FA phase like the appearance of surface roughness from the regular phases of the FA after leaching obtained by SEM analysis was well ascribed due to the leaching of metals out of FA. The interaction mechanism due to the adopted saponin with the FA surface phase during the leaching of these metals based on the hydrophobic and hydrophilic character was derived and proposed based on the leaching results.Shaswat Kumar DasAritra Kumar DanUmakanta BeheraAnkit Kumar TripathiMandakini BehariDebadutta DasPankaj Kumar ParhiElsevierarticleFly ashLeachingSapindus laurifoliaBio-surfactantSaponinEnvironmental engineeringTA170-171Chemical engineeringTP155-156ENCase Studies in Chemical and Environmental Engineering, Vol 4, Iss , Pp 100156- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Fly ash Leaching Sapindus laurifolia Bio-surfactant Saponin Environmental engineering TA170-171 Chemical engineering TP155-156
spellingShingle	Fly ash Leaching Sapindus laurifolia Bio-surfactant Saponin Environmental engineering TA170-171 Chemical engineering TP155-156 Shaswat Kumar Das Aritra Kumar Dan Umakanta Behera Ankit Kumar Tripathi Mandakini Behari Debadutta Das Pankaj Kumar Parhi A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
description	The plant extract like Saponin obtained by both chemical and aqueous methods from the fruits of Sapindus laurifolia (S. laurifolia) was adopted as an economical low cost leaching agent for removal of toxic elements from thermal power plant-based coal fly ash (FA). The leaching investigation the elements including Cr, As, Ni, Pb, Zn and Cu from FA particles was systematically carried out and reported. The role of the critical factors such as saponin concentration, time, temperature, and pH of lixiviant was examined. The leaching results of sapoin isolated by aqueous extraction and chemical extraction were compared and reported. The change in FA phase like the appearance of surface roughness from the regular phases of the FA after leaching obtained by SEM analysis was well ascribed due to the leaching of metals out of FA. The interaction mechanism due to the adopted saponin with the FA surface phase during the leaching of these metals based on the hydrophobic and hydrophilic character was derived and proposed based on the leaching results.
format	article
author	Shaswat Kumar Das Aritra Kumar Dan Umakanta Behera Ankit Kumar Tripathi Mandakini Behari Debadutta Das Pankaj Kumar Parhi
author_facet	Shaswat Kumar Das Aritra Kumar Dan Umakanta Behera Ankit Kumar Tripathi Mandakini Behari Debadutta Das Pankaj Kumar Parhi
author_sort	Shaswat Kumar Das
title	A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
title_short	A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
title_full	A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
title_fullStr	A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
title_full_unstemmed	A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
title_sort	novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/0eae4bf0d0e24824ada6d5e01a48babf
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A novel approach on leaching study for removal of toxic elements from thermal power plant-based fly ash using natural bio-surfactant

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