Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions

A novel, inexpensive, easily available and eco-friendly biosorbent, Tamarindus indica activated seed coat, has been evaluated for its capability to remove fluoride from water. Batch experiments were carried out to study the effect of various parameters affecting the biosorption such as pH (2–10), bi...

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Autores principales:	Dasaiah Srinivasulu, Pavan Kumar Pindi
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	biosorption fluoride isotherms kinetics tamarindus indica activated seed coat Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
Acceso en línea:	https://doaj.org/article/ca8a58cb0c2e4c3cad590d11a341292b
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spelling	oai:doaj.org-article:ca8a58cb0c2e4c3cad590d11a341292b2021-11-06T07:15:15ZActivated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions1606-97491607-079810.2166/ws.2021.037https://doaj.org/article/ca8a58cb0c2e4c3cad590d11a341292b2021-06-01T00:00:00Zhttp://ws.iwaponline.com/content/21/4/1594https://doaj.org/toc/1606-9749https://doaj.org/toc/1607-0798A novel, inexpensive, easily available and eco-friendly biosorbent, Tamarindus indica activated seed coat, has been evaluated for its capability to remove fluoride from water. Batch experiments were carried out to study the effect of various parameters affecting the biosorption such as pH (2–10), biosorbent dose (0.05 g/L to 0.35 g/L), contact time (10–80 min) and initial fluoride concentration (0.001–0.006 g/L) for the biosorption of fluoride at room temperature. The maximum removal of fluoride was found at pH 6, biosorbent dose 0.3 g and contact time 60 min. Physicochemical characterization studies revealed the suitable morphology and chemical functional groups present on the biosorbent. Isothermal data agreed well with the Langmuir isotherm adsorption model with R2 value 0.976 and KL 0.1. The biosorption interface of fluoride onto Tamarindus indica activated seed coat obeyed the pseudo-second-order rate equation with R2 0.976. The present study demonstrates that Tamarindus indica activated seed coat can effectively remediate fluoride-contaminated water. HIGHLIGHTS Activated tamarind seed coat powder used as biosorbent for the removal of fluoride.; Physicochemical studies of biosorbent revealed favourable features for F removal.; Desorption studies obtained 90% recovery within three cycles.; Developed sorbent applied to real field water samples and succeeded.; This biosorbent can be considered a potential, cost-effective and eco-friendly biosorbent.;Dasaiah SrinivasuluPavan Kumar PindiIWA Publishingarticlebiosorptionfluorideisothermskineticstamarindus indica activated seed coatWater supply for domestic and industrial purposesTD201-500River, lake, and water-supply engineering (General)TC401-506ENWater Supply, Vol 21, Iss 4, Pp 1594-1607 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	biosorption fluoride isotherms kinetics tamarindus indica activated seed coat Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
spellingShingle	biosorption fluoride isotherms kinetics tamarindus indica activated seed coat Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506 Dasaiah Srinivasulu Pavan Kumar Pindi Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
description	A novel, inexpensive, easily available and eco-friendly biosorbent, Tamarindus indica activated seed coat, has been evaluated for its capability to remove fluoride from water. Batch experiments were carried out to study the effect of various parameters affecting the biosorption such as pH (2–10), biosorbent dose (0.05 g/L to 0.35 g/L), contact time (10–80 min) and initial fluoride concentration (0.001–0.006 g/L) for the biosorption of fluoride at room temperature. The maximum removal of fluoride was found at pH 6, biosorbent dose 0.3 g and contact time 60 min. Physicochemical characterization studies revealed the suitable morphology and chemical functional groups present on the biosorbent. Isothermal data agreed well with the Langmuir isotherm adsorption model with R2 value 0.976 and KL 0.1. The biosorption interface of fluoride onto Tamarindus indica activated seed coat obeyed the pseudo-second-order rate equation with R2 0.976. The present study demonstrates that Tamarindus indica activated seed coat can effectively remediate fluoride-contaminated water. HIGHLIGHTS Activated tamarind seed coat powder used as biosorbent for the removal of fluoride.; Physicochemical studies of biosorbent revealed favourable features for F removal.; Desorption studies obtained 90% recovery within three cycles.; Developed sorbent applied to real field water samples and succeeded.; This biosorbent can be considered a potential, cost-effective and eco-friendly biosorbent.;
format	article
author	Dasaiah Srinivasulu Pavan Kumar Pindi
author_facet	Dasaiah Srinivasulu Pavan Kumar Pindi
author_sort	Dasaiah Srinivasulu
title	Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
title_short	Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
title_full	Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
title_fullStr	Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
title_full_unstemmed	Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
title_sort	activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/ca8a58cb0c2e4c3cad590d11a341292b
work_keys_str_mv	AT dasaiahsrinivasulu activatedtamarindseedcoatagreenbiosorbenttoremovefluoridefromaqueoussolutions AT pavankumarpindi activatedtamarindseedcoatagreenbiosorbenttoremovefluoridefromaqueoussolutions
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Activated tamarind seed coat: a green biosorbent to remove fluoride from aqueous solutions

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