The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal

Abstract This work substantially extends knowledge on the possibilities of treating colored industrial wastewater via sorption under flow conditions. The presented study aimed to determine the effectiveness of Reactive Black 5 (RB5) dye sorption from aqueous solutions under dynamic (flow) conditions...

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Autores principales:	Tomasz Jóźwiak, Urszula Filipkowska
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a1cf91383e1e438ea952bcd8770ff626
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spelling	oai:doaj.org-article:a1cf91383e1e438ea952bcd8770ff6262021-12-02T18:18:32ZThe use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal10.1038/s41598-021-92856-y2045-2322https://doaj.org/article/a1cf91383e1e438ea952bcd8770ff6262021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92856-yhttps://doaj.org/toc/2045-2322Abstract This work substantially extends knowledge on the possibilities of treating colored industrial wastewater via sorption under flow conditions. The presented study aimed to determine the effectiveness of Reactive Black 5 (RB5) dye sorption from aqueous solutions under dynamic (flow) conditions in an unconventional air-lift type loop reactor with a filling made of hydrogel chitosan sorbents. The dye was removed from mono-component solutions (deionized water + RB5) and synthetic dyeing wastewater containing RB5 dye, NaCl (3 g/L), and an anti-creasing agent—UNICREASE JET (2 g/L). The sorbents tested in the study included: unmodified chitosan (CHs), chitosan ionically cross-linked with sodium citrate (CHs-CIT), and chitosan covalently cross-linked with epichlorohydrin (CHs-ECH). Each experimental series aimed to determine: the bed break-through time (CE = 0.1 C0), time of depletion of the sorbent’s sorption properties (CE = C0), and maximal sorption capacity of the sorbents (Qmax). The data obtained under dynamic conditions were described using Thomas, Yoon–Nelson, and Bohart–Adams models. The volume of the solution effectively treated in the air-lift reactor was significantly affected by chitosan sorbent type. At C0 = 50 mg RB5/L, the adsorber with the filling made of 1 g d.m. CHs allowed for the effective treatment of 4.6 L of synthetic wastewater (Qmax = 1504.7 mg/g), whereas CHs-ECH ensured 34.6 L of the treated solution (Qmax = 3212.9 mg/g).Tomasz JóźwiakUrszula FilipkowskaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Tomasz Jóźwiak Urszula Filipkowska The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
description	Abstract This work substantially extends knowledge on the possibilities of treating colored industrial wastewater via sorption under flow conditions. The presented study aimed to determine the effectiveness of Reactive Black 5 (RB5) dye sorption from aqueous solutions under dynamic (flow) conditions in an unconventional air-lift type loop reactor with a filling made of hydrogel chitosan sorbents. The dye was removed from mono-component solutions (deionized water + RB5) and synthetic dyeing wastewater containing RB5 dye, NaCl (3 g/L), and an anti-creasing agent—UNICREASE JET (2 g/L). The sorbents tested in the study included: unmodified chitosan (CHs), chitosan ionically cross-linked with sodium citrate (CHs-CIT), and chitosan covalently cross-linked with epichlorohydrin (CHs-ECH). Each experimental series aimed to determine: the bed break-through time (CE = 0.1 C0), time of depletion of the sorbent’s sorption properties (CE = C0), and maximal sorption capacity of the sorbents (Qmax). The data obtained under dynamic conditions were described using Thomas, Yoon–Nelson, and Bohart–Adams models. The volume of the solution effectively treated in the air-lift reactor was significantly affected by chitosan sorbent type. At C0 = 50 mg RB5/L, the adsorber with the filling made of 1 g d.m. CHs allowed for the effective treatment of 4.6 L of synthetic wastewater (Qmax = 1504.7 mg/g), whereas CHs-ECH ensured 34.6 L of the treated solution (Qmax = 3212.9 mg/g).
format	article
author	Tomasz Jóźwiak Urszula Filipkowska
author_facet	Tomasz Jóźwiak Urszula Filipkowska
author_sort	Tomasz Jóźwiak
title	The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
title_short	The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
title_full	The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
title_fullStr	The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
title_full_unstemmed	The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal
title_sort	use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for reactive black 5 removal
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a1cf91383e1e438ea952bcd8770ff626
work_keys_str_mv	AT tomaszjozwiak theuseofairliftadsorberwithafloatingfillingfromacrosslinkedchitosanhydrogelsforreactiveblack5removal AT urszulafilipkowska theuseofairliftadsorberwithafloatingfillingfromacrosslinkedchitosanhydrogelsforreactiveblack5removal AT tomaszjozwiak useofairliftadsorberwithafloatingfillingfromacrosslinkedchitosanhydrogelsforreactiveblack5removal AT urszulafilipkowska useofairliftadsorberwithafloatingfillingfromacrosslinkedchitosanhydrogelsforreactiveblack5removal
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The use of air-lift adsorber with a floating filling from a cross-linked chitosan hydrogels for Reactive Black 5 removal

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