Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran

The discharge of wastewater containing heavy metals into waterbodies is a major environmental issue that can influence the quality of the water supply; therefore, it is important to remove the pollutants dangerous to living organisms. The adsorption of copper (II) ions on modified wheat bran was inv...

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Autores principales:	Lomoko Gideon Masedi Nii Ayi, Paliulis Dainius, Valters Karlis
Formato:	article
Lenguaje:	EN
Publicado:	Sciendo 2021
Materias:	adsorption freundlich langmuir heavy metals isotherms low-cost adsorbents modification Renewable energy sources TJ807-830
Acceso en línea:	https://doaj.org/article/2dcc62e89cfe4215916b65a13533df1c
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spelling	oai:doaj.org-article:2dcc62e89cfe4215916b65a13533df1c2021-12-05T14:11:11ZRemoval of Copper (II) Ions from Polluted Water Using Modified Wheat Bran2255-883710.2478/rtuect-2021-0064https://doaj.org/article/2dcc62e89cfe4215916b65a13533df1c2021-01-01T00:00:00Zhttps://doi.org/10.2478/rtuect-2021-0064https://doaj.org/toc/2255-8837The discharge of wastewater containing heavy metals into waterbodies is a major environmental issue that can influence the quality of the water supply; therefore, it is important to remove the pollutants dangerous to living organisms. The adsorption of copper (II) ions on modified wheat bran was investigated with respect to initial solution pH (2.0-7.0), contact time (5–120 min), adsorbent mass (0.5 g and 1.0 g), and initial metal ion concentration (2.0–20 mg/L). The optimum adsorption conditions were found to be at pH 5.0 and a contact time of 60 min with an adsorbent mass of 1.0 g where the maximum efficiency was recorded as 84.5 %. The adsorption uptake (in mg/g) of copper (II) ions slowly reached equilibrium in around 30 min and this amount was 0.30 mg/g using an adsorbent mass of 0.5 g. The adsorption uptake of copper (II) ions decreased with increasing mass of adsorbent and the adsorption efficiency (in %) increased with increasing mass of adsorbent. The experimental results were described using the Langmuir and Freundlich models, with the Langmuir model fitting better than the Freundlich model. The maximum modelled adsorption capacity was 4.24 mg/g and the modelled specific surface area of modified wheat bran was 6.36 m2. It was observed that the adsorption of copper (II) ions on modified wheat bran is efficient and suitable, therefore modified wheat bran is a relatively good adsorbent for the removal of copper (II) ions from polluted water compared to other agricultural adsorbents.Lomoko Gideon Masedi Nii AyiPaliulis DainiusValters KarlisSciendoarticleadsorptionfreundlichlangmuirheavy metalsisothermslow-cost adsorbentsmodificationRenewable energy sourcesTJ807-830ENEnvironmental and Climate Technologies, Vol 25, Iss 1, Pp 853-864 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	adsorption freundlich langmuir heavy metals isotherms low-cost adsorbents modification Renewable energy sources TJ807-830
spellingShingle	adsorption freundlich langmuir heavy metals isotherms low-cost adsorbents modification Renewable energy sources TJ807-830 Lomoko Gideon Masedi Nii Ayi Paliulis Dainius Valters Karlis Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
description	The discharge of wastewater containing heavy metals into waterbodies is a major environmental issue that can influence the quality of the water supply; therefore, it is important to remove the pollutants dangerous to living organisms. The adsorption of copper (II) ions on modified wheat bran was investigated with respect to initial solution pH (2.0-7.0), contact time (5–120 min), adsorbent mass (0.5 g and 1.0 g), and initial metal ion concentration (2.0–20 mg/L). The optimum adsorption conditions were found to be at pH 5.0 and a contact time of 60 min with an adsorbent mass of 1.0 g where the maximum efficiency was recorded as 84.5 %. The adsorption uptake (in mg/g) of copper (II) ions slowly reached equilibrium in around 30 min and this amount was 0.30 mg/g using an adsorbent mass of 0.5 g. The adsorption uptake of copper (II) ions decreased with increasing mass of adsorbent and the adsorption efficiency (in %) increased with increasing mass of adsorbent. The experimental results were described using the Langmuir and Freundlich models, with the Langmuir model fitting better than the Freundlich model. The maximum modelled adsorption capacity was 4.24 mg/g and the modelled specific surface area of modified wheat bran was 6.36 m2. It was observed that the adsorption of copper (II) ions on modified wheat bran is efficient and suitable, therefore modified wheat bran is a relatively good adsorbent for the removal of copper (II) ions from polluted water compared to other agricultural adsorbents.
format	article
author	Lomoko Gideon Masedi Nii Ayi Paliulis Dainius Valters Karlis
author_facet	Lomoko Gideon Masedi Nii Ayi Paliulis Dainius Valters Karlis
author_sort	Lomoko Gideon Masedi Nii Ayi
title	Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
title_short	Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
title_full	Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
title_fullStr	Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
title_full_unstemmed	Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran
title_sort	removal of copper (ii) ions from polluted water using modified wheat bran
publisher	Sciendo
publishDate	2021
url	https://doaj.org/article/2dcc62e89cfe4215916b65a13533df1c
work_keys_str_mv	AT lomokogideonmasediniiayi removalofcopperiiionsfrompollutedwaterusingmodifiedwheatbran AT paliulisdainius removalofcopperiiionsfrompollutedwaterusingmodifiedwheatbran AT valterskarlis removalofcopperiiionsfrompollutedwaterusingmodifiedwheatbran
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Removal of Copper (II) Ions from Polluted Water Using Modified Wheat Bran

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