Adsorptive removal of cadmium from electroplating wastewater using hybrid composite of thiol-grafted seed gum of <i>Tamarindus indica</i> and Teff hay biocarbon-Reference-Cited by-同舟云学术

Adsorptive removal of cadmium from electroplating wastewater using hybrid composite of thiol-grafted seed gum of Tamarindus indica and Teff hay biocarbon

Published:2024-06-19 Issue: Volume: Page:
ISSN:0942-9352
Container-title:Zeitschrift für Physikalische Chemie
language:en
Short-container-title:

Author:

Rao Devendra Pratap¹^ORCID,Krishnasamy Vimala Devi²,Selvaraju Mayakannan³^ORCID,Sundramurthy Venkatesa Prabhu⁴⁵^ORCID,Kandavalli Sumanth Ratna⁶^ORCID,Chitra Muthusamy Siva⁷,Sivasamy Nanthakumar⁸,Thirumoorthy Pradeep⁹

Affiliation:

1. Department of Chemistry , Coordination Chemistry Laboratory, Dayanand Anglo-Vedic (PG) College , Kanpur , 208001 , U.P. , India

2. School of Computer Science and Engineering, Vellore institute of Technology , Vellore , 632014 , Tamil Nadu , India

3. Department of Mechanical Engineering , 488397 Vidyaa Vikas College of Engineering and Technology , Tiruchengode , Namakkal , 637 214 , Tamil Nadu , India

4. Centre for Natural Products and Functional Foods, Karpagam Academy of Higher Education , Coimbatore , 641 021 , Tamil Nadu , India

5. Department of Biotechnology , Faculty of Engineering, Karpagam Academy of Higher Education , Coimbatore , 641 021 , Tamil Nadu , India

6. Department of Mechanical Engineering , Tandon School of Engineering, New York University , 6 Metro Tech Center , Brooklyn , NY , USA

7. Department of Electrical and Electronics Engineering , Kongu Engineering College , Perundurai , Erode , 638 060 , Tamilnadu , India

8. Department of Mechanical Engineering , PSG Institute of Technology and Applied Research , Neelambur , Coimbatore , 641062 , Tamilnadu , India

9. Department of Civil Engineering , Kongu Engineering College , Perundurai , Erode , 638 060 , Tamil Nadu , India

Abstract

Abstract This study examined the methods for preparing biocarbon from Teff hay (TBC) and thiol-grafted seed gum of Tamarindus indica (TH@TI-TBC) with the purpose of removing cadmium (Cd) from polluted electroplating waste water. To improve biocarbon adsorption, seed gum and thiol were added in a two-step combination. At a pH of 5.5, the most effective Cd adsorption was seen with TH@TI-TBC (261.47 mg g−1). While comparing to the Freundlich and Temkin models, the Langmuir and pseudo-second-order kinetic models found to be the best fit to the obtained adsorption data. After being treated with electroplating wastewater having 30 mg−1 L of cadmium, TH@TI-TBC was able to remove up to 89 % of the Cd, proving its effectiveness in dealing with adsorptive removal of Cd. Experimental studies and computational analyses revealed that electrostatic interaction and surface complexation were the principal underlying processes for Cd removal by TH@TI-TBC. In addition, an innovative material that can transform the waste into a product for environmental remediation must be developed using the vast amounts of Teff hay that are generated as agro-residue. So, this work proved that TH@TI-TBC can be made from Teff hay biocarbon could be a potential candidate for removing Cd from industrial wastewater.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/zpch-2024-0715/pdf

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