Manganese Adsorption onto Permanganate-Modified Bamboo Biochars from Groundwater-Reference-Cited by-同舟云学术

Manganese Adsorption onto Permanganate-Modified Bamboo Biochars from Groundwater

Published:2023-04-18 Issue:8 Volume:15 Page:6831
ISSN:2071-1050
Container-title:Sustainability
language:en
Short-container-title:Sustainability

Author:

Wilamas Arachaporn¹,Vinitnantharat Soydoa¹²^ORCID,Pinisakul Anawat³^ORCID

Affiliation:

1. Environmental Technology Program, School of Energy, Environment and Materials, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand

2. Environmental and Energy Management for Community and Circular Economy (EEC&C) Research Group, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand

3. Chemistry for Green Society and Healthy Research Group (ChGSH), Department of Chemistry, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand

Abstract

Potassium permanganate-modified bamboo biochar (MBB) was used to adsorb manganese from simulated groundwater and its performance was compared to that of unmodified bamboo biochar (BB), activated carbon, and manganese greensand. The adsorption kinetics, adsorption isotherms, and manganese fractions were investigated. The Langmuir model was the best fit for manganese adsorption by MBB and BB at the maximum adsorption capacities of 21.277 and 0.803 mg g−1, respectively. The heat of adsorption from the Temkin model indicated that manganese adsorption occurs via an ion exchange process for MBB and a physical adsorption process for BB. The sequential extraction results revealed that manganese was strongly bound to the iron/manganese oxide fraction, in accordance with the chemical adsorption established in pseudo-second order kinetic data records.

Funder

National Research Council of Thailand

the Research, Innovation, and Partnerships Office, King Mongkut’s University of Technology Thonburi

Publisher

MDPI AG

Subject

Management, Monitoring, Policy and Law,Renewable Energy, Sustainability and the Environment,Geography, Planning and Development,Building and Construction

Link

https://www.mdpi.com/2071-1050/15/8/6831/pdf

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