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Research Article

Anti bacterial effect of activated carbons prepared from some biomasses available in North East India

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Pages 4928-4938 | Received 29 Jan 2019, Accepted 04 Aug 2019, Published online: 22 Aug 2019
 

ABSTRACT

In the current study, activated carbons (ACs) prepared from some biomasses available in North East India were tested for its antibacterial capacity. The biomasses used for the preparation of ACs were rubber wood (Hevea brasiliensis), ramie fiber (Boehmeria nivea) and areca catechu husk (Areca catechu) which are basically lignocellulosic in nature and were selected depending on its robust availability in this part of the country. The ACs showed good bactericidal or killing percentage against the commonly available waterborne pathogen Escherichia coli (around 43%) even without incorporation of any metals in it. The ACs were prepared using a modified chemical and physical activation process which were found to be both highly porous (346.02 to 1998.03 m2/gm) and also possess sharp pointed structure in it which could puncture the bacterial cell wall. Various analytical methods like FTIR, SEM, FESEM, UV-Visible Spectroscopy, BET, and DSC were used to characterize the AC samples. This study will provide further insight into the preparation and utilization of specially prepared ACs which can directly be used for water purification purposes.

Acknowledgments

The authors would like to thank the Ministry of Science and Technology, Govt. of India with number BT/COE/34/SP28408/2018 for providing necessary financial support under early-career project with Ref: Project ID 146 under North East Center for Biological Sciences and Healthcare Engineering (NECBH) Twinning Outreach Programme hosted by Indian Institute of Technology Guwahati (IITG), Guwahati, Assam funded by Department of Biotechnology (DBT). The authors would also like to thank Mr. Santosh Deb Barma, Scientist, CSIR IMMT Bhubaneshwar, and Mr N.V.S. Praneeth, Research Scholar, NIT Rourkela for helping with SEM images and FTIR data respectively.

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