Fabrication of an adsorbent from Ficus racemosa leaf biomass for fluoride removal and its preparation cost analysis

Chandra Bhan1* and Jiwan Singh1

1Department of Environmental Science, Babasaheb Bhimrao Ambedkar University, Lucknow-226025, India

ARTICLE INFOR: Received on 01 April 2022; Accepted on 22 May 2022; Published on 30 June 2022

CORRESPONDING AUTHOR: E-mail: evs.bhan@gmail.com (C. Bhan), Tel: +91-9721188625.

Journal of Applied Science, Innovation & Technology 1(1), 1-5 (2022)

Abstract

This study aims to prepare an adsorptive agent from the cluster fig (Ficus racemosa) leaf biomass and its utilization for the elimination of fluoride ions from the synthetic water. A carbon material developed from Leaf biomass was impregnated with zirconium at temperature (300 ºC). Scanning electron microscopy (SEM) and Fourier transformed infrared spectroscopy (FTIR) were used to analyze the appearance of surface structure and present functional groups on its surface. Determination of zero point charge (pHzpc) of the adsorbent particles also was conducted by salt addition methods. Effect of adsorbent amount, pH of the solution, interaction time, and starting fluoride ion concentration on adsorption percentage were studied at room temperature. Under optimized conditions including 4 g/L adsorbent dose, 10 mg/L initial concentration of fluoride, and neutral pH, the maximum adsorption percentage of fluoride was found to be 84.5%. The maximum adsorption capacity of the adsorbent was obtained 2.12 mg/g. The adsorbent having good adsorption performance can be applied for the defluoridation of water. The preparation cost of the prepared adsorbent also was estimated in this study.

Keywords: Ficus racemosa; adsorption; fluoride; fluorosis

Scope: Environmental Engineering

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