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Soy Flour Ash for Adsorption of Cationic and Anionic Dyes from Aqueous Media

  • Raveena Choudhary
  • , Aayush Gupta
  • , O. P. Pandey
  • , Loveleen K. Brar

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This study involves synthesis and characterizations of soy flour ash, an environmentally beneficial and low-cost adsorbent, prepared in the muffle furnace by heating soy flour at 450 and 600 °C without pre/post-treatment. TGA was used to determine the heat treatment temperatures and SEM, XRD, FTIR, and XPS were further used to characterize the prepared samples. Cationic and anionic dyes, viz., methylene blue (MB) and eriochrome black-T (EBT) were used to determine the adsorption characteristics of the prepared samples. Availability of higher carbon content and favorable mineral content in sample SM-450 resulted in better adsorption properties. To determine the adsorption mechanism, kinetic models were fitted, and the adsorption process was found to follow pseudo-second-order kinetics. At equilibrium, 24.1 mg/g of MB and 17.4 mg/g of EBT were adsorbed onto SM-450.

Original languageEnglish
Title of host publicationRecent Advances in Manufacturing and Thermal Engineering - Select Proceedings of RAMMTE 2022
EditorsAnil Kumar, Mohammad Zunaid, K.A. Subramanian, Heechang Lim
PublisherSpringer Science and Business Media Deutschland GmbH
Pages1-11
Number of pages11
ISBN (Print)9789811985164
DOIs
StatePublished - 2023
Externally publishedYes
Event3rd International Conference on Recent Advances in Materials, Manufacturing and Thermal Engineering, RAMMTE 2022 - Delhi, India
Duration: 8 Jul 20229 Jul 2022

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference3rd International Conference on Recent Advances in Materials, Manufacturing and Thermal Engineering, RAMMTE 2022
Country/TerritoryIndia
CityDelhi
Period8/07/229/07/22

Keywords

  • Adsorption
  • Anionic dye
  • Cationic dye
  • Kinetic models
  • Soy flour ash

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