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Keyword: Adsorption

Factors Affecting the Adsorption of Trivalent Chromium Ions by Activated Carbon Prepared from Waste Rubber Tyres

by Sylvia E. Benjamin and Muhammad Ashfaq Sajjid

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1660–1664, 2017; DOI: 10.25046/aj0203206

Abstract:

Economic gains are generally the outcome of industrialization and consequently urbanization. However, positive fiscal index generates a negative impact on natural environment sources heaving pollutant burden on soil, air and water. Industries throw tones of contaminated water into soil and water bodies without proper treatment and create a potential threat for both living and non-living…

Synthesis and Characterization of Graphene Oxide Under Different Conditions, and a Preliminary Study on its Efficacy to Adsorb Cu\(^{2+}\)

by Olayinka Oluwaseun Oluwasina, Surjyakanta Rana, Sreekantha Babu Jonnalagadda and Bice Susan Martincigh

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 10–16, 2021; DOI: 10.25046/aj060102

Abstract:

Graphene oxide (GO) was prepared by the modified Hummer’s method, but the mass ratio of graphite to sodium nitrate (NaNO3) was varied from 2:1, 1:1, and 1:2. The primary reason for the variation was to determine the optimum conditions that would afford more oxygen functional groups to improve the material for application in adsorption. The…