Influence of Orthophosphoric Acid Activation on the Quality of Activated Carbons

Author:

Amadou Kiari Mahamane Nassirou1ORCID,Konan Affoué Tindo Sylvie2,Sanda Mamane Ousmaila3,Kone Horo4,Fanou Guy Didier1,Siragi Dounounou Boukari Maâzou5,Ibrahim Grema Maman Hamissou1,Malam Alma Maman Mousbahou5,Yao Kouassi Benjamin1

Affiliation:

1. HOUPHOUËT-BOIGNY National Polytechnic Institute

2. University Nangui Abrogoua

3. University of Agadez

4. Alassane Ouattara University of Bouaké

5. Abdou Moumouni University (UAM)

Abstract

Activated carbon (AC) is an adsorbent material used for the removal of pollutants from wastewater. Unfortunately, these materials used by the industry are very expensive. This is why research is being conducted to produce low-cost activated carbons from natural biomass. The objective of this work is to study the effect of activation by orthophosphoric acid on the quality of activated carbons. The different techniques used for the characterization are: the Iodine number and the Methylene Blue Index. For activated carbons prepared in a single activation step, iodine number of 609.12 and methylene blue value of 102.48 mg/g were obtained. For those prepared in two activation steps, iodine number of 951.75 mg/g and methylene blue value of 115.14 mg/g were obtained.

Publisher

Trans Tech Publications, Ltd.

Reference23 articles.

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3. Optimization by Using Response Surface Methodology of the Preparation from Plantain Spike of a Micro-/Mesoporous Activated Carbon Designed for Removal of Dyes in Aqueous Solution;Briton;Arabian Journal for Science and Engineering,2020

4. M.N.A. Kiari et al., « Process conditions optimization of plant waste-derived microporous activated carbon using a full factorial design and genetic algorithm », p.16, 2022.

5. A.T.S. Konan, R. Richard, C. Andriantsiferana, et K. B. Yao, « Recovery of borassus palm tree and bamboo waste into activated carbon: application to the phenolic compound removal », p.15, 2020.

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