Biogas is one of the most attractive renewable resources because of its ability to convert waste into energy. Biogas is produced during an anaerobic digestion process from various organic waste resources. It is composed of mainly CH4, CO2, and some trace gases such as hydrogen sulphide (H2S) which is a very toxic, deadly and corrosive gas. Therefore, raw biogas must be cleaned of hydrogen sulphide (H2S) before being used in many applications. Activated carbon is commonly used for adsorption due to its high surface area, micro porosity, thermal stability, high removal capacity and low cost compared to other adsorbents. The general objective of this work was to study the removal efficiency of hydrogen sulphide (H2S) by the acacia auriculeaformis activated carbon. The acacia auriculeaformis is a tree that can be exploited for wood charcoal because of its rapid growth, even on infertile sites, and its tolerance to very acidic and alkaline soils. The carbonization of the acacia auriculeaformis branches were done using an oven at 550°C for four hours and activated by a 1 mol/L sodium hydroxide solution. The physicochemical parameters such as Iodine adsorption number, ash content, point zero-charge pH (pHZPC), and tapped density were determined to characterize the synthesized activated carbon. The tests of H2S elimination by adsorption on activated carbons were carried out at the poultry farm FONDATION BRIN, located in the village YAOKOKOROKO, sub-prefecture of TABAGNE in the GONTOUGO region. This farm has an anaerobic digestion with a capacity of 15m3 for the treatment of the chicken manure it produces. Two types of filtration columns were used: a 15 cm column with a capacity of 15 g of carbon and a 30 cm column with a capacity of 30 g of carbon. The iodine value, ash content, moisture content, pHZPC, tapped density of the prepared activated carbon were 609.12 mg/g, 2.38%, 11.16%, 7.73 and 1.51 respectively. These results indicate that the prepared activated carbon is microporous (0-2 mm), of good quality and lightweight. Furthermore, the prepared activated carbon samples have a removal efficiency (RE) of H2S, during the working time (10 h), higher than 97% for both types of columns used with H2S output concentrations lower than 10 ppm which is the tolerance threshold for prolonged exposure. These results are similar with commercial activated carbon. The acacia auriculeaformis activated carbon can be used to remove hydrogen sulphide from biogas.
| Published in | Science Journal of Chemistry (Volume 10, Issue 5) |
| DOI | 10.11648/j.sjc.20221005.15 |
| Page(s) | 170-176 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Biogas, Hydrogen Sulphide, Activated Carbon, Adsorption, Acacia Auriculeaformis
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APA Style
Kouakou Adjoumani Rodrigue, Ehouman Ahissan Donatien, Konan Affoue Tindo Sylvie, Kouadio Nzebo Joachim, Kra Drissa Ouattara, et al. (2022). Removal of Hydrogen Sulfide from Biogas by the Acacia Auriculeaformis Activated Carbon. Science Journal of Chemistry, 10(5), 170-176. https://doi.org/10.11648/j.sjc.20221005.15
ACS Style
Kouakou Adjoumani Rodrigue; Ehouman Ahissan Donatien; Konan Affoue Tindo Sylvie; Kouadio Nzebo Joachim; Kra Drissa Ouattara, et al. Removal of Hydrogen Sulfide from Biogas by the Acacia Auriculeaformis Activated Carbon. Sci. J. Chem. 2022, 10(5), 170-176. doi: 10.11648/j.sjc.20221005.15
AMA Style
Kouakou Adjoumani Rodrigue, Ehouman Ahissan Donatien, Konan Affoue Tindo Sylvie, Kouadio Nzebo Joachim, Kra Drissa Ouattara, et al. Removal of Hydrogen Sulfide from Biogas by the Acacia Auriculeaformis Activated Carbon. Sci J Chem. 2022;10(5):170-176. doi: 10.11648/j.sjc.20221005.15
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Download@article{10.11648/j.sjc.20221005.15,
author = {Kouakou Adjoumani Rodrigue and Ehouman Ahissan Donatien and Konan Affoue Tindo Sylvie and Kouadio Nzebo Joachim and Kra Drissa Ouattara and Adou Kouakou Eric and Konan Gbangbo Remis and Ekou Tchirioua},
title = {Removal of Hydrogen Sulfide from Biogas by the Acacia Auriculeaformis Activated Carbon},
journal = {Science Journal of Chemistry},
volume = {10},
number = {5},
pages = {170-176},
doi = {10.11648/j.sjc.20221005.15},
url = {https://doi.org/10.11648/j.sjc.20221005.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20221005.15},
abstract = {Biogas is one of the most attractive renewable resources because of its ability to convert waste into energy. Biogas is produced during an anaerobic digestion process from various organic waste resources. It is composed of mainly CH4, CO2, and some trace gases such as hydrogen sulphide (H2S) which is a very toxic, deadly and corrosive gas. Therefore, raw biogas must be cleaned of hydrogen sulphide (H2S) before being used in many applications. Activated carbon is commonly used for adsorption due to its high surface area, micro porosity, thermal stability, high removal capacity and low cost compared to other adsorbents. The general objective of this work was to study the removal efficiency of hydrogen sulphide (H2S) by the acacia auriculeaformis activated carbon. The acacia auriculeaformis is a tree that can be exploited for wood charcoal because of its rapid growth, even on infertile sites, and its tolerance to very acidic and alkaline soils. The carbonization of the acacia auriculeaformis branches were done using an oven at 550°C for four hours and activated by a 1 mol/L sodium hydroxide solution. The physicochemical parameters such as Iodine adsorption number, ash content, point zero-charge pH (pHZPC), and tapped density were determined to characterize the synthesized activated carbon. The tests of H2S elimination by adsorption on activated carbons were carried out at the poultry farm FONDATION BRIN, located in the village YAOKOKOROKO, sub-prefecture of TABAGNE in the GONTOUGO region. This farm has an anaerobic digestion with a capacity of 15m3 for the treatment of the chicken manure it produces. Two types of filtration columns were used: a 15 cm column with a capacity of 15 g of carbon and a 30 cm column with a capacity of 30 g of carbon. The iodine value, ash content, moisture content, pHZPC, tapped density of the prepared activated carbon were 609.12 mg/g, 2.38%, 11.16%, 7.73 and 1.51 respectively. These results indicate that the prepared activated carbon is microporous (0-2 mm), of good quality and lightweight. Furthermore, the prepared activated carbon samples have a removal efficiency (RE) of H2S, during the working time (10 h), higher than 97% for both types of columns used with H2S output concentrations lower than 10 ppm which is the tolerance threshold for prolonged exposure. These results are similar with commercial activated carbon. The acacia auriculeaformis activated carbon can be used to remove hydrogen sulphide from biogas.},
year = {2022}
}
TY - JOUR T1 - Removal of Hydrogen Sulfide from Biogas by the Acacia Auriculeaformis Activated Carbon AU - Kouakou Adjoumani Rodrigue AU - Ehouman Ahissan Donatien AU - Konan Affoue Tindo Sylvie AU - Kouadio Nzebo Joachim AU - Kra Drissa Ouattara AU - Adou Kouakou Eric AU - Konan Gbangbo Remis AU - Ekou Tchirioua Y1 - 2022/10/17 PY - 2022 N1 - https://doi.org/10.11648/j.sjc.20221005.15 DO - 10.11648/j.sjc.20221005.15 T2 - Science Journal of Chemistry JF - Science Journal of Chemistry JO - Science Journal of Chemistry SP - 170 EP - 176 PB - Science Publishing Group SN - 2330-099X UR - https://doi.org/10.11648/j.sjc.20221005.15 AB - Biogas is one of the most attractive renewable resources because of its ability to convert waste into energy. Biogas is produced during an anaerobic digestion process from various organic waste resources. It is composed of mainly CH4, CO2, and some trace gases such as hydrogen sulphide (H2S) which is a very toxic, deadly and corrosive gas. Therefore, raw biogas must be cleaned of hydrogen sulphide (H2S) before being used in many applications. Activated carbon is commonly used for adsorption due to its high surface area, micro porosity, thermal stability, high removal capacity and low cost compared to other adsorbents. The general objective of this work was to study the removal efficiency of hydrogen sulphide (H2S) by the acacia auriculeaformis activated carbon. The acacia auriculeaformis is a tree that can be exploited for wood charcoal because of its rapid growth, even on infertile sites, and its tolerance to very acidic and alkaline soils. The carbonization of the acacia auriculeaformis branches were done using an oven at 550°C for four hours and activated by a 1 mol/L sodium hydroxide solution. The physicochemical parameters such as Iodine adsorption number, ash content, point zero-charge pH (pHZPC), and tapped density were determined to characterize the synthesized activated carbon. The tests of H2S elimination by adsorption on activated carbons were carried out at the poultry farm FONDATION BRIN, located in the village YAOKOKOROKO, sub-prefecture of TABAGNE in the GONTOUGO region. This farm has an anaerobic digestion with a capacity of 15m3 for the treatment of the chicken manure it produces. Two types of filtration columns were used: a 15 cm column with a capacity of 15 g of carbon and a 30 cm column with a capacity of 30 g of carbon. The iodine value, ash content, moisture content, pHZPC, tapped density of the prepared activated carbon were 609.12 mg/g, 2.38%, 11.16%, 7.73 and 1.51 respectively. These results indicate that the prepared activated carbon is microporous (0-2 mm), of good quality and lightweight. Furthermore, the prepared activated carbon samples have a removal efficiency (RE) of H2S, during the working time (10 h), higher than 97% for both types of columns used with H2S output concentrations lower than 10 ppm which is the tolerance threshold for prolonged exposure. These results are similar with commercial activated carbon. The acacia auriculeaformis activated carbon can be used to remove hydrogen sulphide from biogas. VL - 10 IS - 5 ER -
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