2020
DOI: 10.1080/21655979.2020.1768736
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Removal of hydrogen sulfide from biogas using activated carbon synthesized from different locally available biomass wastes - a case study from Palestine

Abstract: The main aim of this study was to remove hydrogen sulfide (H 2 S) from biogas by adsorption using synthesized activated carbon prepared using locally available biomass. The effect of the type of precursors, impregnation reagent and bed height was studied in continuous reactors. Three types of biomass wastes (almond shells, eucalyptus and coffee grains) were collected, grinded, sieved, pyrolyzed at 500°C and impregnated with chemical reagents such as potassium hydroxide or zinc chloride. … Show more

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Cited by 48 publications
(21 citation statements)
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“…The control of hydrogen sulphide is important because of its inhibiting effect on methanogenic bacteria and the diseases it causes after inhalation. These effects can appear from a level of concentration of hydrogen sulfide high around 2000 ppm [15]. Thus, our results in Fig.…”
Section: Resultssupporting
confidence: 52%
See 1 more Smart Citation
“…The control of hydrogen sulphide is important because of its inhibiting effect on methanogenic bacteria and the diseases it causes after inhalation. These effects can appear from a level of concentration of hydrogen sulfide high around 2000 ppm [15]. Thus, our results in Fig.…”
Section: Resultssupporting
confidence: 52%
“…Also, we note a high rate of 40% of carbon dioxide that can be recovered by other processes such as methanation [14]. Nevertheless, our results are below the 68% biogas produced from food scraps which are richer in carbon [15]. The results show an absence of oxygen.…”
Section: Resultsmentioning
confidence: 51%
“…Some of the biomass waste can be utilized in the manufacture of activated carbon, such as coconut shells (Azevedo et al, 2007;Sawalha et al, 2020Sawalha et al, et al, 2020, corn cob waste (Aisiyah, 2016), fruit peels (Prahas et al, 2008;Musa, 2013), fruit seeds (Olivares-Marin et al, 2006), grain skins (Juwita et al, 2017). Activated carbon is usually produced from carbon-rich materials such as organic materials (lignin, wood, and coal).…”
Section: Introductionmentioning
confidence: 99%
“…Biochar produced from eucalyptus showed an adsorption capacity of ~690 mg hydrogen sulphide/g, followed by almond‐derived biochar (230 mg hydrogen sulphide/g) and coffee grain‐derived biochar (22 mg hydrogen sulphide/g). In addition, biochar treated with chemical reagent, such potassium hydroxide resulted in the increase of adsorption capacity (Sawalha et al, 2020). Biochar produced from agricultural or forestry wastes can effectively absorb hydrogen sulphide from odour gas (Shang et al, 2016).…”
Section: Discussionmentioning
confidence: 99%