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- W3002649497 abstract "The potential of red rock (RR) materials for the removal of H 2 S from biogas was studied. The rock samples were collected, sieved, and organized in various particle size ranges such as 0.32-250 μ m, 250-500 μ m, 500-750 μ m, 750 μ m-1 mm, and 1-1.5 mm. These samples were calcinated at the various temperatures as 500°C, 750°C, and 1000°C and then characterized for phase composition by energy-dispersive X-ray florescent technique, surface morphology by Zeiss Ultra Plus Field Emission Scanning Electron Microscopy (FE-SEM), and surface area by the Brunauer-Emmett-Teller (BET) method. The calcinated RR was filled in the bed reactor, and biogas was allowed to pass through the adsorbent while recording the inlet and exit concentration of H 2 S. The results show that particle size, calcination temperature, adsorbent mass, and biogas flow rate were parameters that influenced the removal efficiency and adsorption capacity of RR. The sample sieved at 0.32-250 μ m and calcinated at a temperature of 1000°C showed 95% high removal efficiency and adsorption capacity of 0.37 g/100 g of the sorbent. Regeneration of spent materials when exposed to air, keep on by reuse in the column, appeared to have nearly similar removal efficiency as the original calcined sample. Thus, the overall performance of the material is promising, which is due to the presence of metals such as iron and magnesium, among others. Therefore, proving the successful elimination of contaminant, RR is an available material for biogas purification." @default.
- W3002649497 created "2020-01-30" @default.
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- W3002649497 date "2020-01-27" @default.
- W3002649497 modified "2023-10-03" @default.
- W3002649497 title "Removal of Hydrogen Sulfide from Biogas Using a Red Rock" @default.
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- W3002649497 doi "https://doi.org/10.1155/2020/2309378" @default.
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