Charcoal from anaerobically digested dairy fiber for removal of hydrogen sulfide within biogas
| Autor: | Quanbao Zhao, Tsai Garcia-Perez, Manuel Raul Pelaez-Samaniego, Matthew Smith, Manuel Garcia-Perez, Craig Frear |
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| Rok vydání: | 2018 |
| Předmět: |
Carbonization
020209 energy Hydrogen sulfide Water 02 engineering and technology 010501 environmental sciences Pulp and paper industry 01 natural sciences Hot water extraction chemistry.chemical_compound chemistry Biogas Biofuels Charcoal Biochar 0202 electrical engineering electronic engineering information engineering medicine Adsorption Hydrogen Sulfide Fiber Waste Management and Disposal Pyrolysis 0105 earth and related environmental sciences Activated carbon medicine.drug |
| Zdroj: | Waste Management. 76:374-382 |
| ISSN: | 0956-053X |
| DOI: | 10.1016/j.wasman.2018.03.011 |
| Popis: | Anaerobically digested fibrous solid (AD fiber) is an abundant material that offers potential to produce value-added products such as biochar. The objective of this paper is to better understand how thermochemical processing conditions affect the capacity of biochars derived from AD fiber to adsorb H 2 S from biogas. AD fiber was pyrolyzed in an electric tube reactor at temperatures up to 600° C and 60 min. The chars were employed for H 2 S scrubbing tests from a synthetic biogas. Results showed that the chars' capacity for H 2 S removal is comparable to that of activated carbon. An additional step consisting of impregnation of the chars with Na 2 CO 3 resulted in an improved capacity for H 2 S removal. To study the effect of ash, the AD fiber was also subjected to an alternative thermal treatment, hot water extraction (HWE), at 200° C for 60 min. The resulting HWE material … |
| Databáze: | OpenAIRE |
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