Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches
Abstract In this study, co‐generation from rice straw based on pyrolysis and gasification was studied by experimental and modeling approaches. Pyrolysis experiment results show that improving pyrolysis temperature will benefit the yield of gas and bio‐oil, while reducing the yield of bio‐char. The B...
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| Format: | Article |
| Language: | English |
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Wiley
2024-03-01
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| Series: | Energy Science & Engineering |
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| Online Access: | https://doi.org/10.1002/ese3.1658 |
| _version_ | 1797263010429927424 |
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| author | Shengnan Wang Jiangke Cheng |
| author_facet | Shengnan Wang Jiangke Cheng |
| author_sort | Shengnan Wang |
| collection | DOAJ |
| description | Abstract In this study, co‐generation from rice straw based on pyrolysis and gasification was studied by experimental and modeling approaches. Pyrolysis experiment results show that improving pyrolysis temperature will benefit the yield of gas and bio‐oil, while reducing the yield of bio‐char. The BET (Brunauer, Emmett, and Teller) surface area of bio‐char reached a maximum of 143.26 m2/g when the temperature was increased to 550°C. For co‐generation in this study, an optimized pyrolysis temperature of 500°C was selected. With respect to gasification, air equivalence ratio (ER) largely influenced the syngas yield and composition. At ER = 0.25, the concentration of H2 and CO reached a maximum of 17.8 wt% and 16.2 wt%. Based on the experimental results, an Aspen Plus model was built to evaluate the mass and energy balance during co‐generation. Furthermore, a life cycle assessment method was used to evaluate the greenhouse gas emission during co‐generation process initialed from rice straw planting. Results show that the greenhouse gas emission intensities of the two co‐generation systems were 2.92 and 3.51 g CO2/MJ respectively, which were much lower than traditional fossil fuels. |
| first_indexed | 2024-04-25T00:06:12Z |
| format | Article |
| id | doaj.art-bf315a6de30d4af0868eac6c801d4188 |
| institution | Directory Open Access Journal |
| issn | 2050-0505 |
| language | English |
| last_indexed | 2024-04-25T00:06:12Z |
| publishDate | 2024-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | Energy Science & Engineering |
| spelling | doaj.art-bf315a6de30d4af0868eac6c801d41882024-03-14T05:27:48ZengWileyEnergy Science & Engineering2050-05052024-03-0112386087210.1002/ese3.1658Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approachesShengnan Wang0Jiangke Cheng1School of Biological and Chemical Engineering Panzhihua University Panzhihua Sichuan ChinaSchool of Mathematics and Computer Science Panzhihua University Panzhihua Sichuan ChinaAbstract In this study, co‐generation from rice straw based on pyrolysis and gasification was studied by experimental and modeling approaches. Pyrolysis experiment results show that improving pyrolysis temperature will benefit the yield of gas and bio‐oil, while reducing the yield of bio‐char. The BET (Brunauer, Emmett, and Teller) surface area of bio‐char reached a maximum of 143.26 m2/g when the temperature was increased to 550°C. For co‐generation in this study, an optimized pyrolysis temperature of 500°C was selected. With respect to gasification, air equivalence ratio (ER) largely influenced the syngas yield and composition. At ER = 0.25, the concentration of H2 and CO reached a maximum of 17.8 wt% and 16.2 wt%. Based on the experimental results, an Aspen Plus model was built to evaluate the mass and energy balance during co‐generation. Furthermore, a life cycle assessment method was used to evaluate the greenhouse gas emission during co‐generation process initialed from rice straw planting. Results show that the greenhouse gas emission intensities of the two co‐generation systems were 2.92 and 3.51 g CO2/MJ respectively, which were much lower than traditional fossil fuels.https://doi.org/10.1002/ese3.1658co‐generationgasificationlife cycle assessmentpyrolysisrice straw |
| spellingShingle | Shengnan Wang Jiangke Cheng Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches Energy Science & Engineering co‐generation gasification life cycle assessment pyrolysis rice straw |
| title | Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches |
| title_full | Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches |
| title_fullStr | Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches |
| title_full_unstemmed | Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches |
| title_short | Co‐generation and GHG emission from agricultural waste based on pyrolysis/gasification: Experimental and LCA approaches |
| title_sort | co generation and ghg emission from agricultural waste based on pyrolysis gasification experimental and lca approaches |
| topic | co‐generation gasification life cycle assessment pyrolysis rice straw |
| url | https://doi.org/10.1002/ese3.1658 |
| work_keys_str_mv | AT shengnanwang cogenerationandghgemissionfromagriculturalwastebasedonpyrolysisgasificationexperimentalandlcaapproaches AT jiangkecheng cogenerationandghgemissionfromagriculturalwastebasedonpyrolysisgasificationexperimentalandlcaapproaches |