The impact of copper additive content on the synthesis of SiC from rice husks
Silicon carbide is a compound that is usually synthesized by sintering silicon dioxide and carbon in an arc furnace at high temperatures. This method requires sophisticated technology and equipment, which restricts the widespread application of silicon carbide. As a result, researchers have turned t...
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IOP Publishing
2025-01-01
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| Series: | Materials Research Express |
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| Online Access: | https://doi.org/10.1088/2053-1591/adb12d |
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| author | Kieu Do Trung Kien Huynh Ngoc Minh |
| author_facet | Kieu Do Trung Kien Huynh Ngoc Minh |
| author_sort | Kieu Do Trung Kien |
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| description | Silicon carbide is a compound that is usually synthesized by sintering silicon dioxide and carbon in an arc furnace at high temperatures. This method requires sophisticated technology and equipment, which restricts the widespread application of silicon carbide. As a result, researchers have turned to biomass materials for its synthesis, with rice husk being the primary source. However, the efficiency of synthesizing SiC from rice husks tends to be relatively low. This study investigates the effect of copper additives on the synthesis efficiency of SiC. A mixture of rice husks, silica gel, and copper was prepared in varying ratios and then sintered at 1100 °C in a CO _2 atmosphere to promote SiC formation. The SiC content, mineralogical composition, and microstructure of the products were analyzed using ISO 21068-2:2008, Fourier Transform Infrared Spectroscopy, x-ray Diffraction, Scanning Electron Microscopy, and Energy Dispersive x-ray Spectroscopy. The results indicate that a rice husks-to-copper ratio of 1:2 significantly improved SiC production. Despite the enhancement, copper introduced unwanted impurities into the final products. These impurities were successfully removed by washing the SiC with hydrofluoric acid, resulting in a SiC content of 76.25% by weight. The synthesized SiC exhibited both α -SiC and β -SiC allotropic forms, contributing to improved mechanical strength and heat resistance of the material. |
| format | Article |
| id | doaj-art-e3ae9fe1429240e7ab85d91f4768e084 |
| institution | Kabale University |
| issn | 2053-1591 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IOP Publishing |
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| series | Materials Research Express |
| spelling | doaj-art-e3ae9fe1429240e7ab85d91f4768e0842025-02-11T14:15:12ZengIOP PublishingMaterials Research Express2053-15912025-01-0112202550210.1088/2053-1591/adb12dThe impact of copper additive content on the synthesis of SiC from rice husksKieu Do Trung Kien0https://orcid.org/0000-0001-8297-7832Huynh Ngoc Minh1https://orcid.org/0000-0002-2565-4129Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT) , 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City , Linh Trung Ward, Thu Duc City, Ho Chi Minh City, VietnamFaculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT) , 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City , Linh Trung Ward, Thu Duc City, Ho Chi Minh City, VietnamSilicon carbide is a compound that is usually synthesized by sintering silicon dioxide and carbon in an arc furnace at high temperatures. This method requires sophisticated technology and equipment, which restricts the widespread application of silicon carbide. As a result, researchers have turned to biomass materials for its synthesis, with rice husk being the primary source. However, the efficiency of synthesizing SiC from rice husks tends to be relatively low. This study investigates the effect of copper additives on the synthesis efficiency of SiC. A mixture of rice husks, silica gel, and copper was prepared in varying ratios and then sintered at 1100 °C in a CO _2 atmosphere to promote SiC formation. The SiC content, mineralogical composition, and microstructure of the products were analyzed using ISO 21068-2:2008, Fourier Transform Infrared Spectroscopy, x-ray Diffraction, Scanning Electron Microscopy, and Energy Dispersive x-ray Spectroscopy. The results indicate that a rice husks-to-copper ratio of 1:2 significantly improved SiC production. Despite the enhancement, copper introduced unwanted impurities into the final products. These impurities were successfully removed by washing the SiC with hydrofluoric acid, resulting in a SiC content of 76.25% by weight. The synthesized SiC exhibited both α -SiC and β -SiC allotropic forms, contributing to improved mechanical strength and heat resistance of the material.https://doi.org/10.1088/2053-1591/adb12dsilicon carbiderice huskspyrolysisbiomass |
| spellingShingle | Kieu Do Trung Kien Huynh Ngoc Minh The impact of copper additive content on the synthesis of SiC from rice husks Materials Research Express silicon carbide rice husks pyrolysis biomass |
| title | The impact of copper additive content on the synthesis of SiC from rice husks |
| title_full | The impact of copper additive content on the synthesis of SiC from rice husks |
| title_fullStr | The impact of copper additive content on the synthesis of SiC from rice husks |
| title_full_unstemmed | The impact of copper additive content on the synthesis of SiC from rice husks |
| title_short | The impact of copper additive content on the synthesis of SiC from rice husks |
| title_sort | impact of copper additive content on the synthesis of sic from rice husks |
| topic | silicon carbide rice husks pyrolysis biomass |
| url | https://doi.org/10.1088/2053-1591/adb12d |
| work_keys_str_mv | AT kieudotrungkien theimpactofcopperadditivecontentonthesynthesisofsicfromricehusks AT huynhngocminh theimpactofcopperadditivecontentonthesynthesisofsicfromricehusks AT kieudotrungkien impactofcopperadditivecontentonthesynthesisofsicfromricehusks AT huynhngocminh impactofcopperadditivecontentonthesynthesisofsicfromricehusks |