Yuxiang Zhao , Taotao Lu , Guochen Xu , Yilun Luo , Xianlong Zhang , Xueping Wu , Xiaozhao Han , Jefferson W. Tester , Kui Wang
{"title":"水稻秸秆和酸性乳清的水热共碳化可提高水炭性能和营养回收率","authors":"Yuxiang Zhao , Taotao Lu , Guochen Xu , Yilun Luo , Xianlong Zhang , Xueping Wu , Xiaozhao Han , Jefferson W. Tester , Kui Wang","doi":"10.1016/j.gerr.2024.100077","DOIUrl":null,"url":null,"abstract":"<div><p>This study investigated rice straw hydrothermal carbonization (HTC) in water, optimizing operating conditions to enhance solid carbon content and nitrogen content in hydrochar. Additionally, we conducted hydrothermal co-carbonization (co-HTC) of rice straw and acid whey, achieving significant improvements in hydrochar properties. Co-HTC resulted in a 53.6% increase in HHVs, 20.0% higher yield, and a 42.7% rise in carbon content, accompanied by notable reductions in ash content. Nitrogen content increased by 26.0%, P content by 12.7 times, and K content by 27.6%. Analytical techniques revealed promising modifications, indicating potential applications of hydrochar in solid fuel or organic fertilizers, thus contributing to a circular bioeconomy in agricultural waste management.</p></div>","PeriodicalId":100597,"journal":{"name":"Green Energy and Resources","volume":"2 2","pages":"Article 100077"},"PeriodicalIF":0.0000,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949720524000316/pdfft?md5=e4aab717fdab5ec5de229b65638e7253&pid=1-s2.0-S2949720524000316-main.pdf","citationCount":"0","resultStr":"{\"title\":\"Hydrothermal co-carbonization of rice straw and acid whey for enhanced hydrochar properties and nutrient recovery\",\"authors\":\"Yuxiang Zhao , Taotao Lu , Guochen Xu , Yilun Luo , Xianlong Zhang , Xueping Wu , Xiaozhao Han , Jefferson W. Tester , Kui Wang\",\"doi\":\"10.1016/j.gerr.2024.100077\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This study investigated rice straw hydrothermal carbonization (HTC) in water, optimizing operating conditions to enhance solid carbon content and nitrogen content in hydrochar. Additionally, we conducted hydrothermal co-carbonization (co-HTC) of rice straw and acid whey, achieving significant improvements in hydrochar properties. Co-HTC resulted in a 53.6% increase in HHVs, 20.0% higher yield, and a 42.7% rise in carbon content, accompanied by notable reductions in ash content. Nitrogen content increased by 26.0%, P content by 12.7 times, and K content by 27.6%. Analytical techniques revealed promising modifications, indicating potential applications of hydrochar in solid fuel or organic fertilizers, thus contributing to a circular bioeconomy in agricultural waste management.</p></div>\",\"PeriodicalId\":100597,\"journal\":{\"name\":\"Green Energy and Resources\",\"volume\":\"2 2\",\"pages\":\"Article 100077\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.sciencedirect.com/science/article/pii/S2949720524000316/pdfft?md5=e4aab717fdab5ec5de229b65638e7253&pid=1-s2.0-S2949720524000316-main.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Green Energy and Resources\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2949720524000316\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Green Energy and Resources","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2949720524000316","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Hydrothermal co-carbonization of rice straw and acid whey for enhanced hydrochar properties and nutrient recovery
This study investigated rice straw hydrothermal carbonization (HTC) in water, optimizing operating conditions to enhance solid carbon content and nitrogen content in hydrochar. Additionally, we conducted hydrothermal co-carbonization (co-HTC) of rice straw and acid whey, achieving significant improvements in hydrochar properties. Co-HTC resulted in a 53.6% increase in HHVs, 20.0% higher yield, and a 42.7% rise in carbon content, accompanied by notable reductions in ash content. Nitrogen content increased by 26.0%, P content by 12.7 times, and K content by 27.6%. Analytical techniques revealed promising modifications, indicating potential applications of hydrochar in solid fuel or organic fertilizers, thus contributing to a circular bioeconomy in agricultural waste management.
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