1.农业农村部长江中下游农业装备重点实验室/华中农业大学工学院/华中农业大学农业碳中和工程技术与装备研究中心，武汉 430070;2.湖北理工学院环境科学与工程学院，黄石 435003
周檀，E-mail：897138913@qq.com
袁巧霞，E-mail：qxyuan@mail.hzau.edu.cn
S216.2;X705
国家自然科学基金项目（31872400）
- ZHOU Tan 1
ZHOU Tan
Key Laboratory of Agricultural Equipment in Mid-Lower Yangtze River， Ministry of Agriculture and Rural Affairs/College of Engineering， Huazhong Agricultural University/Technology & Equipment Center for Carbon Neutrality in Agriculture， Huazhong Agricultural University， Wuhan 430070，China
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ZHANG Xin
Key Laboratory of Agricultural Equipment in Mid-Lower Yangtze River， Ministry of Agriculture and Rural Affairs/College of Engineering， Huazhong Agricultural University/Technology & Equipment Center for Carbon Neutrality in Agriculture， Huazhong Agricultural University， Wuhan 430070，China
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- FAN Chenxin 1
FAN Chenxin
Key Laboratory of Agricultural Equipment in Mid-Lower Yangtze River， Ministry of Agriculture and Rural Affairs/College of Engineering， Huazhong Agricultural University/Technology & Equipment Center for Carbon Neutrality in Agriculture， Huazhong Agricultural University， Wuhan 430070，China
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YUAN Qiaoxia
Key Laboratory of Agricultural Equipment in Mid-Lower Yangtze River， Ministry of Agriculture and Rural Affairs/College of Engineering， Huazhong Agricultural University/Technology & Equipment Center for Carbon Neutrality in Agriculture， Huazhong Agricultural University， Wuhan 430070，China
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1.Key Laboratory of Agricultural Equipment in Mid-Lower Yangtze River， Ministry of Agriculture and Rural Affairs/College of Engineering， Huazhong Agricultural University/Technology & Equipment Center for Carbon Neutrality in Agriculture， Huazhong Agricultural University， Wuhan 430070，China;2.School of Environmental Science and Engineering， Hubei Polytechnic University， Huangshi 435003， China
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为实现病死畜禽多目标产物高值转化，研究了微波-常规两步水热法处理不同模式病死猪模型化合物制备生物油及其相关特性。结果显示：蛋白质（P）、脂质（L）和碳水化合物（C）比例为5∶20∶1以及20∶5∶1时模型化合物试验组的生物油产率随着终端常规水热温度的升高呈现出先升高后降低的趋势，P∶L∶C为12∶12∶1时模型化合物试验组的生物油产率随着常规水热温度的升高而持续地升高。在相同反应条件下脂质含量较高的模式病死猪模型化合物制备的生物油热值相对较高，三组分对生物油热值的交互作用不仅与组分比例有关也与反应温度有关。3种模式病死猪模型化合物制备的生物油总氮转化率均在260 ℃时达到最大值，水相产物总氮转化率均在280 ℃时达到最大值，调控N元素的迁移提高生物油的品质具有可行性。P∶L∶C为5∶20∶1的模型化合物试验组仅经微波水热处理制备的生物油有最佳的综合燃烧性能，其最大的综合燃烧特性指数为8.22×10-7 K-3/min，脂质含量的增加可以提高病死猪水热生物油的综合燃烧性能。
The preparation of bio-oil from different models of sick and dead pigs with microwave-conventional two-step hydrothermal treatment and its related characteristics were studied to realize the high-value transformation of multi-target products of sick and dead livestock and poultry. The results showed that the bio-oil yield of the experiment group showed a trend of first increasing and then decreasing with the increase of the conventional hydrothermal temperature of the terminal when the ratio of protein（P）， lipid（L） and carbohydrate（C） was 5∶20∶1 and 20∶5∶1. When P∶L∶C was 12∶12∶1， the bio-oil yield of the experiment group continued to increase with the increase of conventional hydrothermal temperature of the terminal. In general， the higher heating value （HHV） of bio-oil in model pigs with higher lipid content was relatively higher under the same reaction conditions. The interaction of the three components on the HHV of bio-oil was related not only to the proportion of components but also to the reaction temperature. The total-nitrogen （TN） conversion rate of bio-oils of the three models of sick and dead pigs reached the maximum value at 260 ℃， and that of aqueous phase products reached the maximum value at 280 ℃. It was feasible to regulate the migration of N element to improve the quality of bio-oil. The bio-oil prepared only by microwave hydrothermal treatment in the experiment group with P∶L∶C of 5∶20∶1 had the largest comprehensive combustion characteristic index of 8.22×10-7 K-3/min. It is indicated that the increase of lipid content can improve the comprehensive combustion performance of hydrothermal bio-oil from sick and dead pigs.
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周檀,张鑫,杨龙元,樊晨昕,袁巧霞.两步水热法处理不同模式病死猪制备的生物油特性研究[J].华中农业大学学报,2022,41(4):87-95
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- 收稿日期:2022-02-16
- 在线发布日期: 2022-10-12
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