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可再生能源驱动放电等离子体助推双碳目标策略与路线
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作者 邵涛 张帅 +4 位作者 章程 高远 孙昊 窦立广 席登科 《中国电机工程学报》 EI CSCD 北大核心 2024年第18期7453-7478,I0027,共27页
实现碳达峰、碳中和对促进我国经济高质量发展至关重要。面对现有CO_(2)捕集封存(高能耗)和合成氨(高碳排)技术升级需求,发展基于可再生能源的新型CO_(2)、N_(2)等能源小分子转化利用技术势在必行。为推动等离子体能源小分子转化技术的... 实现碳达峰、碳中和对促进我国经济高质量发展至关重要。面对现有CO_(2)捕集封存(高能耗)和合成氨(高碳排)技术升级需求,发展基于可再生能源的新型CO_(2)、N_(2)等能源小分子转化利用技术势在必行。为推动等离子体能源小分子转化技术的发展,助力国家重大需求、实现碳中和目标,该文分别围绕可再生能源驱动等离子体产生、等离子体CO_(2)转化利用、等离子体固氮和合成氨、等离子体氨/大分子裂解燃烧、等离子体催化材料和催化耦合等方面,规划建议高压放电等离子体技术助推“双碳”战略目标的策略与路线,以期为实现C、H和N绿色循环提供有效的解决方案。 展开更多
关键词 碳达峰、碳中和 低温等离子体 CO_(2)利用 合成氨 可再生能源
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Single flow treatment degradation of antibiotics in water using falling-film dielectric barrier discharge
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作者 许志远 章程 +4 位作者 伍云健 黄邦斗 席登科 张晓星 邵涛 《Plasma Science and Technology》 SCIE EI CAS CSCD 2024年第4期27-36,共10页
The environmental contamination caused by antibiotics is increasingly conspicuous due to their widespread manufacture and misuse. Plasma has been employed in recent years for the remediation of antibiotic pollution in... The environmental contamination caused by antibiotics is increasingly conspicuous due to their widespread manufacture and misuse. Plasma has been employed in recent years for the remediation of antibiotic pollution in the environment. In this work, a falling-film dielectric barrier discharge was used to degrade the antibiotic tetracycline(TC) in water. The reactor combined the gas-liquid discharge and active gas bubbling to improve the TC degradation performance. The discharge characteristics, chemical species’ concentration, and degradation rates at different parameters were systematically studied. Under the optimized conditions(working gas was pure oxygen, liquid flow rate was 100 mL/min, gas flow rate was 1 L/min,voltage was 20 kV, single treatment), TC was removed beyond 70% in a single flow treatment with an energy efficiency of 145 mg/(kW·h). The reactor design facilitated gas and liquid flow in the plasma area to produce more ozone in bubbles after a single flow under pure oxygen conditions, affording fast TC degradation. Furthermore, long-term stationary experiment indicated that long-lived active species can sustain the degradation of TC. Compared with other plasma treatment systems, this work offers a fast and efficient degradation method, showing significant potential in practical industrial applications. 展开更多
关键词 antibiotic degradation dielectric barrier discharge reactive species single flow treatment
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等离子体电解液化生物质的发展及展望
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作者 黄紫薇 席登科 +1 位作者 张先徽 杨思泽 《石油学报(石油加工)》 EI CAS CSCD 北大核心 2023年第5期1104-1115,共12页
生物质能源具有储量丰富、可再生、碳中性等特点,有望成为化石能源的替代品,解决化石能源使用所带来的能源危机和温室效应等问题。通过电能/等离子体能将生物质能转化为化学能是实现碳移除和负排放重要途径,其中电能-等离子体-生物质能... 生物质能源具有储量丰富、可再生、碳中性等特点,有望成为化石能源的替代品,解决化石能源使用所带来的能源危机和温室效应等问题。通过电能/等离子体能将生物质能转化为化学能是实现碳移除和负排放重要途径,其中电能-等离子体-生物质能-化学能之间的闭环转化(零损耗)显得尤为重要。将低价值、可再生、生物质能转化为更高价值的形式(化学能),为燃料和化学品生产提供了可行的机会,在生物质能转化为化学能过程中实现了碳中和与零排放,为未来生物质能在技术、环境和经济上投入应用铺平道路。系统阐述了等离子体电解液化生物质的原理以及产物应用方面的研究进展,同时针对等离子体电解液化的缺点,提出相应的策略,为未来的研究和转化提供参考。 展开更多
关键词 等离子体 生物质能源 液化 生物燃料 化学品 碳中性
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米糠油砂在制芯中的应用
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作者 席登科 《陕西汽车》 1993年第3期25-26,共2页
关键词 胶粘剂 性能 制芯 铸造 米糖油
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Plasma electrolytic liquefaction of sawdust
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作者 Cong-Cong Jiang Shi-Yun Liu +7 位作者 Zhe Feng Zhi Fang Xian-Hui Zhang Dan-Hua Mei Deng-Ke Xi Bing-Yu Luan Xing-Quan Wang Si-Ze Yang 《Chinese Physics B》 SCIE EI CAS CSCD 2019年第4期425-432,共8页
As a renewable carbon resource, biomass can be converted into polyols, aromatic hydrocarbons, alkanes, and other products by traditional catalytic liquefaction method, which has been widely used in production and life... As a renewable carbon resource, biomass can be converted into polyols, aromatic hydrocarbons, alkanes, and other products by traditional catalytic liquefaction method, which has been widely used in production and life. The efficient development and utilization of biomass energy will play a very positive role in solving the problems of energy and ecological environment. A way of combining the plasma electrolysis with traditional catalytic liquefaction realizes the efficient liquefaction of sawdust, which provides a new liquefaction way for traditional biomass conversion. In this experiment, the effects of solution composition, catalyst content and power supply on solution resistance and liquefaction rate are analyzed.It is found that solution composition and catalyst content have a great influence on solution resistance. The results show that the liquefaction rate is highest and the resistance is smallest when the solution resistance is 500 ?. The liquefaction rate is greatly affected by the solution temperature, and the solution temperature is determined by the output power between the two electrodes. The output power includes the heating power of the electric field and the discharge power of the plasma.We measure the electric potential field distribution in the solution and the plasma power. It is found that the output power between the two poles increases nonlinearly(from 0 to 270 W) with time. In two minutes, the electric field heating power increases from 0 to 105 W and then decreases to 70 W, while the plasma power increases from 0 to 200 W. It is well known that in the first 70 seconds of the experiment the electric field heating is dominant, and then the plasma heating turns into a main thermal source. In this paper, plasma electrolysis and traditional catalytic liquefaction are combined to achieve the efficient liquefaction of sawdust, which provides a new way for biomass liquefaction. 展开更多
关键词 BIOMASS LIQUEFACTION PLASMA electrolytic
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Impact of microsecond-pulsed plasma-activated water on papaya seed germination and seedling growth
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作者 Deng-Ke Xi Xian-Hui Zhang +4 位作者 Si-Ze Yang Seong Shan Yap Kenji Ishikawa Masura Hori Seong Ling Yap 《Chinese Physics B》 SCIE EI CAS CSCD 2022年第12期630-641,共12页
The seed of Carica papaya consists of a hard shell-like testa with inhibitors in vivo causing slow,erratic and asynchronous germination.In this work,plasma-activated water prepared by microsecond-pulsed plasma jets(μ... The seed of Carica papaya consists of a hard shell-like testa with inhibitors in vivo causing slow,erratic and asynchronous germination.In this work,plasma-activated water prepared by microsecond-pulsed plasma jets(μPAW)was applied to treat papaya seeds.TheμPAW after plasma activation of 30 min was about 40℃.The reactive species such as NO_(2),NO_(3),and H_(2)O_(2)in theμPAW activated from deionized water were measured and correlated to the seed germination rate and the seedling growth performance.TheμPAW-treated papaya seed achieved a higher germination rate of 90%,which is 26%higher than the control group using deionized water.Comparing the results with a hot water(40℃)reference group showed that the reactive species inμPAW played primary roles in germination improvement,with little effect caused by the heat shock.TheμPAW also sterilized the treated seeds,reducing the germination stress.The morphological change in the seeds was observed by SEM,showing an effect of physical etching after treatment promoting seed imbibition.The biochemical mechanism of the seed germination was deduced with reference to the evolution of surface chemistry,functional groups,and ABA content.The accelerated seed metabolism observed was corresponded to the chemical modification pathway.Besides,early seedlings developed from treated seeds were observed to be healthy,grow more leaves,and have better root structures.The content of MDA in the treated papaya seedlings decreased along with increased SOD and higher ion concentration.TheμPAW that can be prepared at atmospheric pressure for bulk production offers a low-risk and cost-effective seed priming technology that may significantly increase the production of agricultural crops. 展开更多
关键词 plasma-activated water non-thermal plasma microbial inactivation seed metabolism
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