Plasma Agricultural Nitrogen Fixation Using Clean Energies: New Attempt of Promoting PV Absorption in Rural Areas

In recent years, a large number of countries have connected and distributed photovoltaics in remote rural areas, aiming to promote the use of clean energy in rural areas. The solar energy that is not used in time needs to be discarded, resulting in a large amount of wasted energy. Rural areas are cl...

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Veröffentlicht in:Processes 2023-07, Vol.11 (7), p.2030
Hauptverfasser: Zheng, Qiyu, Li, Liying, Xue, Zhihua, Liu, Yanbin, Zang, Dehua, Wang, Zifeng, Qu, Haowei, Yin, Jiaxuan, Wang, Lidi
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container_end_page
container_issue 7
container_start_page 2030
container_title Processes
container_volume 11
creator Zheng, Qiyu
Li, Liying
Xue, Zhihua
Liu, Yanbin
Zang, Dehua
Wang, Zifeng
Qu, Haowei
Yin, Jiaxuan
Wang, Lidi
description In recent years, a large number of countries have connected and distributed photovoltaics in remote rural areas, aiming to promote the use of clean energy in rural areas. The solar energy that is not used in time needs to be discarded, resulting in a large amount of wasted energy. Rural areas are closely related to agricultural production, and solar energy can be used for agricultural nitrogen fixation to supplement the nitrogen needed by crops and effectively use the upcoming waste of solar energy. A photovoltaic-driven plasma reactor for nitrogen fixation in agriculture was designed in this study. The air inlet and outlet holes are arranged above and below the reactor to facilitate air entry and directly interact with the gliding arc generated at the bottom of the electrode to achieve atmospheric nitrogen fixation in agriculture. The characteristics of gliding arc development in the process of nitrogen fixation in agriculture were studied experimentally. There are two discharge modes of the gliding arc discharge: one is steady arc gliding mode (A-G Mode), and the other is breakdown gliding mode (B-G Mode). By collecting discharge signals, different discharge modes of gliding arc discharge were analyzed, and the effect of the air flow rate on the discharge period and discharge mode ratio distribution is discussed. The effects of the air flow rate on the yield, specific energy input, and energy consumption in plasma agriculture were studied. The experimental results show that with an increase in the air flow rate, the B-G mode takes up a larger proportion and the gliding arc discharge period is shortened. However, the higher the proportion of the B-G mode, the more unfavorable the production of nitrogen oxides. Although the nitrogen oxides generated by the system are not particularly excellent compared with the Haber-Bosch ammonia process (H-B process), the access to distributed photovoltaic roofs in rural and remote areas can effectively use available resources like water, air, and solar, and avoid energy waste in areas where wind and solar are abandoned.
doi_str_mv 10.3390/pr11072030
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By collecting discharge signals, different discharge modes of gliding arc discharge were analyzed, and the effect of the air flow rate on the discharge period and discharge mode ratio distribution is discussed. The effects of the air flow rate on the yield, specific energy input, and energy consumption in plasma agriculture were studied. The experimental results show that with an increase in the air flow rate, the B-G mode takes up a larger proportion and the gliding arc discharge period is shortened. However, the higher the proportion of the B-G mode, the more unfavorable the production of nitrogen oxides. Although the nitrogen oxides generated by the system are not particularly excellent compared with the Haber-Bosch ammonia process (H-B process), the access to distributed photovoltaic roofs in rural and remote areas can effectively use available resources like water, air, and solar, and avoid energy waste in areas where wind and solar are abandoned.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/pr11072030</doi><oa>free_for_read</oa></addata></record>
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subjects Agricultural production
Agricultural wastes
Agriculture
Air flow
Air intakes
Alternative energy sources
Ammonia
Arc discharges
Batteries
Clean energy
Electric arcs
Electricity distribution
Electrodes
Energy consumption
Flow velocity
Gliding
Nitrogen
Nitrogen fixation
Nitrogen oxide
Nitrogen oxides
Nitrogenation
Photovoltaic cells
Plasma
Plasma physics
Power supply
Renewable resources
Rural areas
Solar energy
Solar energy industry
Sparsely populated areas
Specific energy
title Plasma Agricultural Nitrogen Fixation Using Clean Energies: New Attempt of Promoting PV Absorption in Rural Areas
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