Solar-powered decentralized fertilizer production-cum-irrigation unit for producing aqueous ammonia, comprises two sub-unit of water pumping unit and aquous ammonia production unit where these units are powered via a solar photovoltaic unit and the power is distributed via a hybrid
	SRIVASTAVA N; BHOSALE A C; SINGH R; ARORA P
	2024-07-09
专利权人	INDIAN INST TECHNOLOGY ROORKEE (INTE-Non-standard)
申请日期	2024-07-09
专利号	IN202411052393-A
成果简介	NOVELTY - Solar-powered decentralized fertilizer production-cum-irrigation unit comprises two subunits of water pumping unit (2) and aqueous ammonia production unit (3) where these units are powered via a solar photovoltaic unit (1) and the power is distributed via a hybrid (5) and a direct current (DC)-DC converters (4) or a hybrid, and an aqueous ammonia unit is set in an electrolyser and an air separator unit for the production of hydrogen and nitrogen, respectively. USE - Solar-powered decentralized fertilizer production-cum-irrigation unit for producing aqueous ammonia. ADVANTAGE - The solar-powered decentralized fertilizer production-cum-irrigation unit has reduced transportation and storage costs and resultant emissions, and it produces aqueous ammonia which has a better utilization efficiency as compared to the conventionally used nitrogenous fertilizer. The conventional methods of synthesis of nitrogenous fertilizer contribute to global warming, furthermore, using diesel-operated generators for irrigation is not sustainable. The system caters to both irrigation as well as fertilizer requirements at reduced emissions, thus enabling sustainable agricultural practices, and help in producing aqueous ammonia starting from electrolytic hydrogen. DETAILED DESCRIPTION - Method for producing aqueous ammonia using solar-powered decentralized fertilizer production-cum-irrigation unit, which involves: (1) mixing produced nitrogen and hydrogen in a mixer and compressing to a pressure of 50-200 bar specifically 80 bar. (2) passing stream through a heat exchanger to increase the temperature; (3) adding the heated mixture to the ammonia synthesis reactor to form ammonia along with the mix of unreacted hydrogen and nitrogen; (4) passing stream through the heat exchanger to reduce its temperature and heating the stream; (5) installing refrigeration unit to cool the mixture to liquefy ammonia for separation; (6) separating ammonia from nitrogen and hydrogen in a flash separator to form stream; (7) mixing the stream with incoming hydrogen and nitrogen, respectively; and (8) mixing anhydrous ammonia with water to form 20 wt.% aqueous ammonia to be used directly in the fields with other weight percentage values also possible. DESCRIPTION OF DRAWING(S) - The drawing shows schematic view of a solar-powered decentralized fertilizer production-cum-irrigation unit. 1Solar photovoltaic unit 2Water pumping unit 3Aquous ammonia production unit 4Direct current (DC)-DC converter 5Hybrid
IPC 分类号	A01G-025/00 ; C05F-003/00 ; C25B-001/04 ; F21S-009/03 ; H02J-003/38
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/15873
专题	中国科学院新疆生态与地理研究所
作者单位	INDIAN INST TECHNOLOGY ROORKEE (INTE-Non-standard)
推荐引用方式 GB/T 7714	SRIVASTAVA N,BHOSALE A C,SINGH R,et al. Solar-powered decentralized fertilizer production-cum-irrigation unit for producing aqueous ammonia, comprises two sub-unit of water pumping unit and aquous ammonia production unit where these units are powered via a solar photovoltaic unit and the power is distributed via a hybrid. IN202411052393-A[P]. 2024.

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