Plasma cascaded solid wastes for possible adsorption of NO_(2)in diesel exhaust
作者机构：Department of Electrical EngineeringIndian Institute of ScienceBangaloreIndia Department of Electrical EngineeringJabalpur Engineering CollegeJabalpurIndia
出 版 物：《Waste Disposal and Sustainable Energy》 (废弃物处置与可持续能源（英文）)
年 卷 期：2023年第5卷第3期
页 面：383-393页
核心收录：
学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学]
基 金：Central Power Research Institute CPRI
主 题：Industry waste Electrical discharge Diesel exhaust Nitrogen oxide reduction Agriculture waste Plasma adsorption
摘 要：Extensive use of fossil fuel has led to an increase in solid and gaseous particulates in the environment,which in turn necessitated newer,effective,and economical control strategies to abate pollutants,particularly gaseous *** the current research work,focus has been placed on utilizing industry wastes to adsorb nitrogen oxides present in diesel engine exhaust,which is pre-treated by *** exhaust from a 5 kW diesel generator is exposed to discharge plasma where the oxidation of nitric oxide to nitrogen dioxide occurs,which is then made to flow through another reactor filled with industry wastes drawn from agriculture,foundry,utility,marine industry,etc.,comprising mulberry waste,rice husk,wheat husk,areca nut husk,sugarcane bagasse,coffee husk,foundry sand,lignite ash,red mud,and oyster *** the adsorption of nitrogen dioxide was observed in all the wastes,reduction of nitric oxide was observed in metallic compound-based industry *** about 184 J/L,specific energy plasma cascaded industrial waste red mud yielded 98%NO_(x)removal efficiency,and that with agriculture rice husk waste yielded 53%NOx ***_(2)/Fe_(2)O_(3)present in industry wastes might have exhibited photo-catalysis in visible light resulting in the possible reduction of NO.A new pathway for recycling the waste can be expected through nitrogen dioxide adsorption,and the results are further discussed with respect to plasma-alone and cascaded plasma adsorbent systems.
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