Sterilization of municipal waste for a raw material for the production of refuse-derived fuel and to protect surface and ground waters against biological contamination during transfer and storage creates a lot of problems. This paper evaluates the antimicrobial potential of non-equilibrium plasma in relation to the selected groups of microorganisms found in humid waste. The proposed research is to determine whether mixed municipal waste used for the production of alternative fuels can be sterilized effectively using low-temperature plasma generated in a gliding arc discharge reactor in order to prevent water contamination and health risk for working staff. This work assesses whether plasma treatment of raw materials in several process variants effectively eliminates or reduces the number of selected groups of microorganisms living in mixed municipal waste. The presence of vegetative bacteria and endospores, mold fungi, actinobacteria Escherichia coli, and facultative pathogens, i.e., Staphylococcus spp., Salmonella spp., Shigella spp., Enterococcus faecalis and Clostridium perfringens in the tested material was microbiologically analyzed. It was found that the plasma treatment differently contributes to the elimination of various kinds of microorganisms in the analyzed raw materials. The effectiveness of sterilization depended mainly on the time of raw materials contact with low-temperature plasma. The results are very promising and require further research to optimize the proposed hygienization process.

中文翻译：

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使用滑动电弧等离子体反应器进行湿润城市垃圾卫生处理的可能性

用于生产垃圾衍生燃料的原料的城市废物的灭菌，以及在转移和储存过程中保护地表水和地下水免受生物污染的做法产生了很多问题。本文评估了与在潮湿废物中发现的选定微生物群相关的非平衡血浆的抗菌潜力。这项拟议的研究旨在确定用于生产替代燃料的混合城市废物是否可以使用滑动电弧放电反应器中产生的低温等离子体有效灭菌，以防止水污染和工作人员的健康风险。这项工作评估了在几种工艺方案中对原料进行等离子体处理是否能有效消除或减少生活在混合城市垃圾中的选定微生物群的数量。营养细菌和内生孢子，霉菌，放线菌的存在微生物学分析了大肠杆菌和兼性病原体，即葡萄球菌属，沙门氏菌属，志贺氏菌属，粪肠球菌和产气荚膜梭菌。发现等离子体处理在消除所分析的原料中的各种微生物方面有不同的贡献。灭菌的有效性主要取决于原料与低温等离子体接触的时间。结果是非常有希望的，需要进一步研究以优化建议的卫生过程。