• High Power Laser and Particle Beams
  • Vol. 32, Issue 5, 059001 (2020)
Zeqi Lü1, Yanzhao Xie1、*, and Hailiang Yang2
Author Affiliations
  • 1State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
  • 2State Key Laboratory of Intense Pulsed Radiation Simulation and Effect, Northwest Institute of Nuclear Technology, Xi’an 710024, China
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    DOI: 10.11884/HPLPB202032.200077 Cite this Article
    Zeqi Lü, Yanzhao Xie, Hailiang Yang. Comparison and analysis of the electromagnetic radiation, ionizing radiation and other physical technologies for disinfection and sterilization[J]. High Power Laser and Particle Beams, 2020, 32(5): 059001 Copy Citation Text show less
    Source of e-beam. Beams are extracted into a chamber for irradiation
    Fig. 1. Source of e-beam. Beams are extracted into a chamber for irradiation
    Configurations of dielectric barrier electrodes
    Fig. 2. Configurations of dielectric barrier electrodes
    Schematic diagram of reversible and irreversible breakdown
    Fig. 3. Schematic diagram of reversible and irreversible breakdown
    γ射线 X射线高能电子束重频低能电子束微波低温等离子体紫外线高压脉冲电场
    产生方式放射性核素60Co或137Cs源(以60Co源为主) X光机或在电子加速器上安装转换靶高能电子加速器高重频低能电子发生器(如SINUS-320)微波电子管(常用磁控管和速调管)介质阻挡放电或大气压下的等离子体射流一般采用紫外线灯高压脉冲电源(矩形波、指数衰减波、振荡波)
    成本建造和废料处理成本高成本较高成本较高成本相对较低,可移动或集成到生 产线 较低较低低廉操作维护成本低
    穿透能力较弱较弱较强,但可能存在冷热点能穿透两电极之间区域
    对人体危害及防护连续产生γ射线,对人体有危害,防护要求高 X射线的产生可控,设备在运行时防护要求高可以通过开关控制电子束的产生,设备在运行时防护要求较高对人体有一定危害,需要进行防护需进行适当防护,切断电源后活性粒子很快消失对皮肤有损害,空气消毒应在无人状态进行对人体危害较小
    其他若废料处理不当容易造成泄漏;需要不断补充 新源 会对高分子材料造成损坏,对高分子材料消毒前需考察材料的抗辐照老化性能热效应和非热效应共同作用主要是紫外线和活性粒子的灭菌作用处理时间很短;需控制工作场强,防止介质击穿
    Table 1. Performance comparison of various irradiation sterilization methods
    γ射线、X射线 电子束微波低温等离子体紫外线高压脉冲电场
    食品消毒灭菌√(用于大包装物品)√(食品表面、液体食品)
    水净化处理√(新兴)√(常用)√(新兴)
    医疗器械消毒灭菌
    医疗垃圾处理
    药物消毒灭菌
    物品表面处理
    空气消毒√(新兴)√(常用)
    Table 2. Applications of various irradiation sterilization methods
    Zeqi Lü, Yanzhao Xie, Hailiang Yang. Comparison and analysis of the electromagnetic radiation, ionizing radiation and other physical technologies for disinfection and sterilization[J]. High Power Laser and Particle Beams, 2020, 32(5): 059001
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