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中文摘要：
空化射流是一种处理效率高、操作简单的有机废水处理新技术，主要利用空泡渍灭时产生的局部高温高压降解有机物，能量利用率比超声空化处理更高。综述了空化射流的机理，然后从自由基反应、直接热分解和超临界水氧化三方面对其处理有机废水的机理进行了探讨，并分析了喷嘴结构、射流空化数、泵压和围压以及有机废水理化性质对空化效应的影响。
英文摘要：
Present main method of organic wastewater treatment are physico- chemical method, biochemical method and combination method, but there are many problems need to be resolved, such as organic matter can not be treated thoroughly, fee is high, and operation is complicated. Cavitation jets is a efficient and simple new technology on organic wastewater treatment. It use local high temperature and high pressure produced bubbles collapse to degrade organic matter, and it is better in capacity usage ratio than ultrasonic cavitation. Principle of eavitating jets is giuen, then discussed mechanism of organic wastewater treatment by cavitating jets from free radical reaction, direct thermal decomposition and supereritieal water oxidation, and influence of nozzle stricture is analyzed, jet cavitation number, pumping pressure, confining pressure and physieoehemieal property of organic wastewater on cavitation effect.
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