WAO和XWAO污水净化技术

WAO和XWAO污水净化技术20O2年6月第23卷第2期贵金属PreciousMetalsJ2002VI23．、02WAO和CWAO污水净化技术张爱敏，侯树谦，王伟，黄荣光(昆明贵金属研究所，中国昆明650221)WAOandCWAOTechnologiesforPurificationofWastewaterIaJ|gA~nin，HouShuqian，(KurunlnghslltuleofPreciousMetalsWangWei，HuangRongguangKmuning650221，China)Abstract：Thewetairo．~5dation(WAO)isahquid—phasereactionbetweenorganicorinorganicCOITI—poundsinwaterandoxygeninairatgiventemFeraturesandpressus．TheWAOprocesshasbeenusedt0treatindustrialwastewaterandsludgeatthetemperaturefrom180to315andatthepressurefrom2to15MPa．Undertheseconditions．complexcomlmm~dsaremlrstlvoxidizedintoCO．H0andsimplerfomaswhicharebiodegradable．WAOprocessanditsdevelopmentalesummarizedinthisarticleComparedt0com,entionaiWAO．thecataly~ficwdairoxidation(CWA0)oferslm~erconditionrequirementsandIlighelfoxida—tioneficiencies．CWAOprovidesanewmethodtosolvethegroovingindustrialwaistewalerandsludgetreatmentproblemsKeyw．s：WAO；CWAO；Wastewater；Purification；Preciousmetalcatalysts摘要：湿式空气氧化(WAO)是指在一定的温度和压力下，度水中的有机物或无机物与空气中的氧发生的液相反应。利用WAO工艺可在