激光空化降解有机污染物的监测理论与实验研究.pdf

激光空化降解有机污染物的监测理论与实验研究

刘永杰

(广东省广州生态环境监测中心站，广东广州511400)

摘要：激光空化降解技术是一种先进的环境修复技术，是利用激光产生的高能量脉冲在液体介质中诱导空化现象，从而

实现对有机污染物的有效降解。然而，该技术的实施效率受多种因素影响，包括激光的强度、脉冲宽度、介质性质等，这

些因素共同决定了降解过程的效果与效率。文章详细探讨了激光空化降解技术的基本原理、技术优势与面临的挑战，提

出了针对性的监测理论与方法，通过实验研究验证了激光参数以及有机污染物介质性质对激光空化降解效率的影响，

并通过优化实验参数，提高了降解效率，为激光空化降解技术的应用提供了理论基础和实验支持。

关键词：激光空化降解；有机物污染物；监测理论；实验研究

中图分类号：TN249文献标志码：A文章编号：1008-4800(2024)27-0059-04

DOI:10.19900/ki.ISSN1008-4800.2024.27.016

MonitoringTheoryandExperimentResearchofOrganicPollutants

DegradedbyLaserCavitation

LIUYongjie

(GuangzhouEcologicalEnvironmentMonitoringCenterStationofGuangdongProvince,Guangzhou511400,China)

Abstract:Lasercavitationdegradationtechnologyisanadvancedenvironmentalremediationtechnology,whichusesthehigh

energypulsegeneratedbylasertoinducecavitationphenomenonintheliquidmedium,soastoachieveeffectivedegradationof

organicpollutants.However,theimplementationefficiencyofthistechnologyisaffectedbymanyfactors,includingtheintensityof

thelaser,thepulsewidthandthenatureofthemedium,whichtogetherdeterminetheeffectandefficiencyofthedegradationprocess.

Inthispaper,thebasicprinciple,technicaladvantagesandchallengesoflasercavitationdegradationtechnologyarediscussed

indetail,andtargetedmonitoringtheoriesandmethodsareproposed.Experimentalstudieshaveverifiedtheinfluenceoflaser

parametersandthepropertiesoforganicpollutantmediaonlasercavitationdegradationefficiency,andthedegradationefficiencyis

improvedbyoptimizingexperimentalparameters.Itprovidestheoreticalbasisandexperimentalsupportfortheapplicationoflaser

cavitationdegradationtechnology.

Keywords:lasercavitationdegradation;organicpollutants;monitoringtheo