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《基于pc104总线的臭氧法海水cod测量技术-研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、用于海洋现场环境，实现对海洋环境重要指标化学需氧量的实时连续监测。“臭氧法海水化学需氧量测量仪”可在恶劣的海洋环境中长期可靠工作，适合于船载及海洋台站、海洋石油平台和海洋浮标站等场合使用，能够对沿海、河口及近岸海洋经济带进行现场、实时、连续的测量，可改变我国海洋环境污染对化学需氧量指标监测手段，长期采用现场提取水样、实验室进行化学分析的传统测试方法。提高我国海洋生态环境现场监测能力。关键词：PC/104总线嵌入式技术，海水COD分析，化学光信号TheCODmeasurementresearchofseawaterbyusingOzonetechnology
2、basedonPC104busAbstractChemicalOxygenDemand(COD)isacompositeindicatortomeasurethelevelsoforganicpollutantsinseawater.Domesticmeasurementofthechemicaloxygendemand(COD)isgenerallyconductedinthelaboratory,usingthemethodsofanalysisofthepermanganateordichromateoxidationtitration,althou
3、ghthemethodistheGBmethod,butduetothecomplexityoftheanalysisprocess,thetestlengthycycle,cannotdoreal-timecontinuousmonitoringofchangesinmarinepollutants,largelyrestrictingenhancetheabilityofChina'soceanmonitoring.“Theseawaterchemicaloxygendemandanalysisor”relyingsceneanalysistechno
4、logy,isanimportantpartofthemarineenvironmentmonitoringsystem,itisbasedonozoneoxidationchemiluminescenceprinciple,thattheapplicationofozoneasastrongoxidizingagentthereactionwascarriedoutwiththeorganicpollutant,detectingpickupthroughtheshimmerphotoelectricconversionoftheopticalsigna
5、lgeneratedinthecourseofthereaction,afteramplification,quantization,andafterthecorrectionprocessingofcomputerdata,drawthemarineenvironmentCOD.Theadvantageofthetechnologywithoutaddingreagents,nosecondarypollution;fastresponse,canachievereal-timecontinuousmeasurement;oxideozoneavoids
6、eawaterhashighconcentrationsofchlorideionintheGBmethodaccuracy.Paperscontainedinthe"EleventhFive-Year","863"project"boatmarineecologicalenvironmentmonitoringsystem"sub-topic"theseawaterchemicaloxygendemandanalysisor",basedontheexistingseawateranalysingtechnologies,explorestheusing
7、ofthecurrentstate-of-the-artPC104bustechnologyforchemicaloxygendemand(COD)on-siteanalysistechnologytodothesecondarydevelopment,usingthePC104bustechnologydesignandcompletionofaprototypeofozonefrom"theseawaterchemicaloxygendemandanalysisor"products,mostofthecontrolingsystemoftheprot
8、otypereadyPC104modulethroughforsy
