水利工程灌浆作业施工中高浓度废水污染物排放控制技术研究

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文章编号:1674-6139(2025)12-0086-06
中图分类号:X703.1文献标志码:B
Abstract:Tocontrolthedischargeofhigh-concentrationwastewaterpollutantsduringthegroutingoperationofwaterconservancy projectsandreducetheenvironmentalimpact,thisstudytakesalarge-salewaterconservancyhubprojectastheexampletocolthe wastewaterfromthegroutingperationandanalyzeitsaterqualitycharacteritics.Teastewatertreatmenttchnologcombinigphysicaladsorptionandchemicaloidationeductionisadoptedandtewastewaterispurifiedthroughstepssuchaspretreatment,activated carbonactivationandadition,oxidation-reductiontreatmentndsolid-liquidseparationResearchhasfoundthatgranularactivated carbon has a removal rate of 78% for suspended solids,and coconut shell activated carbon performs exceptionally well in removing COD, with aremoval rate of nearly 100% .When the dosage of coagulant is 0.05~0.15g/L ,the concentration of lead ions decreases significantly,and when it is 0.05~0.20g/L ,the concentration of cadmium ions gradually decreases.The flow rate and water temperature of wastewaterrespectivelyectheadsorptionfcncyndteeductionrateofhaetalmissosisinicatesthatsthodis technically feasible and conducive to environmental protection and sustainable development.
Keywords;waterconservancyenginering;groutingoperationconstruction;highconcentrationwastewater;polutantemisioncontrol;pollutant removal
前言
水利工程灌浆作业中高浓度废水污染物的排放日益受到广泛关注。(剩余6621字)