武汉理工大学硕士学位论文
Fbtationconditionexperimentstodeterminetheoptimalpamrmters:soilparticlesizerangeof<0.05rnm,thepHvalueof11.0,2%Na2S2mL,1%xanthate4mL,flotationtimeof5min.Researchofflotationmorphologicalchanges"flotationoforganiclmtterandsulfideboundbest
improvetheorganicrmtterandremovalefficiency;,joinsulfideboundremovalrate.Na2Shepto
(4)Soilwashingprocesshboratorystudies
Afterthewashingprocesstocombinethestudyfound:thesecondprocessisthebestprocessandfinalsoiltreateddiscbarge
scrubbingtoremovecarbonate
matterstandards.MorphobgyfoundtheattritionandFe-Mnoxidebound;flotationtoremoveorganicandsulfidebound;cleaningagentsfortheremovalofvariousforrmofgood.Treatedsoilleachingofleadtoxicityevaluationshowedthatprocess1,2treatedsoildoesnotbelongtothehazardouswaste,canbeusedforotherpurpose;processes3treatedsoilisahazardouswaste,tobedonetolandfillandotherprocessing.
Keywords:Soilwashingtechnology,leadpollution,soil
riskassessment,processresearch;characteristics,environment
IV
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