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TheCompositeInterceptionTechnologyof
TheCompositeInterceptionTechnologyof
Biochemistry(CITB)forUraniumPollution
Biochemistry(CITB)forUraniumPollution
ControlattheUraniumTailings
ControlattheUraniumTailings
Prof.XieShuibo
UniversityofSouthChina
P.R.China
2008-06-22
CONTENTS
CONTENTS
1Background
2Strategies,techniquesandprocessesto
controluraniummigrate
3ThecharacteristicsoftheprocessofCITB
4Studyonbiomaterialcharacteristicsfor
processesofCITB(zero-valentiron,hematite,
SulfateReducingBacteria(SRB),Citrobacterfreudiior
Bacillussubtilis)
5ConclusionsandSuggestion
Background
Background
Greatdealsofwasterocks,tailingsand
andpercolateeffluentfromtailingwere
producedintheprocessofuranium
miningandmetallurgy,whichbroughtthe
radioactivepollutiontogroundwaterand
waterbodies.
Thedevelopmentofgroundwater
treatmenttechnologyofhighefficiency
andlowconsumptionforuraniumand
otherradioactivecontamination,isa
majortaskfacingsustainable
developmentofthenuclearindustryand
theenvironmentprotection.
IntroduceofuraniumminingtailingsinChina
IntroduceofuraniumminingtailingsinChina
Therearemorethan60minesand3uraniummillsin
China,morethan20unitsareunderwayorwouldbe
decommissioning.
Naturallyoccurringradioactivematerial(NORM)dueto
unregulatedactivitiesandartificialradionuclides,mainly
resultingfrompastpractice.
Mostofprocessesofuraniumminingareacidinsitu
leaching,heapleachingandin-situblastingleaching.
Therearehugewaste,highradiationdoseandinfluence
widelyinuraniumminingandmetallurgyinChina.The
radiationdos
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