Page 45 - 腐蚀与防护2024年第十一期

褚栋良, 等: 在含 U 模拟地下水溶液中 p H 对纯铁腐蚀行为和还原沉积 U 的影响
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185-190. [ 21 ] WANG C , CHEN J X , HU B S , etal.Modified

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Effectsof p HonCorrosionBehaviorofPureIronandReductiveDe p ositionofU in
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SimulatedGroundwaterContainin gU

1 1 2 2 2 1
,
,
,
CHUDon g lian g HUANGGuokai , WANGLin gy u , CUIDa q in g LITen g YANG Miao

( 1.SchoolofChemistr y , Chemica lEn g ineerin g andLifeSciences , WuhanUniversit y ofTechnolo gy , Wuhan430070 , China ;

2.InstituteofRadiochemistr y , ChinaInstituteofAtomicEner gy , Bei j in g 102413 , China )

Abstract : Electrochemicaltest , immersioncorrosiontest , inductivel ycou p ledp lasmaemissions p ectrometer ( ICP-OES ),

scannin g electronmicrosco py / ener gy dis p ersives p ectrosco py ( SEM / EDS ) andX-ra yp hotoelectrons p ectrosco py ( XPS ) were

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used tostud y theeffectof p Honthecorrosionbehaviorof p ure ironinsimulatedg roundwater containin gU andreductive

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de p ositionofU .Theresultsshowthatwiththeincreaseof p H , thecorrosionrateof p ureirong raduall y sloweddownand

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thecorrosionde g ree g raduall y decreased.Inthefirst72h , thereductivede p ositionrateofU g raduall y sloweddownwiththe

increaseof p H , andit g otthefastestvalueinthesolutionwith p H5.2 , andtheslowestvalueinthesolutionwith p H9.2.The

,
,
maincorrosionp roductsonp ureironsurfacewereFe 2O 3 Fe 3O 4 Fe ( OH ), FeOOHandUO 2.
3

Ke ywords : ureiron ; simulated g roundwater ; p H ; corrosion ; reductivede p ositionofuranium
p
· 3 ·
7