铝的缓蚀剂_下_

铝的缓蚀剂(下)余存烨(,200540)5铝在碱液中的缓蚀剂[1],1Surrey,100~300g/kg,24~100e,1127mm/a1Roebuck,011g/kg10167B3122,60g/kg,,0157m2120mg,11(/),110g/kg1CrudberrKiermeier,1B25Na2OBSiO280epH11,11K.Ho.riguchipH1015B-,,1KyazimoyD16T(2017),pH131/0,014mol/L,pH13,5~15g/kg,1[4],16铝在防冻液中缓蚀剂[1]TwissButtenplan,,1250g/kg250g/kg55%()2mol/L45%()2mol/L330g/kg670g/kg()14:1995-08-28134Vo1.13No.419978CHEMICALCLEANINGAug.199741,,,,11B1/,01pH=6,pH=8,pH=10,,,pH1表4在防冻液中添加缓蚀剂对铝的保护(1)/g1kg-1/mg30104(2)61250600TPS3083001317030:(1))))Royaloaktap)))50h)))2000r/min)))8212e(2)LeonardC.Rowe,():0121NaNO30198Na2B4O7#5H2O0117Na2SiO3#5H2O0143Na3PO4#12H2O0155MBT50%()0119NaOH1:1);2),;3);4),;5)MBT;6)NaOH;7)144%1102,3212~4102@104,1ASTM,,,11,17铝在氯化钠水溶液和海水中的缓蚀剂[1,3]Samuls.SotoupehFolley[3]2024)T3011mol/L,51:1),,,,Cr2O31,Cl-/NO3-,1,112)14:()#29#表5各种不同浓度的化合物在011mol/L氯化钠溶液中的缓蚀率/mol1L-10150116011010601050101250101010050100301002501001Na2CrO4~99%~99%~99%99%97%93%NaNO395%86%58%8@CR(1)8@CR2@CRNaClO434%8%9%1@CR1@CR1@CRNa2SO478%70%70%60%69%49%11@CR6@CR1.5@CR1.1@CR1@CR17@CR7@CR1.1@CR8.4%4.2%69%39%14%1@CR98%62%53%58%29%12%52%57%62%55%49%50%35%64%51%52%98%86%59%11%21%54%:(1)CR)))011mol/LNaCl3),,14);,,1,11BillydOakes[1],5,12119e15052110030035554606115052150mg/L,1100(pH)1100mg/L,11003003555412119e1DOW-11003003505255546061,11100-2154mm/a01254mm/a,1NACE1,(ZnCr2O7),,1(2024)1,2-2-18铝缓蚀剂汇总表[1]RoebuckPritchete1,,1,1NiCrO4KCrO4,Ni2+NiCrO4,1#30#13161表6铝在腐蚀介质中的缓蚀剂1mol/L01003mol/LB-,2-,0102%~0105%1mol/L1mol/L2mol/L2%~5%10%10%20%,015g/L,110g/L0106%0105%011%011%015%016%011%~210%0103%1%(NaNO2+)1%((NaNO2+)1%((NaNO2+)20%20%~80%,015%110%510%H2O-0101%~110%2%+011%,H2O30:70()+pH=915()(),H2S,315%1%10g/kg10g/kg3%~4%0101%~2%+011%~2%+015%~215%pH715~101540g/kg013mol/L(35e)015mol/L18%0.4%012%+()2%Emery1125%Na(CHME2)31%0105~2%015%+1%~5%50%015%0175%0102%~0105%011%Na2CrO4pH=7~910g/kg012g/kg011%+011%100g/kg0105%,pH=815~915:/%04:()#31#1NathanC.CEdited.CorrosionInhibitors.NACEHouston,19811156~172,240~25021PIV—«…ÀH²NNH1,1983,25(4):69~833SamuelsB.W,SotoupehK,FolleyR.T.InhibitionandAccelerationofAluminumCorrosion.Corro-sion,1981,37(2):92~9741¯«/µ0¤m1,1972198~124InhibitiorofaluminumYuCunye(TheMechanicalResearchInstituteofShanghaiPetrochemicalCo.Ltd.,Shanghai200540)AbstractInordertocorrectlyselectanduseinhibitorsofaluminuminindustry,itmustbeun-derstoodthatant-icorrosionofaluminumandtheiralloysaffectedbyelement,andthatthemecha-nismforinhibitionandaccelerationofaluminumcorrosion.Theuseofaluminuminhibitorinacidsolution,alkalisolution,antifreezeandNaClsolutionetcwereintroducedsimply.Keywordsaluminumalloyinhibition(续完)(上接第27页)Theapplicationofchemicalcleaningtechniqueinfactory)))anewtechniquewhichcansaveenergyandraiseefficiencyNiChengLiuShengchunXiangJunhuai(XiangjiangNitrogenFertilizerFactoryofHunanProvince,Zhuzhou412005)AbstractTheclassificationofchemicalcleaningandmakingcleaningplansarebrieflyintro-duced.Theapplicationeffectofthechemicalcleanigtechniqueinthefactoryisdemonstratedbyexamples.Practiceindicatesthatthechemicalcleaningtechniqueisaveryeffectivenewtechniquewhichcansaveenergyandraiseefficiency.Keywordschemicalcleaningtechniqueapplicationsavingenergyandraisingefficiency#32#13