利用電石渣制備納米活性碳酸鈣的研究.pdf

1、上海大學(xué)碩士學(xué)位論文利用電石渣制備納米活性碳酸鈣的研究姓名：吳琦文申請學(xué)位級別：碩士專業(yè)：環(huán)境工程指導(dǎo)教師：張仲燕20030101利用電石渣制各納米活性碳酸鈣的研究上海大學(xué)碩士學(xué)位論文AbstractInthispaper，nanosizedactivecalciumcarbonateparticleswerepreparedbycalciumcarbideresidueResearchinvolvedthefollowingitems

2、，producingnano—sizedcalciumcarbonateparticlesbycarbonizationprocess；composingnanosizedcalciumcarbonateparticlesbyusingsodiumcarbonateandcalciumchloride；surfacemodificationofnano—sizedcalciumcarbonateparticles；crystallatt

3、iceaberranceofnanosizedcalciumcarbonateparticlesAtthesametimepaperengagedintheresearchofsomespecialfeaturesofnanosizedparticlesandaccordingtotheresultsfromexperimentsthe100tproductioncapacitywasdesignedCharacterizationof

4、nano—sizedactivecalciumcarbonateparticleswerestudiedbyXRD，TG—DTA，TEM，BETSeveralparameterswhichcouldinfluencetheaveragecrystalparticlesize，morphology，suchasreagentconcentration，carbondioxideconcentration，gasflowrate，react

5、iontemperature，agitmingrateandadditivetype，additivedosageetc，wereexaminedTheappropriateconditionsofnano—sizedactivecalciumcarbonateparticleswereestablishedTheresearchhasenvironmentalbenefitsandtlleeconomicbenefits1Produc

6、ingnanosizedcalciumcarbonateparticlesbycarbonizationprocess1)Severalparameterssuchasreagentconcentration，carbondioxideconcentration，gasflowrate，reactiontemperature，agitatingrateandadditivetype，additivedosageetcweretakeni

7、ntoaccount，Thentheperfectresultwasgot2)Makingsurethekeyelementseffectingaveragecrystalparticlesize，morphologyTheselectedadditive，additivedosage，carbondioxideconcentration，gasflowrate，agitatingratehaSnoinfluencetocrystals

8、tructureandthecrystalstructureoftheproducthaSalwaysbeencalcite；Theadditive，temperaturehasbeenthekeyelementsofcontrollingaveragecrystalparticlesizeandmorphology3)EngagingintheresearchofcarbonizationprocesscharacteristicsT

9、heresearchwillinstructtheproducingofnanosizedparticles2ProducingnanosizedcalciumcarbonateparticlesbyusingsodiumcarbonateandcalciumchlorideSeveralparameterswhichcouldinfluencetheaveragecrystalparticlesize，suchasflowrateof

10、sodiumcarbonate，theagitatingrate，reagentconcentration，reactiontemperature，additiveweretakeintoaccountThentheperfectresultwasgot3CrystallatticeabberanceofnanosizedparticleshasbeenresearchedAtthesametimeengagingintheresear