方沸石的改性及其对硫酸盐水的处理陈方明

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  :1008-7524(2009)09-0020-03方沸石的改性及其对硫酸盐水的处理陈方明(,430062)  :。,,。:;;;:TD985  :A0 ,,。,,,,,,。,、[1,2]。:a.,;b.H+Na+、Ca2+Mg2+,;c.,。,,。,pH,[3,4]。NaCl、AlCl3、NH4Cl、HClNaOH,,。,。,。。、,。。1 ,1。(、、、),,。122.1用量的影响1000mg/LK2SO4,8250mL100mL,0.5、1.0、1.5、2.0、2.5、3.0、3.5、4.0g100,1h,12h,,2。  2,,。0.5~2.0g,;·20···           IM&P化工矿物与加工           20099:2009-04-28 :———(20030400041)。 :(1970-),,,,、、,。E-mail:cfm@hubu.edu.cn,:027-62019556。DOI:10.16283/j.cnki.hgkwyjg.2009.09.0072.0g,。,2.0g。22.2搅拌时间的影响1000mg/LK2SO4,7250mL100mL,2.0g100,30、60、90、120、150、180min,12h,,3。3   3,,。60min,,,。,60min。2.3粒度的影响1000mg/LK2SO4,3250mL100mL,2.0g(20~60、60~100、-100),1h,12h,,1。  ,,。1,,。,100。,100。1/20-6060-100100/(mg·L-1)689.77615.73581.54/(mg·L-1)305.85379.89414.08/%30.7238.1641.59    :995.62mg/L。2.4100、300、500、1000、1500、2000、2500、3000、3500、4000、4500、5000、5500、6000mg/LK2SO4,,14250mL100mL,2.0g100,1h,12h,,4。4   4,,,4000mg/L,,,。4000mg/L。3 a.:100,450℃2.5h,2.0mol/L24h,450℃2.5h,。b.100mL1000mg/L:2.0g,60min,·21···           IM&P化工矿物与加工           20099100。4000mg/L。4 [1],.[J].,2003,23(3):250-254.[2].[J].,2002,(4):30-32.[3],,,.[J].,2001,(6):21-24.[4],,.[J].,2001,2(4):74-77.StudyonmodificationofanalciteanditswatertreatmentofsulphateCHENFang-ming(SchoolofResourcesandEnvironment,HubeiUniversity,WuhanHubei430062,China)Abstract:AnalcitewasmodifiedusingcombinationofmethodsofAlCl3solutionsoakingandcalcinationathightemperature.Themod-ifitedanalcitewasusedfortreatingsulphatebearingwaterwithobvi-ouseffectofsulphateabsorption.Theprocessparametersoftheanal-citebearingwatertreatmentwerereviewed.Keywords:analcite;modification;sulphate;watertreatment(13),(、、)。(380g/t)。3。3CaF2%27.9491.8974.2245.3621.233.2937.4116.333.50218.564.272.29117.6910.985.6210.2320.286.0012.8113.745.09100.0034.59100.003 a.、,,。b.。,。c.,,91.89%、74.22%。4 [1],,,.[J].,2001,(3).[2],.[J].,2005,(4):23—24.[3]M·A·.[M].:,1990.[4],.[J].,1997,(5):51—54.[5],.[M].:,1988.ResearchontestoffluoriteandbariteflotationandseparationLIUZhi-hong,CHANGHao,XIEChun-mei,NIEGuang-hua(TheMiningCollegeofGuizhouUniversity,GuizhouGuiyang550003,China)Abstract:AfluoritemineinGuizhouhasahighcontentoffluoriteandbarite.Itisverydifficulttoseparatethemduetosimilarityofthefloatabilitytheminerals.Inthispaper,arationalprocessflowandparameterswereprovidedand,combinationandpreparationofseveralinhibitorsandpreparationallowedfluoriteandbaritewiththesimilarfloatabilitytoachieveaneffectiveseparation.Intheopencir-cuitwithfourtimesofconcentration,CaF2concentrateof91.89%ingradewithrecoveryrateof74.22percentcouldbeobtained.Keywords:fluorite;barite;flotation;mixedreagent·22···           IM&P化工矿物与加工           20099

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