微細(xì)?？兹甘蚧?浮選的強(qiáng)化研究.pdf

1、中南大學(xué)碩士學(xué)位論文微細(xì)?？兹甘蚧∵x的強(qiáng)化研究姓名：胡本福申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：礦物加工工程指導(dǎo)教師：歐樂(lè)明201105碩士學(xué)位論文ABSTRACTABSTRACTSulphidizingflotationisthemainmethodofcopperoxideprocessing，butithasalowrecoveryrateofmicro—finecopperoxideHowtoimprovetheflotationreco

2、veryofmicrofinecopperoxideoresiSnotyetresolvedinmineralprocessingBymeansofmalachitemonomineralflotationtests，solutionbehaviortestsofmineralsurfaceandinfraredspectroscopytests，thispaperhavestudiedthestrengtheningeffectand

3、itsmechanismofammoniumsulfate，ammoniumchlorideethylenediamineandDMTDonthemicrofinemalachitesulphidizingflotationRationaldressingprocessforseriousslimingcobaltcopperoxideoreisalsostudiedTheconclusionsalestatedasfollowsOnl

4、yusingsulfidexanthateflotationinmicrofinemalachiteiSineffectiveButammoniumsulfate，ammoniumchlorideethylenediamineandDMTDcanobservablyintensifythesulphidizingflotationeffecttomicrofinemalachitewheninproperconditionsThebes

5、tdosagesofthesefourreagentsale110一mol／L、110一mol／L、5x10～mol／L、1104mol／L，respectivelyThebestpHconditionsale92、91、105、73，respectivelyInconditionofbigdosage，ammoniumsulfateandammoniumchloridedonotinhibitmalachiteHoweverethyl

6、enediamineandDMTDcanstronglyinhibitmalachitewhentheusageismorethan1X10“4mol／LAmmoniumsulfateandammoniumchlorideCanintensifysulphidizingflotationonlywhensodiumsulphidecoexistsEthylenediamineandDMTDcouldimprovethesulphidiz

7、ingflotationofmicrofinemalachitethroughitscoordinationinteractionwithcopperionsonmineralsurfaceandinthepulpIntensifiedsulphidizingflotationtechnologyoffinecopperoxideoreshasbeendevelopedItCanchoosetheasynchronousflotatio