木質(zhì)素磺酸鈉的研制及其在水煤漿中的應(yīng)用.pdf

1、中南工業(yè)大學(xué)碩士學(xué)位論文木質(zhì)素磺酸鈉的研制及其在水煤漿中的應(yīng)用姓名：劉會(huì)基申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：冶金物理化學(xué)指導(dǎo)教師：舒余德余愛君2001.2.1干育大學(xué)碩士學(xué)位論文AbstractAstudyonthepreparationofNalignosulphonateanditsapplicationinthecoalwaterslurryAbstractLignosulphonateshavewideuses.Thesulphonati

2、ngprocessofacid一precipitateligninandconcentratingpapermakingblackliquorwasstudiedinthispaper.Asulphonatingmodifierthatcouldimprovethesulphonatingrateofligningreatlywasfoundout.Theoptimumsulphonatingconditionwasobtainedby

3、studyingthefactorsaffectingsulphonatingprocess.Intheconditionthesulphonatingrateofligninwasupto85%.ThemainproductwasNalignosulphonate.ThestudiedsurfaceinthisactivitypaperofNalignosulphonatewasalsoNaofThesurfacetensionlig

4、nosulphonatemarkedbythemethodofthebiggestbubblepressureandthecriticalmicelleconcentration(CMC)wasdeterminedbythemethodofsurfacetension.ThesurfaceactivityofNalignosulphonateincreasedcompoundedwithmodifierH一1，thesurfaceten

5、sionofNalignosulphonatewasdownto30x10“3Nm一.TheapplicationofNalignosulphonatewasalsostudiedinthispaper.Nalignosulphonatewasusedasthemainadditiveofcoal一waterslurry.Theeffectsontheperformanceofcoal一waterslurryoftheadditivea

6、ddingquantitytheadditiveratioandthecoalwaterslurryconcentrationwerestudied.Coal一waterslurryoffineperformancewasmade.Theresultsofthestudiesindicated:Thesulphonatingrateofacid一precipitateligninandconcentratedpapermakingbla