神华煤高效水煤浆添加剂的研制

(,100013):,:;;;:TQ5344:B:10077677(2010)03000403TheresearchofhighefficiencyadditivesforcoalwaterslurrypreparationwithShenhuaCoalWANGGuofang(BeijingResearchInstituteofCoalChemistry,ChinaCoalResearchInstitute,Beijing100013,China)Abstract:ThetypeofadditivewasselectedanddeterminedaccordingtothecoalcharacteristicsandslurryabilityofShenhuacoal,thereactionconditionincludingsulfonatingagentdosage,sulfonatedtemperature,theacidityofhydrolysis,formaldehydedosageandthetimeofcondensationwereoptimized,andthespecialhighefficiencyadditivesforsuperiordispersingpropertyandhigherratioofperformancetopriceforShenhuacoalwaterslurrywasmanufacturedfinally.Keywords:Shenhuacoal;coalwaterslurry;additives;viscosity,,,,,,,,,,,,,111112(1),120(2)120,120~160,,,,(3)120,,05h,,20%~30%(4)90,2h2~3,100,,(5),,,60,NaOH,,pHpH,pH7~9,,13,200g,32010514,JJ220min,NXS4C,101A105,2,,,,21[1],,,11/mol/mol/%/mPas100115651180010012965388010014465287010016065210631:129mol~144mol,,,,,,,,,,,,100!(129~144)mol2/mol/mol//h/%/mPas100144120365213401001441303653920100144135365288010014414536511040100144155365315202:,,,,,,,,[2],,,,,,:130~135,3h23,,33/mol/mol/%/%/mPas1000952470653124010009526636521240100095288465388010009530806529803:,,,,,,,,,,,H+,,,;,,,285%~295%24[3],,5320105222,,n,n,[4]44,/mol/mol/%//h/%/mPas100092288595~1015652880100095297095~1016653840100100294795~1014653900100100292295~1015652860100100291695~1016652800100105293195~1016651804100120296195~101665311004:,,,,,,,,,::100!(095~10)mol,95~101,6h25,65%,1-2(4!1),55/%()/%/mPas6520214756530412186510510456520689065307878652089205,(%~6%),06%~07%,08%,06%~07%()3(1),,,65%,(2),66!!()100!144!100/1352/h3/%285~295/95~101/h6pH7~9(3)1t/a,,4000/t,07%(),18/t,:[1],[J],2000,29(2)[2]()[M]:,1995[3],[J],1996,8(1)[4],,[J],1996,16(3):(1979),,,,,2004(),(33)6320105:020:201000