%0 Journal Article
%T characterizationofcoalwaterslurrypreparedforprbcoal
%A fei
%A yi
%A akshay
%A gopan
%A richard
%A l.
%A axelbaum
%J 燃料化学学报
%P 1167-1171
%D 2014
%X ？powderriverbasin(prb)coal,whichaccountsforover40%ofthecoalconsumedforpowergenerationintheunitedstates,wasinvestigatedforpreparationofcoalwaterslurry(cws).thestaticstabilityandrheologyofthecwswerecharacterizedasafunctionofloading.thecoalloadingwasvariedfrom30%to50%andbothionic(sodiumpolystyrenesulphonate(pss))andnonionic(tritonx-100)surfactantswereemployedasadditives.theadditionofpsstoprbslurrieswasfoundtoyieldpoorstaticstability.ontheotherhand,tritonx-100wasfoundtobeaneffectivesurfactant,reducingthesedimentationbymorethan50%comparedtotheonewithoutsurfactantin45%cws.addingtritonx-100reducestheviscosityofthecwsforcoalloadingsof30%and40%.althoughtheviscositiesforcoalloadingof42.5%and45%arehigherwhentritonx-100isadded,thestaticstabilityissignificantlybetterthanforsampleswithoutsurfactant.thehighestcoalloadingforprbslurrywithacceptableviscosityforpumpingis42.5%.
%K coalwaterslurry
%K prbcoal
%K characterization
%U http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18499.shtml