%0 Journal Article
%T emissionsanddepositpropertiesfromcombustionofwoodpelletwithmagnesiumadditives
%A tomas
%A persson
%A jochen
%A riedel
%A jonas
%A berghel
%A ulf
%A bexell
%A kaung
%A myat
%A win
%J 燃料化学学报
%P 530-539
%D 2013
%X ？thisworkstudiestheamountofgaseousandparticleemissionsanddepositsonheatexchangersurfacesinaboilerfiredwithcommerciallyavailablepelletsandwithpelletsprimedwithmagnesiumoxideandmagnesiumhydroxide.thecombustionexperimentswereperformedonaresidentialboilerof20kw.substratesplacedintheheatexchangerwasanalysedwithsem-edx-mappingtoevaluatethechemicalcompositionofthedeposits.theresultsshowthatparticleemissions(pm2.5)usingtheadditivesincreasedbyabout50%andthemassofthedepositsinthefluegasheatexchanger(excludinglooseflyash)increasedbyabout25%comparedtothecombustionofpelletswithoutadditives.theamountofadditiveswasfoundtobeeighttimeshigherthantheamountofthemainalkalimetalspotassium(k)andsodium(na)whichleadstotheassumptionthattheadditiveswereoverdosedandthereforecausedtheproblemsreported.thesemanalysisofthesubstratesplacedinthefluegasheatexchangerindicatethatthedepositsofsodium(na),potassium(k),chlorine(cl)andsulphur(s)decreaseusingtheadditives.ifthiswasduetotheexpectedchemicalreactionsorduetothelooseflyashcoveringthesubstratesafterthetest,couldnotbedeterminedinthisstudy.
%K softwoodpellets
%K magnesium
%K additives
%K particleemissions
%K depositformation
%U http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18176.shtml