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1、IssueinvestigationIsthatgoodtouseethanolasanalternativefuel?G5MaxWordcount:1035EthanolfuelalsoknownasalcoholicgasolineisanewkindofcleanandgreencarfuelwhichisamixtureofcertainpercentageofdenaturedethanolfuelandgasolinethroughaspecificprocessaccordingtonationalstandardGB18351-2004qualityrequirementsby
2、theethanolgasolinedeploymentcentre.Nowadays,theboomofethanolhasbeingkeepingrising.AccordingtoWikipedia,Worldethanolproductionfortransportfueltripledbetween2000and2007from17billiontomorethan52billionliters.From2007to2008,theshareofethanolinglobalgasolinetypefueluseincreasedfrom3.7%to5.4%.Duetoitsspec
3、ialproperties,itisveryfavoredaroundtheworld.Firstly,ethanolfuelhasagoodeffectofcombustion-supporting.Ifweaddtenpercentofethanolintogasoline,itsoxygencontentcanreach3.5percent.Sothecombustionofgasolinewillbecompletedeasilybecauselessoxygenisneeded.Equationofcombustionforgasolineandethanol:Secondly,be
4、causeitssolubilityisgood,thiscancleantheoilcircuitofthecar.Theethanolinethanolgasolineisanexcellentorganicsolvent.Soitcaneffectivelyeliminatetheimpuritiesofprecipitationandcondensationinthefueltanksandoilcircuitsystemoftheautomobile.Itplaysanimportantroleincleaningtheoilcircuit.Thirdly,becauseethano
5、lmakesthegasolinecombustcompletely,itcanreducethecarbondepositioneffectively.Thecarbondepositionatsparkplug,valve,pistoncrown,exhaustpipe,mufflerandotherpartsoftheenginewouldbereducedeffectively,sothatthelifeoftheengineandothermajorcomponentswouldbeextended.Lastbutnotleast,itisakindofcleanfuel.Wheni
6、tburn,itwouldnotreleaseanytoxicandharmfulgases.(Undertheconditionofcompletecombustion)Theequationofcombustionis:Soitwon’tcauseanyairpollution.However,doesethanolfuelreallybringpeoplebenefits?Actuallythewayweusednowadaystoproducetheethanoldoesnothavemanyadvantages.Thecommercialethanolweusenowadaysisa
7、llmadefromcorn.Thiskindofproductionisenergy-intensivemodesofproduction.Somestudiessuggestthattheenergyconsumptionofrefiningagallonofethanolisevenhigherthantheenergyitcansupplywhenitburns.Evensomestudi
