ammonia.ppt

《ammonia.ppt》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、Lesson4Exercise1covalentfluoridenaphtheneisomerismaminonaphthafrothflotationhydrolysisenzymicborateesterxylene共价的氟化物（石油）环烷异构氨基的石脑油泡沫浮选水解酶的硼酸盐酯二甲苯Exercise2氢氧化物酯脂肪族的不饱和的芳香族的烯烃甲烷烷烃hydroxideesteraliphaticunsaturatedaromaticalkenemethanealkanePart2ChemicalTechnologiesUnit7AmmoniaTheHaberprocessfor

2、Ammoniasynthesis哈伯法合成氨Howmuchnitrogenintheairwebreath?Canwefixnitrogenatatmosphericpressandambienttemperaturechemically?Questionsfordiscussion¾,three-quarters常温常压Biologicalfixation生物固氮Leguminousplantscantakenitrogenfromtheairandconvertitintoammoniaandammonia-containingproductsatatmosphericpre

3、ssureandambienttemperature;despiteahundredyearsofeffort,thechemicalindustrystillneedshightemperaturesandpressuresofhundredsofatmospherestodothesamejob.豆类植物Indeed,untiltheinventionoftheHaberprocess,allnitrogen-containingchemicalscamefrommineralsourcesultimatelyderivedfrombiologicalactivity.Ess

4、entiallyallthenitrogeninmanufacturedchemicalscomesfromammoniaderivedfromtheHaber-basedprocess.最终、终于本质上、基本上Somuchammoniaismade,andsoenergy-intensiveistheprocess,thatammoniaproductionalonewasestimatedtouse3%oftheWorld’senergysupplyinthemid-1980s.Introduction(principle)RawmaterialsAmmoniaproduct

5、ionUsesofammoniaTextOrganization-part1Accordingtothecontent,thispartmainlycontainsthefollowingparts:Hydrogenreactwithnitrogentoproduceammonia.Thereactionofhydrogenwithnitrogengivesammonia.Amixtureofnitrogenandhydrogenformsammoniainthereaction.Tips:Somecommonverbscanbeusedtodescribechemicalrea

6、ctions：react，convert,form,prepare,produce,change,yield,give,andsoon：Howtodescribeareaction??Questions:Whyisthereactionofnitrogenwithhydrogentoproduceammonianeedrathersevereconditions?Howtogetarespectableyieldofammonia?Whichfactorswillbedependontomakeaprecisechoiceofammoniaprocess?introduction

7、naturehasbestoweddinitrogenwithaninconvenientlystrongtriplebond,enablingthemoleculetothumbitsnoseatthermodynamics.Whyisthereactionofnitrogenwithhydrogentoproduceammonianeedrathersevereconditions?对..作蔑视的手势Iwouldliketobestow(授予)uponyouthehonoro