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FlyAshasWaterPurierMethodsfortheltrationofwaterespeciallyinimpoverishedcountrieswherebothwaterqualityandthemoneytoalleviatetheproblemarelowarenecessarybutoftentooexpensive.Forexample2012statisticsshowthatlessthan50ofallhouseholdsinNepalhavesomemethodofwaterpuricationwithevenlowernumbersinruralareas.Thereforethereisademandforthedesignandcreationofawaterltrationmethodthatisbothcheapandeffective-hereentersyash.ScientistsfromNepalsTribhuvanUniversityandSouthKoreassChonbukNationalUniversityandHanyangUniversityhavedevelopedananomembraneltermadeoutofyashandpolyurethanewithasilvernanoparticlecoating.Thedistinctivespider-likemembranethatisdescribedintheReporttitledOne-stepfabricationofmultifunctionalcompositepolyurethanespider-web-likenanobrousmembraneforwaterpuricationwaspublishedintheJournalofHazardousMaterials.ThespecicbenetsofthistechnologyareAbsorbsarsenicanddyesKillsdisease-causingmicroorganismsAntibacterialBetterpuricationthanconventionalltersduetoitsabilitytocaptureparticleslargethanpore-sizeduetothehighersurfaceareaCheaperincomparisontoconventionalltersasyashisawastematerialThistechnologycanalsobecomparedtootherwaterltrationtechnologiesthatinvolvetheuseofzeolites.Howeverthenanomembraneltercanbedistinguishedfromzeolitesastheyareusedforrudimentaryltrationratherthandrinkablewaterpurication.FormoreinformationpleaseseeChapter10FlyAshinZeoliteProductionintheCoalCombustionProductsHandbook.ThisisyetanotherexampleofCCPuseforbenecialpurposesandtherebyjustiesthecontinuedresearchandutilisationofyashmaterialsinbothexistingandfutureapplications.RESEARCHTheCoalCombustionProductsHandbookSecondEditionisclosetopublicationafteraverybusylastfewmonthsoftechnicaleditorialreviews.AuthorsandeditorsalikehavebeenworkingtocompletethecontentforeachChaptertothensubmitittoourTechnicalEditorforscrutiny.DespitethelongprocessitisimportanttoreiteratetheoriginalaimsoftheupdatewhichwastoensurethatanyexistinginformationaswellasnewinformationontheCCPindustrywastimelyandrelevanttocurrentapplications.ThiscoupledwithresearchonmarketdevelopmentsandthedistillationoftrendshasdemonstratedthattheuseofCCPproductsisstillagrowthareawithmanymoreapplicationsyettobediscovered.Thisnewresearchalsoincorporateslegislativechangesintheformofexemptionsthatgiveregulatorycertaintytotheusageofthesematerialsinthelong-term.ThenalstagesoftheprojectrequirenalreviewofChapters14andtheGlossaryofTermspre-productiontasksoftype-settingsome500pagesproongprintingandnallypublicationTheADAAwouldliketoagainthanktheauthorscontributorsandmembersfortheircommitmentandcontributionstothelong-termproject.SpecialthanksgoestoProfessorColinWardChiefEditorandTechnicalEditorStephanieButcherfortheirmanyhoursofcontentdevelopmentandreview.CCPHandbookBycontinuallyupdatingourtechnicalinformationwecanensurebothqualityandrelevancetostakeholdersandthegeneralpublicalike.CopiesoftheCoalCombustionProductsHandbookSecondEditionwillbeavailabletomembersfreeofchargewithadditionalcopiesavailableforpurchasethroughourwebsitehttpwww.adaa.asn.auUPDATEADAAMAY201405