?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KOMPARASI+AKTIVATOR+KOH+DAN+HCl+PADA+AKTIVASI+KIMIAFISIK%0D%0AFLY+ASH+BATUBARA+TERHADAP+PRESTASI+MESIN+SEPEDA%0D%0AMOTOR+4-LANGKAH&rft.creator=M.ZEN+SYARIF+%2C+1015021042&rft.subject=Teknik+mesin+dan+mesin&rft.description=Fly+ash+is+the+waste+coal+that+is+usually+released+just+in+the+air+without+any+special%0D%0Acontrol+to+release+the+fly+ash+into+the+air.+Though+fly+ash+is+very+dangerous+to%0D%0Apollute+the+air+around.+Fly+ash+can+be+used+as+adsorbent+for+the+allowance+of%0D%0Apollutants+in+the+exhaust+gases+of+combustion+processes+that+can+potentially+harm%0D%0Athe+environment.+So+do+research+the+use+of+fly+ash+pellets+with+some+variation+for%0D%0Afuel+economy+and+reduce+exhaust+emissions.%0D%0AIn+this+research+there+are+two+kinds+of+activation%2C+KOH+and+HCl+the+normality%0D%0A0%2C25N%3B0%2C5N%3B0%2C75N%3B+and+1%2C0N+and+physical+activation+with+variations+in%0D%0Atemperature+of+150+%C2%B0+C+for+1+hour.+All+are+made+in+the+form+of+fly+ash+pellet+with+a%0D%0Adiameter+of+10+mm+and+a+thickness+of+3+mm.+Testing+is+done+by+comparing+the%0D%0Apellets+without+the+use+of+fly+ash+with+fly+ash+pellet+activated+physical-chemical%0D%0Aactivator+KOH+and+HCl.+The+fly+ash+pellets+packed+in+a+frame+and+placed+inside%0D%0Athe+air+filter+on+a+motorcycle.%0D%0AFrom+the+test+results+and+analysis+found+that+with+the+use+of+fly+ash+pellet%0D%0Aactivated+physical-chemical+activator+KOH+and+HCl+can+improve+the+performance%0D%0Aengine+4-stroke+motorcycle.+In+test+runs+best+results+are+obtained+on+use+0.25+N%0D%0AKOH+mass+of+20+grams+of+21+886%25.+ON+Testing+stationary+use+0.50+N+HCl+mass%0D%0Aof+15+grams+of+47.22%25+and+AT+test+acceleration+of+0.75+N+HCl+mass+of+15+grams%0D%0Aof+18+909%25.+Decreased+levels+of+CO+and+HC+Best+of+0.07%25+ON+KOH+and+HCl%0D%0A0.25+gram+mass+10+and+44+ppm+IN+HCl+0.25+mass+of+15+grams.+While+increasing%0D%0ACO2+levels+of+4.44%25+TO+0.50+N+KOH+mass+of+10+grams.%0D%0AKeywords%3A+Fly+ash%2C+KOH+and+HCl+activator%2C+Performance+motorcycle+engine%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AFly+ash+batubara+merupakan+limbah+buangan+yang+biasanya+dilepaskan+begitu+saja%0D%0Adiudara+tanpa+adanya+pengendalian+khusus+untuk+melepaskan+fly+ash+ke+udara.%0D%0APadahal+fly+ash+sangat+berbahaya+jika+mencemari+udara+sekitar.+Fly+ash+dapat%0D%0Adimanfaatkan+sebagai+absorben+untuk+penyisihan+polutan+pada+gas+buang+proses%0D%0Apembakaran+yang+berpotensi+dapat+merusak+lingkungan.+Sehingga+dilakukan%0D%0Apenelitian+pemanfaatan+pelet+fly+ash+dengan+beberapa+variasi+untuk+penghematan%0D%0Abahan+bakar+dan+mereduksi+emisi+gas+buang.%0D%0ADalam+penelitian+ini+ada+2+macam+aktivasi%2C+yaitu+aktivasi+kimia+dengan+variasi%0D%0Aaktivator+KOH+dan+HCl+pada+normalitas+0%2C25N%3B0%2C5N%3B0%2C75N%3B+dan+1%2C0N+dan%0D%0Aaktivasi+fisik+dengan+variasi+temperatur+150%C2%B0C+selama+1+jam.+Semua+dibuat+dalam%0D%0Abentuk+pelet+fly+ash+dengan+diameter+10+mm+dan+tebal+3+mm.+Pengujian%0D%0Adilakukan+dengan+membandingkan+tanpa+menggunakan+pelet+fly+ash+dengan+pelet%0D%0Afly+ash+teraktivasi+kimia-fisik+aktivator+KOH+dan+HCl.+Pelet+fly+ash+tersebut%0D%0Adikemas+dalam+suatu+frame+dan+diletakkan+di+dalam+saringan+udara+pada+sepeda%0D%0Amotor.%0D%0ADari+hasil+pengujian+dan+analisa+didapatkan+bahwa+dengan+penggunaan+pelet+fly%0D%0Aash+teraktivasi+kimia-fisik+aktivator+KOH+dan+HCl+dapat+meningkatkan+prestasi%0D%0Amesin+sepeda+motor+bensin+4-langkah.+Pada+pengujian+berjalan+hasil+terbaik%0D%0Adidapat+pada+penggunaan+KOH+0%2C25+N+massa+20+gram+sebesar+21%2C886+%25.+Pada%0D%0Apengujian+stasioner+penggunaan+HCl+0%2C50+N+massa+15+gram+sebesar+47%2C22+%25+dan%0D%0Apada+pengujian+akselerasi+HCl+0%2C75+N+massa+15+gram+sebesar+18%2C909+%25.%0D%0APenurunan+kadar+CO+dan+HC+terbaik+sebesar+0%2C07+%25+pada+KOH+dan+HCl+0%2C25%0D%0Amassa+10+gram+dan+44+ppm+pada+HCl+0%2C25+massa+15+gram.+Sedangkan%0D%0Apeningkatan+kadar+CO2+4.44%25+pada+KOH+0%2C50+N+massa+10+gram.%0D%0AKata+kunci+%3A+Fly+ash%2C+aktivator+KOH+dan+HCl%2C+Prestasi+mesin+sepeda+motor&rft.publisher=FAKULTAS+TEKNIK&rft.date=2016-12-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24836%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24836%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F24836%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++M.ZEN+SYARIF+%2C+1015021042++(2016)+KOMPARASI+AKTIVATOR+KOH+DAN+HCl+PADA+AKTIVASI+KIMIAFISIK+FLY+ASH+BATUBARA+TERHADAP+PRESTASI+MESIN+SEPEDA+MOTOR+4-LANGKAH.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F24836%2F