?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+PEMANFAATAN+ZEOLIT+PELET+BASA-FISIK+DENGAN+%0D%0ANORMALITAS+TINGGI+TERHADAP+PRESTASI+MESIN+DIESEL+%0D%0A4-LANGKAH%0D%0A&rft.creator=Eko+Hermawan%2C+0915021031&rft.subject=Teknik+mesin+dan+mesin&rft.description=ABSTRAK%0D%0A%0D%0AZeolit+merupakan+senyawa+alumina+silikat+yang+secara+fisik+dan+kimia++mempunyai++kemampuan+adsorpsi%2C+penukar+kation+dan+sebagai+katalis.+Dalam+penelitian+ini+kemampuan+zeolit+sebagai+adsorben+dimanfaatkan+untuk+menyaring+udara+untuk+proses+pembakaran+guna+meningkatkan+prestasi+motor+diesel+4-+langkah.+Pada+penelitian+ini%2C+zeolit+melalui+proses+aktivasi+kimia+menggunakan+NaOH+dan+KOH+bertujuan+membersihkan+permukaan+pori+dan+membuang+senyawa+pengotor%2C+sehingga+zeolit+akan+mengikat+gas+nitrogen%2C+uap+air+ketika+digunakan.+Sehingga+udara+yang+telah+tersaring+zeolit+akan+lebih+kaya+akan+oksigen+dan+membuat+proses+pembakaran+motor+diesel+4-langkah+menjadi+lebih+baik%2C+yang+mengakibatkan+meningkatnya+prestasi+mesin.+Akan+tetapi%2C+aktivator+yang+melebihi+nilai+normalitas+optimalnya++menyebabkan+struktur+dasar+zeolit+berubah+sehingga+mengakibatkan+pengurangan+daya+adsorbsinya.%0D%0APada+pengujian+ini+zeolit+diaktivasi+menggunakan+basa+dengan+normalitas+1N%3B2N%3B3N%3B4N+dan+aktivasi+fisik+dengan+temperatur+2000C+selama+1+jam+yang+dibentuk+tablet+kemudian+dikemas+dalam+suatu++frame+yang+diletakkan+pada+saringan+udara+diesel.+Kemampuan+menyerap+zeolit+diuji+pada+mesin+diesel+4-langkah+dengan+variasi+putaran++1500%2C+2000%2C+2500%2C+dan+3000+rpm.+%0D%0APada+pengujian+dan+analisa+didapatkan+bahwa+dengan+penggunaan+zeolit+yang+diaktivasi+basa-fisik+dapat+meningkatkan+prestasi+motor+diesel+4-langkah+bila+dibandingkan+dengan+yang+tanpa+menggunakan+zeolit.+Dari+hasil+pengujian+juga++menunjukkan+bahwa+normalitas+terbaik+adalah+1N%2C+peningkatan+daya+engkol+rata-rata+terbaik+pada+variasi+normalitas+yaitu+zeolit+teraktivasi+NaOH+sebesar+(1%2C6605%25)+dan+zeolit+teraktivasi+KOH+sebesar+(1%2C4724+%25)+pada+normalitas+1N%2C+keduanya+terjadi+pada+zeolit+yang+lebih+tinggi.+Penurunan+konsumsi+bahan+bakar+spesifik+rata-rata+terbaik+yaitu+zeolit+teraktivasi+NaOH+sebesar+(2%2C836+%25)+dan+zeolit+teraktivasi+KOH+sebesar+(2%2C414+%25)++pada+variasi+rapat+normalitas+1N.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AZeolites+are+alumina+silicate+compounds+which+physically+and+chemically+have+the+ability+as+an+(adsorbent)%2C+cation+exchanger%2C+and+as+a+catalyst.+In+this+study%2C+the+ability+of+zeolite+as+an+adsorbent+was+used+to+filter+air+for+combustion+process+in+order+to+improve+the+performance+of+a+4-+stroke+diesel+engine.+In+this+study%2C+zeolite+that+was+activated+through+chemical+activation+using+NaOH+and+KOH+in+order+to+clean+the+surface+of+the+pores+and+get+rid+of+impurities+compounds%2C+so+that+the+zeolite+bound+nitrogen+gas+and+water+vapor+when+it+was+used.+As+the+result%2C+the+air+which+has+been+filtered+by+zeolite+would+be+rich+of+oxygen+and+made+the+combustion+process+in+4-stroke+diesel+engine+better%2C+that+increase+the+engine+performance.+However%2C+the+activator+which+exceeded+the+optimal+value+of+its+normality+might+lead+the+change+of+the+basic+structure+of+zeolite+that+caused+the+decrease+of+its+absorption+ability.%0D%0AIn+this+test+the+zeolite+was+activated+by+alkaline+using+1N%3B2N%3B+3N%3B+4N+normality+and+physical+activation+at+200OC+for+1+hour+then+formed+into+tablets+and+packaged+in+a+frame+that+was+placed+on+diesel+air+filter.+Then+the+adsorben+ability+of+zeolite+was+tested+on+4-Stroke+Diesel+Engine+at+1500%2C+2000%2C+2500%2C+and+3000+rpm+rotation+variation.%0D%0AFrom+the+test+results+and+the+analysis+found+that+by+the+usage+of+zeolite+that+was+physically+activated+could+improve+the+performance+of+a+4-stroke+diesel+engine+compared+to+those+without+usage+of+zeolites.+The+results+also+showed+that+the+best+normality+occurred+at+1N+where+the+best+increase+of+break+power+was+(1%2C6605%25)+using+NaOH+1N+and+(1.4724%25)+for+KOH+at+1N+normality+occurred+at+higher+amount+of+zeolite+both.+The+best+decrease+of+brake+specific+fuel+consumption+was+(2%2C836%25)+using+NaOH+1N+and+(2%2C414%25)+for+KOH+1N+occurred+at+higher+amount+of+zeolite+both.%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2015-01-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F4%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F6%2FPERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F8%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F9%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F11%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F12%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F13%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F14%2FDAFTAR%2520NOTASI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F15%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F16%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F17%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F85%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F19%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F20%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++Eko+Hermawan%2C+0915021031++(2015)+PENGARUH+PEMANFAATAN+ZEOLIT+PELET+BASA-FISIK+DENGAN+NORMALITAS+TINGGI+TERHADAP+PRESTASI+MESIN+DIESEL+4-LANGKAH.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F7363%2F