?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGGUNAAN+BENTONIT+YANG+DIAKTIVASI+SECARA+FISIK%0D%0AMENGGUNAKAN+MICROWAVE+ATAU+OVEN+UNTUK%0D%0AMENINGKATKAN+PRESTASI+MESIN+SERTA+MEREDUKSI+EMISI+GAS%0D%0ABUANG+MESIN+BENSIN+4+LANGKAH+TECQUIPMENT+TD201&rft.creator=Daud%2C++Yosua+Aruan%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Menurut+Badan+Pusat+Statistik+(BPS)+pada+tahun+2021+penambahan+kendaraan%0D%0Abermotor+sebanyak+120.042.298+unit+meningkat+sebesar+4%2C1+persen+dari+tahun%0D%0Asebelumnya.+Menanggapi+permasalahan+tersebut%2C+salah+satu+cara+penghematan%0D%0Abahan+bakar+dapat+dicapai+dengan+meningkatkan+prestasi+mesin+menggunakan+filter%0D%0Audara+yang+terbuat+dari+bentonit.+Filter+udara+yang+terbuat+dari+bentonit+memiliki%0D%0Akemampuan+menyerap+uap+air+(H2O)+dan+nitrogen+(N2)+yang+terkandung+dalam%0D%0Audara+pembakaran.+Penggunaan+filter+bentonit+dapat+memberikan+udara+yang+kaya%0D%0Aoksigen+yang+masuk+ke+ruang+bakar+untuk+meningkatkan+kualitas+dari+proses%0D%0Apembakaran.+Dalam+penelitian+ini%2C+filter+dibuat+dari+bentonit+konsentrasi+70%25+dan%0D%0Aair+30%25%2C+yang+diaktivasi+fisik+pemanasan+menggunakan+microwave%2C+dan+pada%0D%0Aberbagai+massa+25+gram%2C+50+gram%2C+dan+100+gram.+Pengujian+dilakukan%0D%0Amenggunakan+mesin+bensin+4-langkah+Tequipment+TD201+yang+berlokasi+di%0D%0ALaboratorium+Motor+Bakar+dan+Propulsi+Jurusan+Teknik+Mesin+Universitas%0D%0ALampung.+Berdasarkan+pengujian%2C+diperoleh+bahwa+filter+udara+bentonit+yang%0D%0Adiaktivasi+microwave+dapat+meningkatkan+prestasi+mesin.+Hasil+pengujian%0D%0Amenunjukkan+bahwa+peningkatan+daya+engkol+terbaik+terjadi+pada+penggunaan%0D%0Amassa+100+gram+dengan+temperatur+aktivasi+65oC%2C+diperoleh+sebesar+9%2C80%25%2C+diikuti%0D%0Aterbaik+kedua+terjadi+pada+massa+100+gram+temperatur+aktivasi+77%C2%B0C+sebesar+9%2C29%25%2C%0D%0Adan+terbaik+ketiga+terjadi+pada+massa+25+gram+temperatur+aktivasi+77%C2%B0C+sebesar%0D%0A4%2C73%25.+Sementara+itu%2C+emisi+gas+buang+mengalami+penurunan+terbaik+terjadi+pada%0D%0Aputaran+mesin+1500+rpm%2C+massa+100+gram+temperatur+aktivasi+65oC%2C+mampu%0D%0Amenurunkan+kadar+CO+sebesar+8%25+(mereduksi+sebesar+54%2C55%25)%2C+dapat+menurunkan%0D%0Akadar+HC+sebesar+10+ppm+(mereduksi+sebesar+33%2C33%25)%2C+dapat+menurunkan+kadar%0D%0ACO2+sebesar+18%25+(mereduksi+sebesar+40%2C00%25).%0D%0AKata+kunci+%3A+filter+udara%2C+adsorben+bentonit%2C+prestasi+mesin%2C+emisi.%0D%0A%0D%0AAccording+to+the+Central+Statistics+Agency+(BPS)%2C+in+2021+the+addition+of+motorized%0D%0Avehicles+was+120%2C042%2C298+units%2C+an+increase+of+4.1+percent+from+the+previous+year.%0D%0AIn+response+to+this+problem%2C+one+way+to+save+fuel+can+be+achieved+by+improving%0D%0Aengine+performance+using+an+air+filter+made+from+bentonite.+Air+filters+made+from%0D%0Abentonite+have+the+ability+to+absorb+water+vapor+(H2O)+and+nitrogen+(N2)+contained%0D%0Ain+combustion+air.+The+use+of+a+bentonite+filter+can+provide+oxygen-rich+air+into+the%0D%0Acombustion+chamber+to+improve+the+quality+of+the+combustion+process.+In+this%0D%0Aresearch%2C+filters+were+made+from+70%25+bentonite+and+30%25+water%2C+which+were%0D%0Aactivated+by+physical+heating+using+a+microwave%2C+and+at+various+masses+of+25%0D%0Agrams%2C+50+grams+and+100+grams.+Tests+were+carried+out+using+a+Tequipment+TD201%0D%0A4-stroke+petrol+engine+located+at+the+Combustion+Motor+and+Propulsion%0D%0ALaboratory%2C+Department+of+Mechanical+Engineering%2C+University+of+Lampung.%0D%0ABased+on+testing%2C+it+was+found+that+microwave-activated+bentonite+air+filters+can%0D%0Aimprove+engine+performance.+The+test+results+showed+that+the+best+increase+in%0D%0Acranking+power+occurred+when+using+a+mass+of+100+grams+with+an+activation%0D%0Atemperature+of+65oC%2C+which+was+obtained+at+9.80%25%2C+followed+by+the+second+best%0D%0Aoccurring+at+a+mass+of+100+grams+with+an+activation+temperature+of+77%C2%B0C+at+9.29%25%2C%0D%0Aand+the+third+best+occurring+at+mass+of+25+grams%2C+activation+temperature+of+77%C2%B0C%0D%0Ais+4.73%25.+Meanwhile%2C+the+best+reduction+in+exhaust+emissions+occurred+at+an+engine%0D%0Aspeed+of+1500+rpm%2C+a+mass+of+100+grams%2C+an+activation+temperature+of+65oC%2C%0D%0Acapable+of+reducing+CO+levels+by+8%25+(reducing+by+54.55%25)%2C+able+to+reduce+HC%0D%0Alevels+by+10+ppm+(reducing+by+33+.33%25)%2C+can+reduce+CO2+levels+by+18%25+(reducing%0D%0Aby+40.00%25).%0D%0A%0D%0AKeywords%3A+air+filter%2C+bentonite+adsorbent%2C+engine+performance%2C+emissions.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-02-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82544%2F1%2F1.%2520ABSTRAK%2520-%2520ABSTRACT%2520-%2520Daud%2520Yosua%2520Aruan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82544%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520Daud%2520Yosua%2520Aruan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82544%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Daud%2520Y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