?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENGARUH+IMPREGNASI+CAMPURAN+LOGAM+Ni+DAN+Co+%0D%0APADA+ZEOLIT+ALAM+LAMPUNG+SEBAGAI+KATALIS+PADA+%0D%0ATRANSESTERIFIKASI+MINYAK+KELAPA+MENJADI+BIODIESEL&rft.creator=RIFKA+AMALIA%2C+1517011021&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Pada+penelitian+ini+telah+dilakukan+studi+pengaruh+impregnasi+campuran+logam+Ni+%0D%0Adan+Co+pada+Zeolit+Alam+Lampung+(ZAL)+pori+hirarki+sebagai+katalis+pada+%0D%0Atransesterifikasi+minyak+kelapa+menjadi+biodiesel.+Penelitian+diawali+dengan+%0D%0Aaktivasi+ZAL+secara+fisika+pada+suhu+800+oC%2C+selanjutnya+dilakukan+modifikasi+%0D%0Asistem+pori+dengan+cara+dealuminasi+menggunakan+larutan+Na2H2EDTA+0%2C5+M.+%0D%0AZAL+yang+telah+dimodifikasi+sistem+porinya+(pori+hirarki)+kemudian+diubah+%0D%0Amenjadi+H-ZAL+pori+hirarki+dengan+larutan+NH4NO3+2+M.+Katalis+H-ZAL+pori+%0D%0Ahirarki+yang+diperoleh+kemudian+diimpregnasi+dengan+campuran+logam+Ni+dan+Co%0D%0Auntuk+menambah+situs+asam+dari+H-ZAL+pori+hirarki+dengan+variasi+konsentrasi+%0D%0Asebesar+0%2C+3%2C+5%2C+dan+7%25.+Katalis+H-ZAL+pori+hirarki+hasil+impregnasi+selanjutnya+%0D%0Adiuji+aktivitas+katalitiknya+pada+reaksi+transesterifikasi+minyak+kelapa+menjadi+%0D%0Abiodiesel.+Pada+penelitian+ini+beberapa+variabel+penelitian+seperti+pengaruh+%0D%0Akonsentrasi+campuran+Ni-Co+terhadap+aktivitas+katalitik+H-ZAL%2C+rasio+minyak+%0D%0Adengan+metanol%2C+dan+jumlah+katalis+ditentukan+untuk+menghasilkan+biodiesel+%0D%0Aberkualitas+tinggi.+Hasil+penelitian+menunjukkan+konsentrasi+Ni-Co+optimum+dari+%0D%0Aadalah+5%25%2C+dengan+rasio+minyak+dan+metanol+1%3A20%2C+dan+jumlah+katalis+10%25+%0D%0Aterhadap+berat+minyak.+Biodiesel+yang+dihasilkan+pada+kondisi+optimum+ini+%0D%0Asejumlah+82+mL%2C+dengan+jumlah+minyak+yang+terkonversi+sebesar+83%25.+%0D%0AImpregnasi+campuran+logam+Ni+dan+Co+pada+H-ZAL+dapat+meningkatkan+situs+%0D%0Aasam+dari+H-ZAL+dan+memberikan+persen+konversi+yang+lebih+tinggi+pada+%0D%0Atransesterifikasi+minyak+kelapa+menjadi+biodiesel.+Biodiesel+yang+dihasilkan+%0D%0Abelum+memenuhi+persyaratan+biodiesel+berdasarkan+SNI+7182%3A2015.%0D%0AKata+kunci+%3A+Zeolit+alam%2C+H-ZAL%2C+aktivasi%2C+dealuminasi%2C+impregnasi%2C+%0D%0Atransesterifikasi%2C+biodiesel.%0D%0A%0D%0AStudy+on+effect+of+impregnation+Ni+and+Co+mixed+metals+on+hierarchical+porous+%0D%0ALampung+natural+zeolite+(ZAL)+as+a+catalyst+for+transesterification+of+coconut+oil+%0D%0Ato+biodiesel+was+done+in+this+research.+Research+begins+with+physical+activation+%0D%0Aof+ZAL+at+800+oC%2C+then+the+pore+system+is+modified+by+dealumination+using+%0D%0ANa2H2EDTA+0.5+M+solution.+Modified+ZAL+(hierarchical+ZAL)+changed+into+%0D%0Ahierarchical+porous+H-ZAL+using+NH4NO3+2+M+solution.+Hierarchical+porous+%0D%0AH-ZAL+catalyst+impregnated+using+Ni+and+Co+mixed+metals+with+a+concentration+%0D%0Avariations+0%2C+3%2C+5%2C+and+7%25.+Impregnated+hierarchical+porous+H-ZAL+was+tested+in+%0D%0Athe+catalytic+performance+in+transesterification+reaction+of+coconut+oil+to+biodiesel.+%0D%0AIn+this+research%2C+some+variables+such+as+effect+of+Ni-Co+concentration+on+catalytic+%0D%0Aperformance+of+hierarchical+porous+H-ZAL%2C+ratio+of+oil+and+methanol%2C+and+total+%0D%0Acatalyst+were+determined+to+produce+high+quality+biodiesel.+The+research+result+%0D%0Ashows+that+optimum+Ni-Co+concentration+is+5%25%2C+with+ratio+of+oil+and+methanol+is+%0D%0A1%3A20%2C+and+total+catalyst+is+10%25+to+coconut+oil+weight.+The+production+of+biodiesel+%0D%0Ain+optimum+condition+is+82+mL%2C+with+83%25+total+of+coconut+oil+that+converted+to+%0D%0Abiodiesel.+Impregnation+of+Ni+and+Co+mixed+metals+on+H-ZAL+can+increase+acid+%0D%0Asites+of+H-ZAL+and+give+higher+conversion+in+transesterification+reaction+of+%0D%0Acoconut+oil+to+biodiesel.+The+biodiesel+product+does+not+meet+the+biodiesel+%0D%0Arequirements+based+on+SNI+7182%3A+2015.%0D%0AKeywords+%3A+Natural+zeolite%2C+H-ZAL%2C+activation%2C+dealumination%2C+impregnation%2C+%0D%0Atransesterification%2C+biodiesel.%0D%0A&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57120%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57120%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57120%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RIFKA+AMALIA%2C+1517011021++(2019)+STUDI+PENGARUH+IMPREGNASI+CAMPURAN+LOGAM+Ni+DAN+Co+PADA+ZEOLIT+ALAM+LAMPUNG+SEBAGAI+KATALIS+PADA+TRANSESTERIFIKASI+MINYAK+KELAPA+MENJADI+BIODIESEL.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57120%2F