?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=MODIFIKASI+KARBON+AKTIF+DARI+TEMPURUNG+KELAPA+SAWIT+DENGAN+TEKNIK+PELAPISAN+MAGNETIT+SEBAGAI+ADSORBEN+KRISTAL+VIOLET&rft.creator=Fitria+Luziana%2C+1417011044&rft.subject=+&rft.subject=QD+Chemistry&rft.description=Pada+penelitian+ini+telah+dilakukan+modifikasi+karbon+aktif+dari+tempurung+kelapa+sawit+dengan+teknik+pelapisan+magnetit+yang+bertujuan+untuk+mempelajari+cara+modifikasi+dan+karakterisasi+karbon+aktif+magnetit.++Pembuatan+karbon+aktif+dilakukan+melalui+metode+aktivasi+fisika+pada+suhu+700+oC+selama+1+jam+dan+aktivasi+kimia+menggunakan+H3PO4+10+%25+sebagai+agen+aktivator.++Senyawa+FeSO4%E2%80%A27H2O+digunakan+sebagai+sumber+magnetit+dalam+pembuatan+karbon+aktif-magnetit+yang+dilakukan+dalam+suasana+basa.++Karbon+aktif+fisika+(CAF)+dan+karbon+aktif+kimia+(CAK)+serta+karbon+aktif+fisika+magnetit+(CAFM)+dan+karbon+aktif+kimia+magnetit+(CAKM)+yang+dihasilkan+dikarakterisasi+menggunakan+Scanning+Electron+Microscope+(SEM)+yang+dirangkai+dengan++Energy+Dispersive+X-Ray+(EDX)+untuk+mengetahui+morfologi+permukaan+dan+unsur+dalam+karbon+aktif.++X-Ray+Diffraction+(XRD)+untuk+mengetahui+tingkat+kristalinitas+karbon+aktif+dan+metode+BET+untuk+mengetahui+luas+permukaan+karbon+aktif.++Uji+adsorpsi+yang+dilakukan+terdiri+dari+enam+tahap+sebagai+berikut+%3A+pengaruh+dosis+adsorben%2C+pengaruh+pH%2C+pengaruh+waktu+kontak%2C+isoterm+adsorpsi%2C+adsorpsi+simultan%2C+dan+adsorpsi+sekuensial.++Dosis+adsorben+yang+digunakan+yaitu+0%2C05+gram+dengan+volume+adsorbat+yaitu+25+mL+pada+pH+optimum+10+dengan+waktu+kontak+optimum+120+menit.++Kinetika+adsorpsi+kristal+violet+terhadap+CAFM+dan+CAKM+cenderung+mengikuti+model+kinetika+adsorpsi+pseudo+orde+dua+dan+isoterm+adsorpsi+cenderung+mengikuti+pola+isoterm+adsorpsi+Freundlich.++Interaksi+yang+terjadi+antara+adsorben+dengan+kristal+violet+adalah+interaksi+fisika.%0D%0A%0D%0A%0D%0AKata+kunci%3A+Karbon+aktif%2C+tempurung+kelapa+sawit%2C+karbon+aktif+magnetit%2C+SEM-+++EDX%2C+BET%2C+XRD%2C+dan+kristal+violet.%0D%0A%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+this+study%2C+an+activated+carbon+modification+of+palm+oil+shell+with+magnetite+coating+technique+has+been+done+to+study+the+modification+and+characterization+of+magnetite+activated+carbon.++The+activated+carbon+was+performed+by+physics+activation+method+at+temperature+of+700+oC+for+1+hour+and+chemical+activation+using+H3PO4+10%25+as+activator+agent.++The+FeSO4%E2%80%A27H2O+compound+was+used+as+a+magnetite+source+in+the+preparation+of+magnetite+activated+carbon+carried+out+under+an+alkaline+condition.++The+physical+activated+carbon+(CAF)%2C+chemical+activated+carbon+(CAK)%2C+magnetite+physical+activated+carbon+(CAFM)+and+magnetite+chemical+activated+carbon+(CAKM)+were+characterized+by+Scanning+Electron+Microscope+(SEM)+coupled+with+Energy+Dispersive+X-Ray+(EDX+)+to+determine+the+surface+morphology+and+element+of+activated+carbon.++X-Ray+Diffraction+(XRD)+was+used+to+know+crystallinity+of+activated+carbon+and+BET+method+was+carried+out+to+investigate+the+surface+area+of+activated+carbon.++The+adsorption+test+consisted+of+six+steps+as+follows%3A+effect+of+adsorbent+dose%2C+pH%2C+contact+time%2C+adsorption+isotherm%2C+simultaneous+adsorption%2C+and+sequential+adsorption.++The+adsorbent+dose+used+was+0.05+gram+with+an+adsorbate+volume+of+25+mL+at+optimum+pH+of+10+and+optimum+contact+time+of+120+minutes.++The+adsorption+kinetics+crystal+violet+of+CAFM+and+CAKM+tend+to+follow+the+model+of+adsorption+kinetics+pseudo+second+order+and+Freundlich+adsorption+isotherm.++The+interaction+occurred+between+adsorbent+and+crystal+violet+is+physical+interaction.%0D%0A%0D%0A%0D%0AKeywords%3A+Activated+carbon%2C+palm+oil+shell%2C+magnetite+activated+carbon%2C++SEM-EDX%2C+BET+(surface+area)%2C+XRD%2C+and+crystal+violet&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2018-08-02&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32867%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32867%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32867%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Fitria+Luziana%2C+1417011044++(2018)+MODIFIKASI+KARBON+AKTIF+DARI+TEMPURUNG+KELAPA+SAWIT+DENGAN+TEKNIK+PELAPISAN+MAGNETIT+SEBAGAI+ADSORBEN+KRISTAL+VIOLET.++UNIVERSITAS+LAMPUNG%2C+FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32867%2F