?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ADSORPSI-DESORPSI+ZAT+WARNA+METILEN+BIRU+DAN+KRISTAL+%0D%0AVIOLET+PADA+ADSORBEN+KARBON+AKTIF+MAGNETIT+DARI+%0D%0ATEMPURUNG+KELAPA+SAWIT+(Elaeis+guineensis+Jacq.)%0D%0A&rft.creator=Tri+Handayani+Surya+Ningsih%2C+1517011056&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=In+this+study%2C+it+has+been+carried+out+producing+of+activated+carbon+from+palm+oil+%0D%0Ashell+activated+by+physical+activation+(CAF)%2C+chemical+activation+(CAFK)%2C+and+%0D%0Athen+continued+by+coating+technique+with+magnetite+particles+to+obtain+magnetite+%0D%0Aphysical+activated+carbon+(CAFM)+and+magnetite+chemical+activated+carbon+%0D%0A(CAFKM).+The+adsorbents+were+used+to+adsorption-desorption+methylene+blue+%0D%0Adyes+and+crystal+violet+in+solution.+The+carbon+activation+was+performed+by+%0D%0Aphysics+activation+at+temperature+of+700+%C2%BAC+for+1+hour+and+chemical+activation+was+%0D%0Aperformed+using+H3PO4+10+%25+activator+agent.+The+production+of+magnetite+%0D%0Aphysical+activated+carbon+(CAFM)+and+magnetite+chemical+activated+carbon+%0D%0A(CAFKM)+by+using+magnetite+particles+coating+technique+used+the+mixture+of+%0D%0AFeCl3%C2%B76H2O+and+FeSO4%C2%B77H2O.+The+yields+were+characterized+by+X-Ray+%0D%0ADiffraction+(XRD)+to+identify+crystalline+phase%2C+Scanning+Electron+Microscope%EF%BF%BDEnergy+Dispersive+X-Ray+(SEM-EDX)+to+determine+the+surface+morphology+and+%0D%0Aconstituents+of+elements+in+activated+carbon%2C+as+well+as+Brunaeur-Emmet-Teller+%0D%0A(BET)+surface+area+to+investigate+the+specific+surface+area+of+activated+carbon.+%0D%0AThe+adsorption+process+of+methylene+blue+dyes+and+crystal+violet+were+carried+out+%0D%0Aby+CAF%2C+CAFK%2C+CAFM%2C+and+CAFKM+adsorbents+respectively.+The+desorption+%0D%0Aprocess+performed+with+aquades%2C+mixture+of+ethanol+%2Bacetic+acid+0.1+M+1%3A1%2C+and+%0D%0Amixture+of+ethanol%2BHCl+0%2C1+M+1%3A1+as+eluen.+The+desorption+result+showed+that+%0D%0Amixture+of+ethanol%2BHCl+0%2C1+M+1%3A1+have+greater+%25+desorption+value+than+mixture+%0D%0Aof+ethanol+%2Bacetic+acid+0.1+M+1%3A1+as+eluen.+%0D%0AKeywords%3A+adsorption%2C+desorption%2C+activated+carbon%2C+magnetite+coating%2C+%0D%0Amethylene+blue%2C+crystal+violet.%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+pembuatan+karbon+aktif+dari+tempurung+kelapa+%0D%0Asawit+yang+diaktivasi+secara+fisika+(CAF)%2C+aktivasi+kimia+(CAFK)%2C+dan+dilanjutkan%0D%0Ateknik+pelapisan+dengan+partikel+magnetit+sehingga+diperoleh+karbon+aktif+fisika+%0D%0Amagnetit+(CAFM)+dan+karbon+aktif+fisika+kimia+magnetit+(CAFKM).+Adsorben+%0D%0Atersebut+digunakan+untuk+mengadsorpsi-desorpsi+zat+warna+metilen+biru+dan+%0D%0Akristal+violet+dalam+larutan.+Aktivasi+karbon+dilakukan+secara+fisika+pada+suhu+%0D%0A700+%C2%BAC+selama+1+jam+dan+aktivasi+secara+kimia+dilakukan+dengan+menggunakan+%0D%0Aagen+aktivator+H3PO4+10+%25.+Pembuatan+karbon+aktif+fisika+magnetit+(CAFM)+dan+%0D%0Akarbon+aktif+fisika+kimia+magnetit+(CAFKM)+dilakukan+dengan+teknik+pelapisan+%0D%0Apartikel+magnetit+menggunakan+campuran+senyawa+FeCl3%C2%B76H2O+dan+%0D%0AFeSO4%C2%B77H2O.+Karbon+aktif+yang+telah+dihasilkan+dikarakterisasi+menggunakan+X%EF%BF%BDRay+Diffraction+(XRD)+untuk+mengidentifikasi+fase+kristalin%2C+Scanning+Electron+%0D%0AMicroscope-Energy+Dispersive+X-Ray+(SEM-EDX)+untuk+mengetahui+morfologi+%0D%0Apermukaan+dan+konstituen+unsur+dalam+karbon+aktif%2C+dan+Brunaeur-Emmet-Teller+%0D%0A(BET)+surface+area+untuk+mengetahui+luas+permukaan+spesifik+dari+karbon+aktif.+%0D%0AProses+adsorpsi+zat+warna+metilen+biru+dan+kristal+violet+dilakukan+dengan+%0D%0Amenggunakan+masing-masing+adsorben+CAF%2C+CAFK%2C+CAFM%2C+dan+CAFKM.+%0D%0AProses+desorpsi+dilakukan+dengan+menggunakan+akuades%2C+campuran+etanol%2Basam+%0D%0Aasetat+0%2C1+M+1%3A1%2C+dan+campuran+etanol%2BHCl+0%2C1+M+1%3A1+sebagai+eluen.+Hasil+uji+%0D%0Adesorpsi+menunjukkan+bahwa+campuran+etanol%2BHCl+0%2C1+M+1%3A1+memiliki+hasil+%25+%0D%0Adesorpsi+yang+lebih+besar+jika+dibandingkan+campuran+etanol%2Basam+asetat+0%2C1+M+%0D%0A1%3A1+sebagai+eluen.+%0D%0AKata+kunci%3A+Adsorpsi%2C+desorpsi%2C+karbon+aktif%2C+pelapisan+magnetit%2C+metilen+biru%2C+%0D%0Adan+kristal+violet.+%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%2F57167%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57167%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57167%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Tri+Handayani+Surya+Ningsih%2C+1517011056++(2019)+ADSORPSI-DESORPSI+ZAT+WARNA+METILEN+BIRU+DAN+KRISTAL+VIOLET+PADA+ADSORBEN+KARBON+AKTIF+MAGNETIT+DARI+TEMPURUNG+KELAPA+SAWIT+(Elaeis+guineensis+Jacq.).++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57167%2F