?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=STUDI+PENAMBAHAN+ASAP+CAIR+PELEPAH+KELAPA+SAWIT%0D%0ASEBAGAI+INHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+%0D%0AMENGGUNAKAN+METODE+UNSEEDED+EXPERIMENT&rft.creator=Ayudina+Rahmawati%2C+1517011034&rft.subject=540+Kimia+dan+ilmu+yang+berhubungan&rft.description=Produksi+kelapa+sawit+di+Indonesia+meningkat+setiap+tahunnya%2C+sehingga+disisi+%0D%0Alain+akan+menyebabkan+limbah+yang+sangat+besar+dan+akan+mencemari+%0D%0Alingkungan+jika+limbah+tidak+dimanfaatkan+secara+maksimal.+Salah+satu+jenis+%0D%0Alimbah+kelapa+sawit+adalah+pelepah+kelapa+sawit.+Seiring+dengan+berkembangnya+%0D%0Ailmu+pengetahuan+dan+teknologi%2C+limbah+pelepah+kelapa+sawit+dapat+diolah+%0D%0Amenjadi+produk+yang+tidak+menimbulkan+pencemaran+lingkungan+dan+bernilai+%0D%0Aekonomi+lebih+tinggi+yaitu+menjadi+asap+cair.+Asap+cair+didapatkan+dari+hasil+%0D%0Apirolisis+pembakaran+tidak+langsung+maupun+langsung+dari+bahan-bahan+yang+%0D%0Abanyak+mengandung+karbon+serta+senyawa-senyawa+lain.+Diketahui+senyawa%EF%BF%BDsenyawa+tersebut+dapat+digunakan+untuk+menanggulangi+permasalahan+kerak.+%0D%0ATerbentuknya+kerak+(scaling)+merupakan+masalah+yang+cukup+serius+dan+sering+%0D%0Atimbul+dalam+dunia+industri.+Oleh+karena+itu%2C+dalam+penelitian+ini+digunakan+asap+%0D%0Acair+pelepah+kelapa+sawit+sebagai+inhibitor+kerak+CaCO3+yang+ramah+lingkungan+%0D%0Amenggunakan+suhu+90+oC.+Larutan+pertumbuhan+CaCO3+yang+digunakan+yaitu+%0D%0A0%2C0250%3B+0%2C0375%3B+0%2C0500+dan+0%2C0625+M+serta+variasi+inhibitor+sebesar+5%2C+15%2C+25+dan+%0D%0A35+%25.+Nilai+persen+efektivitas+tertinggi+terjadi+pada+konsentrasi+0%2C0250+M+dengan+%0D%0Apenambahan+inhibitor+sebesar+35+%25+yaitu+sebesar+97%2C36+%25.+Berdasarkan+hasil+%0D%0ASEM+dan+XRD+menunjukkan+kerak+CaCO3+tanpa+inhibitor+terdiri+dari+kristal+fasa+%0D%0Akalsit+dan+aragonit%2C+sedangkan+setelah+penambahan+inhibitor+terdiri+dari+kristal+%0D%0Afasa+vaterit+dan+kalsit+(yang+rapuh).+Analisis+kuantitatif+menggunakan+PSA+%0D%0Amenunjukkan+bahwa+distribusi+ukuran+partikel+kerak+CaCO3+mengalami+%0D%0Apenurunan+setelah+ditambahkan+inhibitor+dapat+dilihat+dari+rata-rata+(mean)+yaitu+%0D%0Adari+10%2C00+menjadi+6%2C522+%CE%BCm+dan+nilai+tengah+(median)+yaitu+dari+9%2C35+menjadi+%0D%0A6%2C071+%CE%BCm.+Berdasarkan+pengamatan+kualitiatif+dan+kuantitatif+dapat+disimpulkan+%0D%0Abahwa+asap+cair+pelepah+kelapa+sawit+mampu+menginhibisi+kerak+kalsium+%0D%0Akarbonat+dengan+persentase+efektivitas+inhibitor+sebesar+97%2C+36+%25.%0D%0AKata+kunci+%3A+Asap+cair%2C+inhibitor%2C+CaCO3%2C+kerak%0D%0A%0D%0AThe+growth+of+palm+oil+production+in+Indonesia+always+go+up+every+year%2C+but+on+%0D%0Athe+other+hand+it+will+cause+a+major+waste+which+pollute+the+environment+if+it+is+%0D%0Anot+being+used+maximally.+Along+with+the+development+of+science+and+%0D%0Atechnology%2C+oil+palm+fronds+can+be+processed+into+products+that+do+not+cause+an+%0D%0Aenvironmental+pollution+and+have+a+higher+economic+value%2C+which+is+liquid+%0D%0Asmoke.+Liquid+smoke+was+obtained+from+the+pyrolysis+of+indirect+and+direct+%0D%0Acombustion+from+materials+that+contain+a+lot+of+carbon+and+other+compounds.+It+is+%0D%0Aknown+that+these+compounds+could+be+the+solution+to+overcome+the+scaling+%0D%0Aproblem.+Scaling+is+a+serious+problem+that+often+discovered+in+the+industrial+%0D%0Acompany.+To+overcome+this+problem%2C+this+study+used+oil+palm+frond+liquid+smoke+%0D%0Aas+an+environmentally+friendly+CaCO3+scale+inhibitor+using+temperature+of+90+oC.+%0D%0AThen%2C+the+growth+of+CaCO3solution+used+was+0.0250%3B+0.0375%3B+0.0500+and+0.0625+%0D%0AM+respectively+and+the+variation+of+inhibitors+were+by+5%2C+15%2C+25+and+35%25.+The+%0D%0Ahighest+percent+value+of+effectiveness+occured+at+the+concentration+of+0.0250+M+%0D%0Awith+the+addition+of+inhibitor+as+much+as+35%25+which+equals+to+97.36%25.+%0D%0AAccording+to+the+results+of+Scanning+Electron+Microscopy+(SEM)+and+X-Ray+%0D%0ADiffraction+(XRD)%2C+the+CaCO3+scale+without+inhibitors+consists+of+calcite+and+%0D%0Aaragonite+phase+crystals%2C+whereas+after+the+addition+of+inhibitor+consists+of+vaterite+%0D%0Aand+calcite+(fragile)+phase+crystals.+Quantitative+analysis+using+Particle+Size+%0D%0AAnalyzer+(PSA)+showed+that+the+CaCO3+crystal+particle+size+distribution+decreased+%0D%0Aafter+adding+the+inhibitor+which+could+be+seen+from+the+mean+started+from+10.00+%0D%0Ato+6.522+%CE%BCm+and+the+median+value+from+9.35+to+6%2C071+%CE%BCm.+Based+on+the+%0D%0Aquantitative+and+qualilative+analysis%2C+it+can+be+concluded+that+the+research+was+%0D%0Asucceed+with+the+inhibitory+percentage+of+97%2C36+%25.%0D%0AKeywords+%3A+Liquid+smoke%2C+inhibitors%2C+CaCO3%2C+scale.%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%2F56635%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56635%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56635%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Ayudina+Rahmawati%2C+1517011034++(2019)+STUDI+PENAMBAHAN+ASAP+CAIR+PELEPAH+KELAPA+SAWIT+SEBAGAI+INHIBITOR+KERAK+KALSIUM+KARBONAT+(CaCO3)+MENGGUNAKAN+METODE+UNSEEDED+EXPERIMENT.++Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56635%2F