Biodiesel dari Minyak Jelantah

  1. Waste Cooking Oil Conversion To Biodiesel Catalized By Egg Shell Of Purebred Chiken With Ethanol As A Solvent. The synthesis of biodiesel from the waste cooking oil was carried out using the catalyst from egg shell of purebred chiken with ethanol as a solvent. Synthesis of biodiesel was prepared in two steps, esterification and transesterification. Esterification was conducted in mol ratio of ethanol and waste cooking oil of 9: 1 with H 2 SO 4 as a catalyst. Mol ratio of ethanol and used cooking oil in the transesterification of 12: 1 with the CaO catalyst of shell eggs. CaO catalyst was yielded by calcinations egg shell of purebred chicken on 1000 for two hours. Calcination product was characterized with XRD to determine of CaO. Result of biodiesel was characterized based on FTIR, H-NMR, dan ASTM (American Standard Testing of Materials). Theoretically, yielded of biodiesel was 58% and experiment was 36.779%.
  2. Biodiesel dari Minyak Goreng Bekas dengan Menggunakan Katalis dari Kulit Telur Ayam Ras dengan Pelarut Metanol.Sintesis biodiesel dari minyak goreng bekas telah dilakukan dengan menggunakan katalis dari kulit telur ayam ras dengan pelarut methanol. Proses sintesis biodiesel dilakukan dengan dua tahap, yaitu esterifikasi dan transesterifikasi. Pada reaksi esterifikasi perbandingan mol methanol dan minyak goreng bekas sebesar 9:1, dengan menggunakan katalis H2SO4. Transesterifikasi dilakukan dengan perbandingan mol methanol dan mol minyak goreng bekas sebesar 12:1, dengan menggunakan katalis CaO dari kulit telur ayam ras. Katalis CaO dihasilkan melalui proses kalsinasi kulit telur ayam ras pada suhu 1000oC selama 2 jam. Hasil kalsinasi tersebut dikarakterisasi dengan XRD untuk menentukan pembentukan CaO. Biodiesel yang dihasilkan dikarakterisasi berdasarkan 1H-NMR, FTIR, GC-MS, dan STAM (American Standart Testing of Materials). Besarnya biodiesel yang dihasilkan secara teoritis sebesar 40,298% dan secara eksperimen sebesar 36,779%. Komponen utama pada produk biodiesel yang dihasilkan adalah metil stesrat (40,21%)
  3. Aplikasi Katalis CaO dalam Pembuatan Biodiesel dari Minyak Goreng Bekas.  The research of biodiesel from waste cooking oil using CaO as catalyst with two step esterification and transesterification has been done. On esterificatioan step, methanol and waste cooking oil mol ratio is 1: 9 with H 2 SO 4 1 M as catalyst. On transesterification process using CaO catalyst is 1: 12 on 60-65 oC for 5 hours. Theoritically, biodiesel which resulted is 48,342% while by experimentally is 30, 93%. The main component which resulted are methyl oleate (42, 77%) and biodiesel based on ASTM data results specific density (0, 8746), kinematic viscosity (4,706), flash point (170, 5), pour point (12) and carbon conradson remaining (0, 0193)