<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH"^^ . "Spent Bleaching Earth (SBE) is a solid waste from the Crude Palm Oil (CPO)\r\nrefining process which contains 17-40% oil residue, which has the potential to be\r\nused as a renewable fuel to replace petrodiesel. Biodiesel production goes\r\nthrough the transesterification stage influenced by several factors, such as\r\nmethanol ratio, addition of co-solvent such as hexane, and catalyst concentration.\r\nThe aim of this research was to determine the influence and optimum conditions\r\nof the methanol ratio and hexane ratio on SBE and catalyst concentration on\r\nbiodiesel production by in situ transesterification. This research was carried out\r\nusing the Response Surface Method (RSM) with a Central Composite Design\r\n(CCD) under conditions of a methanol/SBE ratio of 7.00; 8.00; and 9.00 (v/b), the\r\nhexane/SBE ratio of 1.00; 2.00; and 3.00 (v/w) and catalyst concentration of 1.00;\r\n2.00; and 3.00% (w/w). The research results showed that the methanol ratio\r\naffected water content, saponification number, iodine number and cetane index, as\r\nwell as the hexane ratio and catalyst concentration also affected the acid number.\r\nOptimum conditions were obtained at a methanol/SBE ratio of 7.00 (v/w), a\r\nhexane/SBE ratio of 2.96 (v/w), and a catalyst concentration of 3.00% (w/w),\r\nwhich produced biodiesel yield of 72,84%. The produced biodiesel had water\r\ncontent of 0,616%, acid number of 2,351 mgKOH/g, saponification number of\r\n202,607 mgKOH/g, iodine number of 53,41 gI2/100g, and cetane indeks of\r\n61,546.\r\n\r\nKeywords: biodiesel, spent bleaching earth (SBE), in situ transesterification\r\n\r\nABSTRAK\r\n\r\nPENGARUH NISBAH METANOL, HEKSANA, DAN\r\nKONSENTRASI KATALIS DALAM PRODUKSI BIODIESEL SECARA\r\n\r\nTRANSESTERIFIKASI IN SITU\r\nSPENT BLEACHING EARTH\r\n\r\nOleh\r\n\r\nHANDAYANI YAZIDA KARLINA\r\n\r\nSpent Bleaching Earth (SBE) merupakan limbah padat dari proses pemurnian\r\nCrude Palm Oil (CPO) yang mengandung residu minyak sebesar 17-40%, yang\r\nberpotensi untuk dimanfaatkan sebagai bahan bakar terbarukan menggantikan\r\npetrodiesel. Produksi biodiesel melalui tahap transesterifikasi dipengaruhi oleh\r\nbeberapa faktor seperti nisbah metanol, penambahan co-solvent seperti heksana,\r\ndan konsentrasi katalis. Tujuan penelitian ini adalah untuk mengetahui pengaruh\r\ndan kondisi optimum dari nisbah metanol dan nisbah heksana terhadap SBE serta\r\nkonsentrasi katalis pada produksi biodiesel secara transesterifikasi in situ.\r\nPenelitian ini dilakukan menggunakan Response Surface Method (RSM) dengan\r\nrancangan Central Composite Design (CCD) pada kondisi nisbah metanol/SBE\r\nsebesar 7,00; 8,00; dan 9,00 (v/b), nisbah heksana/SBE sebesar 1,00; 2,00; dan\r\n3,00 (v/b) dan konsentrasi katalis sebesar 1,00; 2,00; dan 3,00% (b/b). Hasil\r\npenelitian menunjukkan nisbah metanol berpengaruh terhadap kadar air, bilangan\r\npenyabunan, bilangan iod, dan indeks setana begitupun nisbah heksana dan\r\nkonsentrasi katalis juga berpengaruh pada bilangan asam. Kondisi optimum\r\ndiperoleh pada kondisi nisbah metanol/SBE sebesar 7,00 (v/b), nisbah\r\nheksana/SBE sebesar 2,96 (v/b), dan konsentrasi katalis sebesar 3,00% (b/b), yang\r\nmenghasilkan rendemen biodiesel sebesar 72,84%. Biodiesel yang dihasilkan\r\nmengandung kadar air sebesar 0,616%, bilangan asam sebesar 2,351 mgKOH/g,\r\nbilangan penyabunan sebesar 202,607 mgKOH/g, bilangan iod sebesar 53,41\r\ngI2/100g, dan indeks setana sebesar 61,546.\r\nKata kunci: biodiesel, tanah pemucat bekas (SBE), transesterifikasi in situ"^^ . "2024-06-11" . . . . . "FAKULTAS PERTANIAN"^^ . . . . . . . "YAZIDA KARLINA"^^ . "HANDAYANI "^^ . "YAZIDA KARLINA HANDAYANI "^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (File PDF)"^^ . . . "1. ABSTRAK - ABSTRACT - HANDAYANI YAZIDA KARLINA.pdf"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (File PDF)"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (File PDF)"^^ . . . "3. SKRIPSI TANPA BAB PEMBAHASAN - Nabila Setiyana.pdf"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "preview.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "medium.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "small.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "preview.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "medium.jpg"^^ . . . "EFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST\r\nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU\r\nTRANSESTERIFICATION SPENT BLEACHING EARTH (Other)"^^ . . . . . . "small.jpg"^^ . . "HTML Summary of #86922 \n\nEFFECT OF METHANOL, HEXANE RATIOS, AND CATALYST \nCONCENTRATION IN BIODIESEL PRODUCTION BY IN SITU \nTRANSESTERIFICATION SPENT BLEACHING EARTH\n\n" . "text/html" . . . "620 Ilmu teknik dan ilmu yang berkaitan" . .