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Browsing Conference Papers by Author "Purwaningsih, Is Sulistyati"

Browsing Conference Papers by Author "Purwaningsih, Is Sulistyati"

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  • Biodiesel production from palm frying oil using sulphated zirconia catalyst in a bubble column reactor 
    Purwaningsih, Is Sulistyati; Joelianingsih, Joelianingsih; Wahyudin, Wahyudin (Universitas Katolik Parahyangan, 2013-12)
    Homogeneous catalysts are promising for the transesterification reaction of vegetable oil to produce biodiesel since this catalyst offer certain advantages such as high activity, easily reached reaction condition and less ...
  • Hidrogenasi Parsial Biodiesel Jarak Pagar dan Teknik Pencampuran untuk Peningkatan Stabilitas Oksidasi 
    Joelianingsih, Joelianingsih; Purwaningsih, Is Sulistyati; Fajar, Rizqon; Sari, Ratna M; Mapaliey, Elsa S.F (Jurusan dan Himpunan Mahasiswa Teknik Kimia Institut Teknologi Nasional Bandung, 2012-09-27)
    Penggunaan biodiesel memiliki keterbatasan dengan stabilitas oksidasi dan cold-flow properties. Biodiesel selain harus mememuhi spesifikasi yang terdapat pada SNI 04 — 7182 - 2006 juga mememuhi kriteria World Wide Fuel ...
  • Modification Method Of EN14105 For Determination Of Free Glycerol And Mono-Di-Triglycerides Contents In Biodiesel 
    Joelianingsih, Joelianingsih; Purwaningsih, Is Sulistyati; Indra, Imansyah (Departemen of Chemical Engineering Faculty of Industrial Technology Institut Teknologi Bandung Departemen of Chemical Engineering Faculty of Industrial Technology Institut Teknologi Bandung, 2013-10-10)
    Determination of free glycerol and mono-, di-, triglycerides contents in biodiesel is the most critical parameter for the successful of transesterification reaction. Gas Chromatography (GC) is one apparatus to get the ...

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