Pengembangan model matematis reative distillation pada proses produksi biodiesel by , Ratna Dewi Kusumaningtyas

Alteration of Biodiesel Properties and Automotive Diesel Engine Performance due to Temperature Variation of the Transesterification Process by Dwi Widjanarko, Ratna Dewi Kusumaningtyas, Ahmad Afwan Fathoni

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Application of Tin(II) Chloride Catalyst for High FFA Jatropha Oil Esterification in Continuous Reactive Distillation Column by Ratna Dewi Kusumaningtyas, Imam Novrizal Aji, Hadiyanto Hadiyanto, Arief Budiman

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Effects of Solid Vinasse-Based Organo-Mineral Fertilizer on Some Growth Indices of Tomato Plant by Ratna Dewi Kusumaningtyas, Oktafiani Oktafiani, Dhoni Hartanto, Prima Astuti Handayani

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Analysis of Inventory Problems Using the Fault Tree Analysis Method (Case Study: PT Kimpai Dyna Tube) by Siti Salwa Azzahra Nurazizah Nuruljannah, Ratna Dewi Kusumaningtyas, Tyas Samesti

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Sintesis Nanoenkapsulasi Ekstrak Kulit Durian dengan Metode Spray Drying dan Aplikasinya sebagai Biopestisida: Review by Nina Hartini, Syarifatur Richana, Bayu Triwibowo, Nur Qudus, Ratna Dewi Kusumaningtyas

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Esterification of non-edible oil mixture in reactive distillation column over solid acid catalyst: experimental and simulation study by Ratna Dewi, Kusumaningtyas, Haniif, Prasetiawan, Brylian Rizky, Pratama, Dani, Prasetya, Anwaruddin, Hisyam

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Vinasse-Based Slow-Release Organo-Mineral Fertilizer with Chitosan-Bentonite Matrix by Nur Qudus, Ratna Dewi Kusumaningtyas, Zakky Syamrizal, Zainul Akmar Zakaria, Dhoni Hartanto

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Tin (II) Chloride Catalyzed Esterification of High FFA Jatropha Oil: Experimental and Kinetics Study by Ratna Dewi Kusumaningtyas, Prima Astuti Handayani, Rochmadi Rochmadi, Suryo Purwono, Arief Budiman

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Review Pemanfaatan Design Expert untuk Optimasi Komposisi Campuran Minyak Nabati sebagai Bahan Baku Sintesis Biodiesel by Reshita Amalia Ramadhani, Dody Herdian Saputra Riyadi, Bayu Triwibowo, Ratna Dewi Kusumaningtyas

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STUDI PRODUKSI BIODIESEL SECARA KONTINYU DENGAN REACTIVE DISTILLATION DAN ANALISIS TERMODINAMIKANYA by , RATNA DEWI KUSUMANINGTYAS, S. T., M. T., , Prof. Ir. Suryo Purwono, M. A. Sc., Ph. D.

Steady-State and Dynamic Simulation Study of Reactive Distillation for FFA Esterification in Biodiesel Synthesis by Ratna Dewi Kusumaningtyas, Haniif Prasetiawan, Daniel Setiyo Nugroho, Ajeng Riswanti Wulandari, Istadi Istadi, Anwaruddin Hisyam

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Synthesis of Biodiesel via Interesterification Reaction of <i>Calophyllum inophyllum</i> Seed Oil and Ethyl Acetate over Lipase Catalyst: Experimental and Surface Response Methodol... by Ratna Dewi Kusumaningtyas, Normaliza Normaliza, Elva Dianis Novia Anisa, Haniif Prasetiawan, Dhoni Hartanto, Harumi Veny, Fazlena Hamzah, Miradatul Najwa Muhd Rodhi

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Enzymatic Interesterification of Crude Palm Oil with Methyl acetate: Effect of Pre-treatment, Enzyme’s Dosage and Stability by Muhammad Zarin Amin Zainal, Harumi Veny, Fazlena Hamzah, Miradatul Najwa Muhd Rodhi, Andri Cahyo Kumoro, Ratna Dewi Kusumaningtyas, Haniif Prasetiawan, Dhoni Hartanto

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Enzymatic Transesterification Using Different Immobilized Lipases and its Biodiesel Effect on Gas Emission by Nur Fatin Syafiqah Mohamad Nor, Harumi Veny, Fazlena Hamzah, Miradatul Najwa Muhd Rodhi, Ratna Dewi Kusumaningtyas, Haniif Prasetiawan, Dhoni Hartanto, Sarina Sulaiman, Rozana Azrina Sazali

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