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Ratna Dewi Kusumaningtyas
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Ratna Dewi Kusumaningtyas
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Ratna Dewi Kusumaningtyas
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1
EFFECT OF ZEOLITE 4A ON WATER CONCENTRATION IN THE SYSTEM OF THE ESTERIFICATION REACTION OF ACETIC ACID WITH 1-BUTANOL
by
Ratna
Dewi
Kusumaningtyas
Published 2010-06-01
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Article
2
Synthesis of ZnO/CaO Catalyst from Eggshell Waste for Biodiesel Production
by
Dino Wicaksono
,
Ratna
Dewi
Kusumaningtyas
Published 2019-06-01
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Article
3
SINTESIS BIODISEL DARI MINYAK BIJI KARET DENGAN VARIASI SUHU DAN KONSENTRASI KOH UNTUK TAHAPAN TRANSESTERIFIKASI
by
Ratna
Dewi
Kusumaningtyas
,
Achmad Bachtiar
Published 2013-05-01
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Article
4
PENGOLAHAN LIMBAH KULIT DURIAN DI WILAYAH GUNUNGPATI MENJADI BIOPESTISIDA YANG RAMAH LINGKUNGAN
by
Ratna
Dewi
Kusumaningtyas
,
Hardi Suyitno
,
Ria Wulansarie
Published 2018-01-01
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Article
5
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
Published 2020-08-01
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Article
6
Reduction of FFA in Kapok Randu (Ceiba pentandra) Seed Oil via Esterification Reaction Using Sulfuric Acid Catalyst: Experimental and Kinetics Study
by
Ratna
Dewi
Kusumaningtyas
,
Muhammad Hafizt Akbar
,
Dwi Widjanarko
Published 2019-12-01
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Article
7
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
Published 2017-12-01
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Article
8
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
Published 2016-04-01
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Article
9
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
Published 2018-10-01
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Article
10
PENERAPAN TEKNOLOGI PENGOLAHAN LIMBAH MINYAK GORENG BEKAS MENJADI SABUN CUCI PIRING UNTUK PENGENDALIAN PENCEMARAN DAN PEMBERDAYAAN MASYARAKAT
by
Ratna
Dewi
Kusumaningtyas
,
Nur Qudus
,
Rr Dewi Artanti Putri
,
Rini Kusumawardani
Published 2019-01-01
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Article
11
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
Published 2017-10-01
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Article
12
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
Published 2014-05-01
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Article
13
Vinasse-Based Slow-Release Organo-Mineral Fertilizer with Chitosan-Bentonite Matrix
by
Nur Qudus
,
Ratna
Dewi
Kusumaningtyas
,
Zakky Syamrizal
,
Zainul Akmar Zakaria
,
Dhoni Hartanto
Published 2021-06-01
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Article
14
PEMBUATAN PUPUK ORGANO-MINERAL FERTILIZER (OMF) PADAT DARI LIMBAH INDUSTRI BIOETANOL (VINASSE)
by
Ratna
Dewi
Kusumaningtyas
,
Oktafiani Oktafiani
,
Dhoni Hartanto
,
Prima Astuti Handayani
,
Dimas Rahadian Aji Muhammad
Published 2015-12-01
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Article
15
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
Published 2021-05-01
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Article
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