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Ronny Purwadi

Bandung Institute of Technology

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Featured researches published by Ronny Purwadi.

MATEC Web of Conferences | 2018

An innovative method to produce drop-in fuel by alkaline earth-transition metals basic soap decarboxylation

Godlief F. Neonufa; Meiti Pratiwi; Astri Nur Istyami; Lidya Elizabeth; Sri Suminar Dewi; Ronny Purwadi; Tirto Prakoso; Tatang Hernas Soerawidjaja

Decarboxylation of metal soap is an emerging method to produce drop-in fuels as an alternative to the expensive hydrotreatment process. In this study, the Mg-Fe basic soap produced from palm kernel fatty acid had been successfully decarboxylated into jet-fuel type biohydrocarbons. The Mg-Fe basic soap with ratio of 8:2 mol was decarboxylated for 5 hours at atmospheric pressure and temperature varied up to 370°C; it produced a liquid product whose yield was around 60 %-weight. The resulting hydrocarbon product was a complex mixture consisted of normal paraffins in the range of carbon chain length C 8 – C 17 , iso-and cyclo-paraffins, and various olefin products.

Journal of Biotechnology | 2004

Kinetic study of detoxification of dilute-acid hydrolyzates by Ca(OH)2.

Ronny Purwadi; Claes Niklasson; Mohammad J. Taherzadeh

International Journal of Molecular Sciences | 2007

A Possible Industrial Solution to Ferment Lignocellulosic Hydrolyzate to Ethanol: Continuous Cultivation with Flocculating Yeast

Ronny Purwadi; Tomas Brandberg; Mohammad J. Taherzadeh

Bioresource Technology | 2008

The performance of serial bioreactors in rapid continuous production of ethanol from dilute-acid hydrolyzates using immobilized cells

Ronny Purwadi; Mohammad J. Taherzadeh

Archive | 2006

Continuous Ethanol Production from Dilute-acid Hydrolyzates: Detoxification and Fermentation Strategy

Ronny Purwadi

Bioresource Technology | 2016

Enzyme feeding strategies for better fed-batch enzymatic hydrolysis of empty fruit bunch

Yohanes Eko Chandra Sugiharto; Ardiyan Harimawan; Made Tri Ari Penia Kresnowati; Ronny Purwadi; Rina Mariyana; Andry; Hana Nur Fitriana; Hauna Fathmadinda Hosen

Journal of The Japan Institute of Energy | 2015

Microbial Production of Xylitol from Oil Palm Empty Fruit Bunches Hydrolysate: The Effect of Glucose Concentration

Efri Mardawati; Dwi Wahyudha Wira; Mtap Kresnowati; Ronny Purwadi; Tjandra Setiadi

MATEC Web of Conferences | 2018

Bioconversion Studies of Methyl Laurate to Dodecanedioic Acid using a Wild-type of Candida tropicalis

Rifkah Akmalina; Ronny Purwadi; Johnner P. Sitompul

MATEC Web of Conferences | 2018

Bioethanol Production via Syngas Fermentation

Irika Devi Anggraini; Made Tri Ari Penia Kresnowati; Ronny Purwadi; Tjandra Setiadi

Bulletin of Chemical Reaction Engineering & Catalysis | 2018

Solid state fermentation parameters effect on cellulase production from empty fruit bunch

Vita Wonoputri; Subiantoro Subiantoro; Made Tri Ari Penia Kresnowati; Ronny Purwadi

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Made Tri Ari Penia Kresnowati

Bandung Institute of Technology

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Tatang Hernas Soerawidjaja

Bandung Institute of Technology

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Mohammad J. Taherzadeh

University of Borås

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Hana Nur Fitriana

Bandung Institute of Technology

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I.D.G. Arsa Putrawan

Bandung Institute of Technology

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Tjandra Setiadi

Bandung Institute of Technology

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Ardiyan Harimawan

Bandung Institute of Technology

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Astri Nur Istyami

Bandung Institute of Technology

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Dwi Wahyudha Wira

Padjadjaran University

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Efri Mardawati

Padjadjaran University

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