Effect of medium supplementations and extraction conditions on cellulase production through solid state fermentation of oil palm empty fruit bunches by Vita Wonoputri, Jansen Wijaya, Joevin Saudalimka, Ronny Purwadi

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Pemetaan Pengaruh Proses Pengolahan pada Kualitas Biji Kakao Menggunakan Metode Metabolik Profiling dengan GC/MS by Made Tri Ari Penia Kresnowati, Hana Nur Fitriana, Ronny Purwadi

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Solid State Fermentation Parameters Effect on Cellulase Production from Empty Fruit Bunch by Vita Wonoputri, Subiantoro Subiantoro, Made Tri Ari Penia Kresnowati, Ronny Purwadi

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Performances of Free and Immobilized Frangipani (Plumeria Rubra) Latex Lipase in Palm Oil Lipolysis by Astri Nur Istyami, Ronny Purwadi, Made Tri Ari Penia Kresnowati, Tirto Prakoso, Tatang Hernas Soerawidjaja

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Batik Effluent Treatment and Decolorization—A Review by Nuriah Zakaria, Rosiah Rohani, Wan Hanna Melini Wan Mohtar, Ronny Purwadi, Giovanni Arneldi Sumampouw, Antonius Indarto

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Bioethanol Production via Syngas Fermentation of Clostridium Ljungdahlii in a Hollow Fiber Membrane Supported Bioreactor by Irika Devi Anggraini, Keryanti, Made Tri Ari Penia Kresnowati, Ronny Purwadi, Reiji Noda, Tomohide Watanabe, Tjandra Setiadi

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The effect of Ca/Mg/Zn mixing ratio on the research octane number of bio-gasoline during basic soap pyrolysis by Endar Puspawiningtiyas, Meiti Pratiwi, Ronny Purwadi, Astri N. Istyami, Lidya Elizabeth, Tirto Prakoso, Subagjo, Tatang Hernas Soerawidjaja

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Effects of Nutrients on the Performance of the Biological Sulfur Recovery Unit for Sulfur Removal from Water by Ronny Purwadi, Dessi A. E. Br Ginting, Anbibie Anbibie, Wan Hanna Melini Wan Mohtar, Yusrin Ramli, Antonius Indarto

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The promising performance of manganese gluconate as a liquid redox sulfur recovery agent against oxidative degradation by Andreas Widodo, Yestria Yaswari, Rina Mariyana, Aditya Farhan Arif, Tirto Prakoso, Tri Partono Adhi, Tatang Hernas Soerawidjaja, Ronny Purwadi, Antonius Indarto

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