Tidal Influence on Water Quality of Kapuas Kecil River Downstream by Purnaini Rizki, Sudarmadji, Purwono Suryo

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Development of Biobriquette from Nutmeg Seed Shells by Idris Rukmana, Tawiequrrohman Yuliansyah Ahmad, Purwono Suryo

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Syngas Compositions And Kinetics Of South Kalimantan Lignite Coal Char Gasification With Steam by Rumbino Yusuf, Purwono Suryo, Hidayat Muslikhin, Sulistyo Hary

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Hydrocracking of Waste Cooking Oil into Biofuel Using Mesoporous Silica from Parangtritis Beach Sand Synthesized with Sonochemistry by Salamah, Siti, Trisunaryanti, Wega, Kartini, Indriana, Purwono, Suryo

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Synthesis of Mesoporous Silica from Beach Sand by Sol-Gel Method as a Ni Supported Catalyst for Hydrocracking of Waste Cooking Oil by Salamah, Siti, Trisunaryanti, Wega, Kartini, Indriana, Purwono, Suryo

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The effect of silica nanoparticles (SNP) on surface tension of commercial surfactant by Adelina, Dina, Azis, Muhammad Mufti, Purwono, Suryo, Subagio, Agus, Rowi, Khasan

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Synthesis of Mesoporous Carbon from Merbau Sawdust as a Nickel Metal Catalyst Support for Castor Oil Hydrocracking by Trisunaryanti, Wega, Triyono, T., Purwono, Suryo, Purwanti, Aprilia Siti, Sumbogo, Satriyo Dibyo

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Kinetic Study on The Slow Pyrolysis of Isolated Cellulose and Lignin from Teak Sawdust by Kristanto, Jonas, Daniyal, Ahmad Fahmi, Pratama, Dimas Yoga, Bening, Islamey Noer Manikam, Setiawan, Lunardi, Azis, Muhammad Mufti, Purwono, Suryo

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