Physico-chemical characteristics of coffee parchment and its combustion residue to delineate the components required for gasification catalyst by Zahra Fona, Irvan, Rondang Tambun, Fatimah, Adi Setiawan

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Pembuatan Biofuel dari Palm Stearin dengan Proses Perengkahan Katalitik Menggunakan Katalis ZSM-5 by Rondang Tambun, Rangga P Saptawaldi, Muhammad Anshori Nasution, Oktris N Gusti

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Carbon footprint of biodiesel production using waste cooking oil: Performance and analysis through amberlite HPR 9000 SO4 as catalyst by Anggara Dwita Burmana, Renita Manurung, Affila, Aga Nugraha, Asri Munawar, Rondang Tambun

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Gasification of Coffee Parchment as Potential Method for Coffee Agro-Industry Waste Utilization by Zahra Fona, Adi Setiawan, Irvan Irvan, Rondang Tambun, Fatimah Fatimah, Muhammad Hadiansyah, Zein Ramadani

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Natural corrosion inhibitors derived from powder, concentrated extract and tannin of ketapang (Terminalia catappa L.) leaves for iron protection in sodium chloride solutions by Rondang Tambun, Azizul Helmi Bin Sofian, Bode Haryanto, Vikram Alexander, Bryan Tuah Prima, Patricia Rachel Waruwu

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Life cycle assessment of reusing by-products from esterification reaction: Through the acidification process by Anggara Dwita Burmana, Rondang Tambun, Renita Manurung, Maya Sarah, Bode Haryanto, Iriany, Ruri Rizki Syahputri Zuhri

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