A novel method: Nickel and cobalt extraction from citric acid leaching solution of nickel laterite ores using oxalate precipitation by Astuti, Widi, Nurjaman, Fajar, Rofiek Mufakhir, Slamet and Avista

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Pembuatan natrium silikat dari abu sekam padi dan larutan soda api secara sinambung ditinjau dari segi kinetika reaksi by , ASTUTI, Widi, , Prof.Dr.Ir. Ida Bagus Agra

Optimization of lithium extraction from mud using surface response methodology by Maulidia, Anisa, Astuti, Widi, Petrus, Himawan Tri Bayu Murti

Preparation of activated carbon from banana peel waste for reducing air pollutant from motorcycle muffler by Chafidz Achmad, Astuti Widi, Hartanto Dhoni, Mutia Aulia Septiani, Sari Purtiah Rantau

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Product Diffusion-Controlled Leaching of Nickel Laterite using Low Concentration Citric Acid Leachant at Atmospheric Condition by Wanta, Kevin Cleary, Astuti, Widi, Petrus, Himawan Tri Bayu Murti, Perdana, Indra

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Separation of nickel and cobalt from nitrate leaching solutions of laterite ore by solvent extraction using trihexyltetradecylphosphonium bis (2,4,4-trimethyl pentyl) phosphinate by Yuda Aulia Pertiwi Tri, Avista Dira, Astuti Widi, Petrus Himawan Tri Bayu Murti

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Domestic violence as a consequence of nusyuz under the Islamic law and legislation of Indonesia by Zuhdi, Syaifuddin, Kuswardani, Prakosa, Andria Luhur, Kurnianingsih, Marisa, Astuti, Widi, Ab Rahman, Rozanah

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Synthesis of Nickel Oxalate from Extract Solution of Nickel Laterite Ore: Optimation and Kinetics Study by Surianti, Surianti, Wanta, Kevin C., Astuti, Widi, Mufakhir, Fika R., Perdana, Indra, Petrus, Himawan T. B. M.

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Investigation on Saprolitic Laterite Ore Reduction Process using Palm Kernel Shell Charcoal: Kinetics and Phase Transformation by Petrus, Himawan Tri Bayu Murti, Putera, Andreas Diga Pratama, Warmada, I Wayan, Nurjaman, Fajar, Astuti, Widi, Prasetya, Agus

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Effect of Operating Conditions on Lithium Recovery from Synthetic Geothermal Brine Using Electrodialysis Method by Sujoto, Vincent Sutresno Hadi, Sutijan, Sutijan, Astuti, Widi, Sumardi, Slamet, Louis, Isana Supiah Yosephine, Petrus, Himawan Tri Bayu Murti

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Circular Economy of Coal Fly Ash and Silica Geothermal for Green Geopolymer: Characteristic and Kinetic Study by Petrus, Himawan Tri Bayu Murti, Olvianas, Muhammad, Shafiyurrahman, Muhammad Faiz, Pratama, I Gusti Agung Arvin Nanda, Jenie, Siti Nurul Aisyiyah, Astuti, Widi, Nurpratama, Muhammad Istiawan, Ekaputri, Januarti Jaya, Anggara, Ferian

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Kinetic Study of Lithium Leaching from Sidoarjo Mud Using Sulfuric Acid by Maulidia, Anisa, Sujoto, Vincent Sutresno Hadi, Sudarmaja, Dewa Putu Agus, Putri, Januarti Jaya Eka, Jenie, Siti Nurul Aisyiyah, Astuti, Widi, Supriyatna, Yayat Iman, Warmada, I. Wayan, Sutijan, Sutijan, Anggara, Ferian, Petrus, Himawan Tri Bayu Murti

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The Hydrolysis of Cow’s Rumen and Rice Straw Mixture using Sulfuric Acid and The Fermentation of Its Hydrolysate in Bioethanol Production by Megawati, Arianti Forita Dyah, Prabowo Agung, Astuti Widi, Bahlawan Zuhriyan Ash Shiddieqy, Haryanto Bambang, Pertiwi Miranti Dian, Chanifah, Prasetyo Teguh, Triastono Joko, Djarot Ira Nurhayati, Santoso Arif Dwi, Wijayanti Sri Peni, Zelda Keisha Ruthshanna, Liman Dionicius Cita Buana

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