Vol. 7 No. 2 (2023): October 2023

Articles

• Characterization of Bioethanol from Tuber of Porang Waste Fermented with Saccharomyces cerevisiae Enzyme: Effect of Fermentation Time and Yeast Ratio

  Rina Ridara, Muhammad Muhammad, Adi Setiawan, Shafira Riskina, Siti Nurjannah

  48-57

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• Reducing Sugar Production by Cellulose Immobilized Enzyme from the Oil Palm Empty Fruit Brunch (OPEFB) Treated by Organosolv Pretreatment

  Vini Ivania Pardeny, Alvanissa Nurfadiya, Irwan Hidayatulloh, Muhammad Umair Ul Haq, Ayu Ratna Permanasari

  58-66

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• Simulation of Furfural and Levulinic Acid Production from Lignocellulosic Biomass

  Jabosar Ronggur Hamonangan Panjaitan

  67-73

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• Restaurant Liquid Waste Treatment into Clean Water Using Graded Filter-Ultrafiltration Membrane Polyethersulfone (PES) Method

  Intan Fadhilah, Abd Mujahid Hamdan, Fachrul Razi

  74-84

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• The Potential of Cassava Peel Waste as a Material of Biodegradable Plastic using Calcium Silicate Filler

  Noor Isnaini Azkiya, S. Sigit Udjiana, Arya Rizqy Irangga, Anatasya Tania Febiyanti

  85-91

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• Evaluation and Management of B3 Waste Sludge via the Sludge Oil Recovery (SOR) Program at PT. X Plaju

  Widya Reza Nurdiasna, Iva Yenis Septiariva, I Wayan Koko Suryawan, Mega Mutiara Sari, Nova Ulhasanah

  92-103

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• Making Charcoal from Nipah (Nypa fruticans) Frond Waste as an Adsorbent to Extend the Shelf Life of Fresh Bread

  Ayu Nur Sabila, Theresia Evila Purwanti Sri Rahayu, Oto Prasadi

  104-113

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• Potential of Citronella Oil and Gum Rosin as Antimicrobial Agents in Floor Cleaner Liquid Against Salmonella thypi

  Wa Ode Cakra Nirwana, Chandrawati Cahyani, Vivi Nurhadianty

  114-122

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• Efficiency of FeSO4.7H2O as a Coagulant on Chromium Hexavalent Removal Using Coagulation-Flocculation Process: Optimization Using Response Surface Methodology

  Andi Baso Pangeran, Moh. Azhar Afandy, Fikrah Dian Indrawati Sawali

  123-133

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