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Home > Archives > Vol 19, No 3 (2022)

DOI: https://doi.org/10.31315/e.v19i3

Table of Contents

Effect of Alum Dose in the Coagulation Process for Decreasing the Pollutant in the Palm Oil Mill Effluent: Experimental and Kinetic Analysis Iqbal Syaichurrozi, Jayanudin Jayanudin, Listiyani Nurwindya Sari, Anellysha Putri Apriantika

PDF 91-96

Verification of the Walkley Black Method Test for Determination of Organic Carbon Elements in Palm Oil Empty Fruit Bunch Waste Fertilizer Wakhid Khoirul Umar, Fandika Agustiyar, Aulia Rahma

PDF (Bahasa Indonesia) 97-103

The Effect of Contact Time Variation and Dosage of NaOH-Activated Fly ash on Adsorption of Methylene Blue Brilian Gema Morentera, Sri Wahyuningsih, Dyan Hatining Ayu Sudarni

PDF (Bahasa Indonesia) 104-109

Effect of Tandem Flocculation Agent System on Lime Mud NPE (Non Process Element) Ahmad Wahyu Shaputra, Rachmawati Apriani

PDF (Bahasa Indonesia) 110-116

Improving Stability of Anthocyanin Extracted from Ipomoea batatas by Co-pigmentation Rachma Tia Evitasari, Gita Indah Budiarti

PDF (Bahasa Indonesia) 117-122

Utilization of Papaya Seed Powder as a Bioadsorben to Reduce Total Iron (Fe) in Wastewater Munira Munira, Andi Aladin, Perwitasari Perwitasari, Nur Aulia Hamza, St Umrah Tulzhaliza

PDF (Bahasa Indonesia) 123-128

Adsorption Equilibrium of Methylene Blue By Activated Carbon From Post-Anthesis Male Flower Palm Oil Waste Yuli Ristianingsih, Indriana Lestari, Alit Istiani

PDF (Bahasa Indonesia) 129-133

Potency of Alluvial Mineral of Luk Ulo River with XRD and AAS in Kebakalan Village Kebumen Edy Nursanto, Afroza Pratiwi, Eddy Winarno, Bambang Sugiarto, Riria Zendy Mirahati

PDF (Bahasa Indonesia) 134-139

Mass Transfer Coefficient of Extraction of Anthocyanin from Mangosteen Peel (Garcinia mangostana L.) with Ethanol-HCl as Solvent Zubaidi Achmad, Faizah Hadi, Siti Diyar Kholisoh

PDF 140-147

Physical Property Analysis of Biodegradable Film Made from Garut Starch, Glycerol, and Citric Acid Alit Istiani, Yusmardhany Yusuf, Fauzan Irfandy, Mitha Puspitasari

PDF (Bahasa Indonesia) 148-152

Leaching SiO₂ On Coal Fly Ash As Ammonium Adsorbent In Tofu Liquid Waste Using Hydrothermal Method Danang Jaya, Anisa Anisa, Dian Prasetyani Basuki, Tunjung Wahyu Widayati

PDF 153-159

Fly Ash – Alginate Composites Beads for Rhodamine B Removal Heni Anggorowati, Perwitasari Perwitasari, Indriana Lestari

PDF (Bahasa Indonesia) 160-164