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All Journal Journal of Research and Technology Journal of Industrial Process and Chemical Engineering (JOICHE)
Awaludin, Aditya Fikri
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Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering Environmental Science Industrial & Manufacturing Engineering

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Enhancing Industrial Wastewater Oil Removal Through Integrated Coagulation–Flocculation Pretreatment and Dissolved Air Flotation (DAF) Yustia Wulandari Mirzayanti; Purwaningsih, Dian Yanuarita; Ni'am, Achmad Chusnun; Awaludin, Aditya Fikri
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1516

Abstract

Oil content in the water that exceeds the threshold can pollute the environment if disposed of directly without waste treatment. This study conducted a case study of engineering waste treatment containing 1% oil using the Dissolve Air Flotation (DAF) method through coagulant and flocculant pre-treatment. The independent variable used in this study is pressure and residence time, where the pressure variable consists of 0.6, 0.8, 1, 1.2, and 1.4 bar, while the residence time variables comprised 5, 15, 30, 45, and 60 minutes. This study obtained the maximum pressure and residence time, namely at a pressure of 1.4 bar and a residence time of 60 minutes; the highest oil removal was 98.32%. Turbidity removal was 92.31% in 1% of engineering waste for engineering destruction.
Enhancing Industrial Wastewater Oil Removal Through Integrated Coagulation–Flocculation Pretreatment and Dissolved Air Flotation (DAF) Yustia Wulandari Mirzayanti; Purwaningsih, Dian Yanuarita; Ni'am, Achmad Chusnun; Awaludin, Aditya Fikri
Journal of Research and Technology Vol. 10 No. 2 (2024): JRT Volume 10 No 2 Des 2024
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jrt.v10i2.1516

Abstract

Oil content in the water that exceeds the threshold can pollute the environment if disposed of directly without waste treatment. This study conducted a case study of engineering waste treatment containing 1% oil using the Dissolve Air Flotation (DAF) method through coagulant and flocculant pre-treatment. The independent variable used in this study is pressure and residence time, where the pressure variable consists of 0.6, 0.8, 1, 1.2, and 1.4 bar, while the residence time variables comprised 5, 15, 30, 45, and 60 minutes. This study obtained the maximum pressure and residence time, namely at a pressure of 1.4 bar and a residence time of 60 minutes; the highest oil removal was 98.32%. Turbidity removal was 92.31% in 1% of engineering waste for engineering destruction.
Review Pengaruh Metode Adsorpsi sebagai Pre-Treatment dan Metode Pemurnian Kering dalam Pembuatan Biodiesel Menggunakan Minyak Jelantah Risty, Amelia Eka; Rohmawati, Rizqi; Alfiani, Masita; Suwarno, Kukuh Hadi; Nurkaswoto, Setiya Eko; Awaludin, Aditya Fikri
Journal of Industrial Process and Chemical Engineering (JOICHE) Vol 5, No 1 (2025)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.joiche.2025.v5i1.5783

Abstract

Biodiesel is an alternative fuel used in diesel engines. Biodiesel can be produced from various types of biomass that exist in nature. Biodiesel processing is the process of converting from triglycerides into fatty acid methyl esters (FAME). The biodiesel production method develops with a variety of processes selected based on the conditions of the raw material and the quality of biodiesel to be achieved. Biodiesel production can use conventional methods such as esterification with acid catalysts and transesterification with base catalysts. Despite there are also new methods such as subcritical and supercritical processes in the absence of a catalyst. The general method of purifying biodiesel is the wet washing and dry washing process, a conventional method for removing biodiesel impurities such as soap, catalysts, glycerol, and alcohol residues using water as a washing agent. Acids can also be used as washing agents, such as phosphoric acid, sulfuric acid, and hydrochloric acid. Dry-washing is a purification method using an ion exchange resin. The biodiesel refining process can also be done using membranes. Besides, there are also ionic liquids and eutectic solvents formed from a mixture of organic halide salts and organic compounds that can be applied in the purification of biodiesel.
Co-Authors Achmad Chusnun Ni'am Alfiani, Masita Dian Yanuarita Purwaningsih Nurkaswoto, Setiya Eko Risty, Amelia Eka Rohmawati, Rizqi Suwarno, Kukuh Hadi Yustia Wulandari Mirzayanti