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Jurnal Rekayasa Kimia & Lingkungan
ISSN 1412-5064 · Universitas Syiah Kuala, Chemical Engineering Department · 397 artikel di indeks
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Artikel Jurnal
Biosynthesis of Silver Nanoparticles Using Black Pepper (Piper nigrum L.) Essential Oil as a Bioreductor
The development of environmentally friendly methods for nanoparticle synthesis has gained increasing attention. Black pepper essential oil contains secondary metabolites that act as both reducing and stabilizing agents, making it a promising green alternative in silver nanoparticle (AgNP)…
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Artikel Jurnal
Estimation of Critical Properties of Eucalyptol, Alpha-Terpineol, Limonene, and Caryophyllene in Eucalyptus Oil (Melaleuca leucadendra) Using the Group Contribution Method
Critical property estimation of compounds in eucalyptus oil has been conducted using the Group Contribution method to improve the accuracy of calculations of critical temperature (Tc), critical volume (Vc), critical pressure (Pc), and normal boiling point (Tb). This study updates the previous…
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Improving Carrageenan Extraction Efficiency and Stability Using KOH, NaOH, and Anti-Caking Agents
This study investigates the impact of varying concentrations of potassium hydroxide (KOH) and sodium hydroxide (NaOH), along with anti-caking agents, on the quality of carrageenan extracted from Eucheuma cottonii seaweed. FTIR analysis revealed that KOH-extracted carrageenan retained key functional…
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Artikel Jurnal
Enhancement of Functional Characteristics of Beneng Taro Noodles by Incorporating Garlic Nanoparticles as Bioactive Compounds
Functional noodles were prepared using Beneng Taro starch and garlic nanoparticles, employing a nanocomposite technology method. The incorporation of garlic nanoparticles into the starch matrix was confirmed through FTIR analysis, which indicated an association with protein content in the…
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Artikel Jurnal
Heavy Metal Adsorption Using Cellulose Xanthate from Sugarcane Bagasse: A Fixed-Bed Column Study
In recent years, various environmentally friendly adsorbents have been developed to address the removal of heavy metals from industrial wastewater. This study focuses on the adsorption of lead (Pb²⁺) and copper (Cu²⁺) using cellulose xanthate derived from sugarcane bagasse as an adsorbent. The…
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Optimization of Biodiesel Synthesis from Avocado Seeds Using Response Surface Methodology (RSM)
The synthesis of biodiesel from avocado seed oil has been successfully conducted. This study aimed to determine the optimized parameters for the transesterification reaction using Response Surface Methodology (RSM). The transesterification reaction was carried out with variations in the methanol…
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Artikel Jurnal
Synthesis of Microgel Sulfated Carboxymethyl Cellulose (SCMC) by Double Crosslinked Alginate from Lindur Fruit (Bruguiera gymnorrhiza) for Diabetic Ulcer Healing
Microgels have been recognized as promising scaffolds for diabetic wound care due to their favorable properties in promoting wound healing. This study aims to synthesize a microgel using sulfated carboxymethyl cellulose (SCMC) derived from Lindur fruit (Bruguiera gymnorrhiza) for potential…
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Design of Storage Warehouse with Environmentally Friendly Concept: Case Study of ABC Fuel Terminal
This article presents the design of a storage warehouse at the ABC fuel terminal using an environmentally friendly approach. The concept integrates renewable energy, sustainable building design, ventilation systems, natural lighting, automation, and efficient layout arrangements. A quantitative…
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Artikel Jurnal
Effect of Glycerol Concentration and Filler Addition on the Properties of Bioplastics Derived from Kepok Banana Corm Starch
The waste from kepok banana corms and stems has not been well utilized, even as banana production continues to rise, increasing the volume of such waste. In Indonesia, banana production in 2023 reached 9.75 million tons, up from 7.2 million tons the previous year, leading to a corresponding…
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Artikel Jurnal
Assimilative Capacity of Air Pollutants Using Emission Inventory and Dispersion Model
Air pollution in urban areas will increase along with increasing population activity. This study, with the location of Magelang Regency, examines the carrying capacity and capacity of air pollution. The study began with the identification of emission inventories for transportation, household, waste…
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Artikel Jurnal
Optimization of Acid Degumming of Crude Rice Bran Oil (CRBO) on Phospholipid Removal Using Response Surface Methodology (RSM)
Rice bran, a byproduct of milling rice, has 60% nutritional content and potential for processing into higher-selling goods like rice bran oil (RBO). Degumming is the first stage of refining crude oil. This research aims to remove phospholipids in crude rice bran oil (CRBO) by optimizing acid…
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Artikel Jurnal
Conversion of Green Coconut Shell and Husk into Biobriquette Using Jatropha seed Adhesive
Green coconut shell and husk (GCSH) waste had the potential to pollute the environment if not properly utilized. As a solution, innovations in processing GCSH into biobriquettes could generate eco-friendly renewable energy with economic value. This study aimed to optimize the utilization of GCSH as…
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Artikel Jurnal
Analyzing And Mapping of Sound Pressure Level in The Packing Plant Unit of PT Semen Padang Teluk Bayur
The cement industry is one of the strategic industries that has positive and negative impacts. One of the negative impacts is noise pollution. This research aimed to compare the sound pressure level (SPL) to the standard, analyzed the meteorological influence on SPL, and conducted noise level…
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Artikel Jurnal
Properties of Recycled Polyethylene Terephthalate (rPET)/Stearic Acid/Green Mussel Shell (GMS) Composite
The increasing accumulation of plastic waste, particularly polyethylene terephthalate (PET), presents significant environmental challenges. This study explores the incorporation of green mussel shell (GMS) as a bio-filler in recycled polyethylene terephthalate (rPET) composites to promote…
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Artikel Jurnal
Characterization and Effect of NaOH/ZnCl2 Chemical Activation on Nickel-Impregnated Activated Carbon for Biofuel
The global energy crisis, driven by dwindling fossil fuel reserves and surging energy demand, necessitates a sustainable solution. Therefore, this research aimed to develop sugarcane molasses-based activated carbon as a support for nickel (Ni) catalysts to increase the efficiency of bio-oil…
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Artikel Jurnal
Analysis of Gas Sweetening Unit for Natural Gas Using Membrane and aMDEA Technology with High CO2 Concentration > 60 % in XYZ Field
The XYZ field in Jatibarang, West Java, processes 19 MMSCFD of gas with CO2 content over 60%, which does not meet the 8% CO2 limit required by the gas sales agreement. Traditional absorption technologies, while effective, have high energy demands. This study aims to optimize CO2 removal by…
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Artikel Jurnal
Assessment of Sail River Water Quality in Pekanbaru City Using the STORET and Pollution Index (IP) Methods
The Sail River acts as the main drainage in Pekanbaru City. Several community activities around the Sail River, such as residential areas, plantations, livestock, shops, markets, and schools, cause decreasing in water quality in the Sail River. For this reason, it is necessary to analyze the water…
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Artikel Jurnal
Urban Metabolism: From Molecular Scale to Anthropogenic Systems
The aim of this paper is to show how an “Urban Metabolism” approach can be used for analysing, designing, and optimizing material and energy flows and stocks in human settlements. For this purpose, material flow analysis (MFA) and substance flow analysis (SFA) is applied in a rigid way to…
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Artikel Jurnal
Advanced Applications of Pozzolan-Derived Silica: Hydrophobic Agent Synthesis
The Sumatera Barat province of Indonesia, particularly Padang Pariaman Regency, is rich in pozzolan, a natural resource characterized by high silica (SiO₂) and alumina (Al₂O₃) content. Despite its abundance, pozzolan remains underutilized, primarily used in conventional applications such as cement…
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Artikel Jurnal
Techno-Economic Analysis of Electricity Generation From Rice Husk Based On Demand For Electric Vehicle: A Case Study In Surabaya City, Indonesia
On August 5, 2019, the President of the Republic of Indonesia issued a Presidential Regulation (Perpres) concerning the acceleration of the battery-based electric motorized vehicle program for road transportation. However, fossil energy sources such as coal, oil and natural gas used in conventional…