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Chemical Engineering Transactions
Scopus
ISSN 2283-9216 · AIDIC Servizi S.r.l. · 15,200 articles in the index
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Journal Article
Role of the Oxide Support on the CO2 Hydrogenation over Supported Ni Catalysts
In Brazil, CO2 generated during sugarcane ethanol fermentation offers a biogenic CO2 providing an excellent opportunity for carbon recycling and reduction of the overall ethanol carbon footprint. The hydrogenation of CO2 into value added C1 products, such as CH4, remains challenging due to its…
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Journal Article
Microalgae Cultivation as a Method for Nutrient Removal and Valorisation of Liquid Digestate from Biogas
Liquid digestate from biogas production represents a nutrient-rich by-product that poses logistical and environmental challenges. This study investigated the suitability of liquid digestate derived from fish sludge as a growth medium for the freshwater microalga Chlorella sorokiniana (UTEX B2805)…
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Journal Article
Mapping of Digestate Originating from Norwegian Biogas Plants using Feedstocks from the Food System
Biogas production in Norway is expected to increase substantially, driven mainly by expanded use of livestock manure, food waste, fish sludge, and fish ensilage. While this supports climate mitigation and circular bioeconomy objectives, it will also lead to a significant rise in digestate…
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Journal Article
Computer-Aided Exergy Assessment of a Biorefinery from Avocado Hard Waste
In Colombia, the rapid expansion of Hass avocado cultivation has increased the availability of the fruit across different regions. During avocado processing operations, residues, such as the seed or peel, account for the most significant waste fraction, resulting not only in environmental…
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Journal Article
Process-Driven Assessment of Heterotrophic Continuous Cultivation of the Extremophilic Microalga Galdieria Sulphuraria as a Function of Temperature and pH
The polyextremophilic red microalga Galdieria sulphuraria represents a promising platform for waste-to-biomass bioprocesses, as it can grow heterotrophically under acidic and thermophilic conditions that intrinsically limit microbial contamination. However, quantitative data on the combined effects…
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Journal Article
Rice Husk Ash Valorization in Modulating the Metakaolin-based Geopolymer Binder Properties via High-volume Biomass Substitution
This study evaluates the valorization of rice husk ash (RHA) as a silica-rich precursor in metakaolin (MK)-based geopolymers, transforming a low-density agricultural residue into a functional mineral additive that reduces dependence on costly, energy-intensive synthetic silica sources. Three binary…
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Journal Article
Removal of Organic and Inorganic Salts from Hydrocarbon Contaminated Water using Activated Carbon Materials from Agricultural Residues
In the oil and gas industry, approximately 250 million barrels of water are produced daily worldwide, a number that may increase as producing fields decline and new methods are developed to improve hydrocarbon extraction. Due to the large volumes of water reaching the surface, there is a need to…
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Journal Article
Treatment of Mercury (Hg2+) Contaminated Water using Activated Carbon Derived from Cocoa Husk
Contamination of river sources in various rural areas of Colombia with mercury ions (Hg2+) has become an increasingly frequent problem, primarily associated with mining activities. This represents a significant environmental and public health issue, as these water bodies serve as drinking water…
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Journal Article
Integrated Mixotrophic Cultivation Strategy for Limnospira (Spirulina) Platensis using Vinegar Wastewater: Productivity Enhancement through Controlled Organic Supplementation and Salinity Optimization
Agro-industrial wastewaters rich in organic compounds represent both an environmental liability and a potential resource for sustainable bioprocesses. This study evaluated a cultivation strategy for Limnospira (Spirulina) platensis based on controlled mixotrophic supplementation with vinegar…
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Journal Article
Influence of Alkaline Catalysis on the Quality of Biodiesel Obtained from Crude Palm Oil (Elaeis Guineensis)
The research titled “Influence of alkaline catalysis on the quality of biodiesel obtained from crude palm oil (Elaeis guineensis) in Ucayali” evaluated the effect of methanol-to-oil molar ratio and catalyst concentration on biodiesel yield and quality. The most favorable condition was found at a…
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Journal Article
Agricultural Waste for Hybrid Microgrids: Systematic Review on Biogas-Solar Integration and Community Business Models
The imperative transition to decentralized energy systems has catalyzed the positioning of hybrid microgrids that integrate biogas derived from agricultural waste with photovoltaic solar energy as technically and economically viable alternatives for sustainable rural electrification in emerging…
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Journal Article
Chitosan-Based Hydrogels for Sustainable Biodiesel Dehydration
Biodiesel can absorb about ten times more water than diesel, which makes it challenging to control its water content according to the specifications set by regulatory agencies. Therefore, efficient water removal from biodiesel is essential to ensure fuel stability and performance. The novelty of…
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Journal Article
Experimental Investigation of Lignocellulosic Biomass Flow Behaviour in Valorisation Processes
The transition toward a sustainable bioeconomy relies on efficient biomass valorisation processes, which critically depends on the ability to predict and control the flow behaviour of solid biomaterials like lignocellulosic biomass (LCB). However, the rheological properties of LCB remain difficult…
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Journal Article
Mapping Optimal Ethanol Steam Reforming Plant Operating Conditions
Steam reforming of ethanol (SRE) represents a prominent method for obtaining hydrogen, as it uses a renewable and non-toxic biofuel as a primary feedstock. In order to improve the industrial attractiveness of this catalytic pathway, this work aims to optimize reactor temperatures (°C), pressure…
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Journal Article
Numerical Evaluation and Theoretical Insights of In-Situ Water Removal in DME Synthesis via CO2 Hydrogenation
Dimethyl ether (DME) is a promising alternative fuel, particularly when synthesized via CO2 hydrogenation. Conventional processes are limited by water formation, which reduces conversion and selectivity. This study develops a kinetic model in MATLAB to evaluate the impact of in situ water removal…
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Journal Article
Kinetic Parameter Sensitivity in Microbial Electrolysis Cell Performance Modeling
Microbial Electrolysis Cells (MEC) represent a promising technology for hydrogen production from wastewater, requiring low applied voltages compared to conventional water electrolysis. However, system performance remains limited due to complex microbial interactions, making mathematical modeling…
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Journal Article
Physically Based Modelling of Particle Size Evolution for Knife-milled Beech Chips
Efficient milling of lignocellulosic waste biomass is critical for its valorisation in Waste-to-X processes. Mathematical modelling of particle size is important for optimising the milling process to produce particles of suitable size for subsequent processing. Currently, empirical models with a…
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Journal Article
Application of Deep Eutectic Solvents in the Extractive Distillation of Water and Ethanol using a Rotary Evaporator
This research investigates the use of Choline Chloride and Lactic Acid-based (ChCl:LA) Deep Eutectic Solvents (DES) to overcome thermodynamic limitations in water-ethanol mixtures separation using a rotary evaporator under reduced pressure. It addresses batch single-stage extractive distillation on…
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Journal Article
Generation of Solid and Liquid Biofuels by Pyrolysis of Sugarcane Bagasse
Several environmental impacts are associated with the intensive use of energy from non-renewable sources, such as fossil fuels. To reduce this dependence, the global demand for renewable alternatives has been increasing. In this context, the Brazilian energy matrix stands out for being…
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Journal Article
Experimental Investigation of Gas-Liquid Hydrodynamics in a Pilot-Scale Stirred Vessel with Non-Newtonian Fluids for Biomethane Production Applications
Accurate understanding of gas–liquid systems involving non-Newtonian fluids is essential for the design and optimization of processes such as biomethane production. In this work, a pilot-scale stirred tank was experimentally investigated to assess the influence of non-Newtonian rheology on power…
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