ArtikelTitelbild Chem. Ing. Tech. 7/202510.07.2025 Copyright: IUTA; Sebastian Schilling und Heike Glade (Technische Thermodynamik, Universität Bremen, 2018); MANN+HUMMEL Water & Fluid Solution GmbH
ArtikelMembran‐Bioreaktor‐Technik kombiniert mit nachgeschalteter Ozonung – Vergleich mit konventionellen OzonanwendungenCombination of Membrane Bioreactor and Downstream Ozonation – A Comparison to Conventional Ozone Applicationsvon Maximilian Werner et al. · 10.07.2025 Kommunale Kläranlagen gelten als Haupteintragspfad organischer Mikroschadstoffe in die aquatische Umwelt. Ein Großteil der Arzneimittelrückstände und Industriechemikalien wird in Kläranlagen nicht oder nur teilweise entfernt. Um einen qualitativ höh...
ArtikelAblagerungsbildung und ihre Minderung in der Membrandestillation zur Konzentrierung von MeerwasserFouling and its Mitigation in Membrane Distillation for Seawater Brine Concentrationvon Sebastian Schilling et al. · 10.07.2025 Membrandestillation ist ein vielversprechendes Verfahren zur Konzentrierung salzhaltiger Wässer. Kristallisationsfouling und dessen Verminderung mit Additiven wurden in einer Laboranlage bei der Meerwasserkonzentrierung untersucht. Zur Ermittlung de...
ArtikelPhotoelektronenspektroskopie‐Analytik zur Detektion von oxidativen Chlorschäden an UmkehrosmosemembranenPhotoelectron Spectroscopy Analysis for the Detection of Oxidative Chlorine Damage on Reverse Osmosis Membranesvon Franziska Blauth et al. · 10.07.2025 Die Entwicklung von Methoden zur Erkennung von chlorbasierten Oxidationsschäden an Umkehrosmosemembranen auf Basis von Photoelektronenspektroskopie wird beschrieben. Dafür wurden verschiedene Membranen mit unterschiedlichen Chlorspezies oxidativ ges...
ArtikelCO2‐Responsive Polymers for Membrane Applications: Synthesis and Adsorption Performancevon Emil Pashayev et al. · 10.07.2025 An innovative CO2-reactive material, namely, PDMAPAm-b-PMMA diblock copolymers, was developed by a two-step RAFT solution polymerization. The application of the synthesized diblock copolymer as a membrane for CO2 capture was investigated. The copoly...
ArtikelIsoprene‐Styrene Copolymers: Synthesis and Possible Use for Hydrogen Applicationsvon Maryam Moradi et al. · 10.07.2025 Isoprene-styrene-based copolymers were synthesized by surfactant-free controlled radical polymerization, an environmentally friendly and scalable technique, and tested for their gas transport properties in correlation to the commercial poly(4-methyl...
ArtikelReviewing the Challenges Toward Sustainable and Carbon‐Neutral E‐Fuelsvon Alberto Boretti · 10.07.2025 This review explores the role of e-fuels in decarbonizing aviation, shipping, and trucking. It examines challenges like high costs, energy intensity, and infrastructure needs, while highlighting innovations in hydrogen production, CO2 capture, and f...
ArtikelQuality Control of Sewage Water in Wastewater Treatment Plants using Raman Technologiesvon Stefan Schorz et al. · 10.07.2025 Innovative Raman spectroscopy methods for enhancing wastewater treatment monitoring are introduced. Improved sensitivity in detecting low concentrations of analytes is demonstrated, addressing challenges like cross-sensitivity and turbidity. The fin...
ArtikelMeasurement of Dissolved Gas Content in a Hydrocarbon‐Based Liquid Using Gas Chromatographyvon Franziska Koch et al. · 10.07.2025 A method for the determination of dissolved gas content in liquids is presented. The effects of ageing, temperature, and heating time on gas solubility in a hydrocarbon-based liquid were investigated. In particular, longer heating times with much st...
ArtikelAn Upscaling Method in Drying System Design: From Single Sample Kinetic to Dryer Modelsvon Thi Thuy et al. · 10.07.2025 The reaction engineering approach (REA) model was developed to describe the heat and mass interaction between a single food slice and drying agent. By integrating the validated REA model, an upscaling methodology for designing convective drying syst...
ArtikelComparative Simulation of Axial and Radial Fixed‐Bed Reactors for Dimethyl Oxalate Synthesisvon Zhengqi Jiao et al. · 10.07.2025 Two models, one for a tube reactor and one for a radial reactor, were developed using numerical simulation to model the reaction between carbon monoxide and methyl nitrite to produce dimethyl oxalate. The simulations yielded results consistent with ...
ArtikelAI‐ and Image‐Based Analysis of Emulsification Processes: Opportunities and Challengesvon Inga Burke‐Oeing et al. · 25.08.2025 Smart sensor system and its usage for analysis show great potential for process industry. The development and application of an image-based sensor using the single-stage detector YOLO for real-time analysis of liquid–liquid processes is presented. O...
ArtikelCellulose‐Based Adsorbents for Decontamination of Multi‐Pollutant Contaminated Watersvon Alexandra S. et al. · 23.08.2025 Biopolymer-based porous adsorbents able to retain a wider spectrum of aquatic pollutants are important in the context of actual complex water pollution challenges. By blending cellulose with chitosan and by simultaneous doping it with activated carb...
ArtikelFoundation Model for Determining Suitable Process Parameters in Twin‐Screw Extrusionvon Julia Burr et al. · 23.08.2025 Identifying suitable process parameters in extrusion is difficult, necessitating specialized staff and hindering automation. To address this challenge, a foundation model for various screw geometries was created using simulated data. This model can ...
ArtikelApplying Quality by Design to Digital Twin Supported Scale‐Up in Modular Plantsvon Amy Koch et al. · 21.08.2025 Modular Plants are highly flexible and scalable and thus have potential utility to support faster time-to-process. Digital Twins of these modules require FAIR data and prior knowledge from the different domains in process development to describe the...
ArtikelDEXPI 2.0: Synergistic Integration of PFD and P&ID in a Unified Digital Modelvon Gregor Tolksdorf et al. · 21.08.2025 DEXPI 2.0 is designed to combine PFD and P&ID in an overarching model, while keeping the important distinction between process and plant elements. This short communication, based on the PEMT 2024 presentation, describes the motivation for going ...
ArtikelOperator and Management Support for Improving Energy and Material Efficiency in the Chemical Industryvon Stefan Krämer et al. · 13.08.2025 Innovative strategies are explored to enhance resource efficiency in chemical plants highlighting real-time resource efficiency indicators and a robust software platform aiding operators in decision-making. The success achieved through funded resear...
ArtikelComparison of Methods for Quantifying the Carbon Content of Carbonated Wood Ashvon Johanna Eichermüller et al. · 07.08.2025 A comparative assessment of four analytical methods, i.e., thermogravimetric analysis, volumetric analysis, total/inorganic carbon analysis, and CHN elemental analysis to quantify the CO2 equivalent carbon content in wood ash before and after lab-sc...
ArtikelReview on CO2 Activation via Catalytic Reverse Water‐Gas Shift Reactionvon Rafael Becka et al. · 16.07.2025 For turning CO₂ into valuable chemicals, the reverse water-gas shift (RWGS) reaction offers a promising solution by converting CO₂ and H₂ into CO and H₂O. Thermodynamic challenges, catalytic mechanisms, and an overview of the technological readiness...
ArtikelPareto‐Optimal Treatment of Uncertainties in Model‐Based Process Design and Operationvon Jan Schwientek et al. · 09.07.2025 It is described how to handle here-and-now (i.e., process design-related) and wait-and-see (i.e., process operation-related) decisions in a multicriteria framework. This approach exploits the adjustability for the wait-and-see variables while at the...
ArtikelKinetics of the Cumyl Hydroperoxide Acid Cleavage: A Case Studyvon Carlo Perego · 30.06.2025 The cleavage of cumyl hydroperoxide is a fast reaction (0.1 < t 1/2 < 1.5 s), with a rate varying of an order of magnitude by changing the medium composition, i.e., H2O and phenol concentrations. A four-parameter model for the rate constant ha...
ArtikelHandlungsempfehlungen für integratives Ressourceneffizienzmanagement in KMU der chemischen IndustrieGuidelines for Integrative Resource Efficiency Management in Chemical SMEsvon Ingela Tietze et al. · 25.06.2025 Ein integrativer Managementansatz unterstützt KMU der chemischen Industrie dabei, Ressourceneffizienz und Kreislaufwirtschaft systematisch umzusetzen. Digitale Tools, Bewertungsansätze und Technologiescouting fördern praxisnahe Lösungen und stärken ...
ArtikelMLPROP – An Interactive Web Interface for Thermophysical Property Prediction with Machine Learningvon Marco Hoffmann et al. · 25.06.2025 MLPROP is an open-access, web-based interface for predicting thermophysical properties of pure substances and mixtures by machine learning models. Integrating GRAPPA, UNIFAC 2.0, mod. UNIFAC 2.0, and HANNA, it enables accurate and accessible predict...
ArtikelArtificial Intelligence as Analysis Tool of the Circuit Behavior of Mineral Processing Plantsvon Johannes Müller et al. · 18.06.2025 Mineral processing plants are dependent on a high number of interlinking influencing factors, which must be identified and analyzed in order to ensure proper operation. Artificial neural networks and a feature analysis method are used and discussed ...
ArtikelGradient‐Free Measurements of Catalyst Plates Using a Berty Reactorvon Lukas Thum et al. · 16.06.2025 A proof-of-concept for the adaption of a μ-Berty reactor for wash-coated catalyst plates and films is presented on the example of methanol synthesis from CO2. Such a configuration can be used to derive the kinetic parameters and optimize wash-coat p...
ArtikelWhy Engineers Should Read More Novelsvon Michael Kuhn · 08.06.2025 What do engineers do? And what should they work on? A surprising answer is outlined in this essay, which argues that reading novels holds the key for addressing both questions. Novels train the imagination as well as our ethical abilities – skills t...
ArtikelEcologic and Economic Evaluation of Combined Green Methanol Synthesis from CO2 and Biotechnological Upgrading to Value Products, Part 2: Economic Impactvon Mehran Taherkhani et al. · 08.06.2025 A techno-economic assessment was made on the use of green methanol from carbon dioxide and green hydrogen and the subsequent biotechnological conversion to value products. The operational and the capital expenditure were calculated and compared to e...
ArtikelHydrogen from Biogas: Dynamic Modeling of an Integrated Shift Reactorvon Edwin Hirtreiter et al. · 27.05.2025 A dynamic, two-dimensional shift reactor model for the production of hydrogen from biogas is presented. This shift reactor enables the preheating of the biogas feed and, in parallel, reduces fixed-bed temperatures, resulting in increased hydrogen yi...
ArtikelDevelopment and Validation of a Laboratory‐Scale Methanol Synthesis Mini‐Plant and Digital Twin Simulationvon Timothy A. et al. · 27.05.2025 A methanol mini-plant and its digital twin were developed to study flexible feedstocks, reactant recycling, and product condensation. Experimental results show good agreement with simulations, allowing systematic investigation of process parameters....
ArtikelEffect of NaOH Steam on Swelling and Cleaning of Food Soil Layersvon Enrico Fuchs et al. · 26.05.2025 The effects of steam and NaOH steam, in comparison with water and sodium hydroxide, on the swelling behavior and removal forces of three food-based soils were investigated. Comparative cleaning experiments were performed using these food soils after...
ArtikelEinfluss der Partikelgröße auf den Durchgangswiderstand von partikulären SystemenEffects of Particle Size on the Volume Resistance of Particular Systemsvon Ulrich Teipel et al. · 19.05.2025 In einer konzentrischen Messzelle wurde die Abhängigkeit des Durchgangswiderstandes von Partikelschüttungen von den Produkteigenschaften Partikelgröße und Dispersität in Luft untersucht. Grundsätzlich ist festzustellen, dass mit steigender Partikelg...
ArtikelEcologic and Economic Evaluation of Combined Methanol Synthesis from CO2 and Biotechnological Upgrading to Value Products. Part 1: Environmental Impactvon Mehran Taherkhani et al. · 29.12.2024 The combination of methanol synthesis and biotechnological upgrading to value-added products still faces some challenges in order to achieve a positive environmental impact and thus the goal of synergetic development of biotechnological and chemical...
ArtikelCarbohydrate Wastes to Chemicals (CtC): From Second‐Generation Sugars to Glycolsvon Giuseppe Cusati et al. · 20.12.2024 The Carbohydrate Wastes to Chemicals (CtC) project examined an alternative and sustainable route to the production of glycols with propylene glycol as the main product. Thereby, the utilization of carbohydrate-containing residues as second-generatio...
ArtikelStoffliche Nutzung von CO2‐haltigen Abgasströmen aus der Kalkindustrie und AbfallverwertungsanlagenUtilization of CO2‐Containing Waste Gas Streams from the Lime Industry and Waste‐to‐Energy Plantsvon Johann Kirchner et al. · 09.08.2024 Die stoffliche Nutzung von CO2 durch Hydrierung zu Methanol kann einen Beitrag zur Minderung klimawirksamer Emissionen leisten. An Beispielen aus der Kalkindustrie und thermischen Abfallverwertung werden in einer techno-ökonomischen und Lebenszyklus...
ArtikelRetracted: Can the chemical industry solve the climate change?On the role of human energy production, renewable energies, and the potential of chemistry as a solution providervon Martin Bertau et al. · 25.10.2023 Let us consider an alternative perspective on climate change: The sum of solar radiation and heat generated by human activity result in a net energy input of 1.96 times that of the Sun on the Earth's surface. The expanding global population is expec...
