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Search results for: process engineering
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Chemical and Process Engineering : New Frontiers
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Journal of Water Process Engineering
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Paradoxes in the engineering change management process
PublicationPurpose: The main purpose of this paper is to conceptualize and operationalize paradoxes that are significant in the engineering change management (ECM) process. The following research question was stated: What are the paradoxes that influence the ECM process, and how can they be measured? Design/methodology/approach: The study is divided into two parts: conceptualization and operationalization. Conceptualization involved a literature...
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Developments in manufacturing engineering and machining process planning
PublicationCurrent research conducted in the Department of Manufacturing Engineering and Automation is presented in the paper. This includes: abrasive cutting off, grinding with lapping kinematics, rapid prototyping and machining procrss planning. Experimental results and computer simulation are presented and analysed.
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Virtual Engineering Object / Virtual Engineering Process: A specialized form of Cyber Physical System for Industrie 4.0
PublicationThis paper reviews the theories, parallels and variances between Virtual Engineering Object (VEO) / Virtual Engineering Process (VEP) and Cyber Physical System (CPS). VEO and VEP is an experience based knowledge representation of engineering objects and processes respectively. Cyber–physical systems (CPSs) are the next generation of engineered systems in which computing, communication, and control technologies are tightly integrated....
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Smart Innovation Engineering System - A Tool for Facilitating Product Innovation Process
PublicationFor the survival and prosperity of the manufacturing unit, entrepreneurs need to find out new ideas that can be implemented in the products leading to innovation. The current study employs a systematic approach for product innovation. In this approach past experiences based on innovation decisions are stored and recalled during the innovation problem solving process. Implementing this system in the process of product innovation...
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Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering
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Process Engineering in Circular Economy
e-Learning CoursesKurs jest przeznaczony dla doktorantów szkoły doktorskiej w dyscyplnach: inżynieria lądowa i transport (SzD), III stopnia, stacjonarne inżynieria środowiska, górnictwo i energetyka (SzD), III stopnia, stacjonarne The course is addressed to PhD students of the doctoral school in disciplines: civil engineering and transport environmental engineering, mining and power engineering Course type: lecture Total hours of...
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Process engineering in circular economy
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Process engineering in circular economy
e-Learning CoursesDefinition and principles of the circular economy (CE). The transition from a linear model to a circular model. Business models for the CE. Circular design and innovation. CE assessment carbon footprint, life cycle assessment. Case studies of the cities implementing the CE concept. CE policy and legislation (EU and Poland). Wastewater treatment plants as an element of the CE. Energy and nutrient recovery technologies in wastewater...
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Manufacturing collective intelligence by the means of Decisional DNA and virtual engineering objects, process and factory
PublicationEngineering collective intelligence is paramount in current industrial times. This research proposes and presents case studies for collective knowledge structures required in the industry field. Knowledge structures such as Set of Experience and Decisional DNA are extended into more advanced knowledge structures for manufacturing processes. These structures are called Virtual Engineering Object, Virtual Engineering Process and...
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Addressing Challenges in AI-based Systems Development: A Proposal of Adapted Requirements Engineering Process
Publication[Context] Present-day IT systems are more and more dependent on artificial intelligence (AI) solutions. Developing AI-based systems means facing new challenges, not known for more conventional systems. Such challenges need to be identified and addressed by properly adapting the existing development and management processes. [Objective] In this paper, we focus on the requirements engineering (RE) area of IT projects and aim to propose...
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Journal of Chemical Engineering & Process Technology
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Silica nanospheres as a key process element in the Green engineering for the synthesis of carbon nanotubes as a supercapacitors additives
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Virtual engineering process (VEP): a knowledge representation approach for building bio-inspired distributed manufacturing DNA
PublicationThe objective of this research is to provide a user-friendly and effective way of representing engineering processes for distributed manufacturing systems so that they can develop, accumulate and share knowledge. The basic defini-tion and principle of the approach is introduced first and then the prototype version of the system is developed and demonstrated with case studies, which verify the feasibility of the proposed approach....
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Process engineering in circular economy 22/23
e-Learning CoursesBackground of the circular economy What is the circular economy? (Definition) How is the circular economy different from a linear economy? How do materials circulate in the circular economy? The circular economy and sustainable development How to measure circularity? Link between the circular economy and life cycle assessment (LCA) What are the benefits of the circular economy? The circular economy policies and governance Wastewater...
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Influence of Ultrasound on the Characteristics of CaP Coatings Generated Via the Micro-arc Oxidation Process in Relation to Biomedical Engineering
PublicationOver the past decade, bone tissue engineering has been at the core of attention because of an increasing number of implant surgeries. The purpose of this study was to obtain coatings on titanium (Ti) implants with improved properties in terms of biomedical applications and to investigate the effect of ultrasound (US) on these properties during the micro-arc oxidation (MAO) process. The influence of various process parameters, such...
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Review of intelligent software architectures for the development of an intelligent decision support system for design process planning in concurrent engineering
PublicationW artykule poddano dogłębnej analizie szereg inteligentnych technik miękkie-go modelowania pod katem ich przydatności w obszarze wspomagania procesówplanowania dla inżynierii współzadaniowej. Skoncentrowano się na wspomaganiujednego z najważniejszych obszarów inżynierii współzadaniowej, a mianowicieprocesu projektowania. W wyniku analizy zaproponowano architekturę wspomaga-nia opartą na tablicowej bazie wiedzy modelującej wnioskowanie...
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Process engineering and chemical equipment - lab -2022/23
e-Learning CoursesProcess engineering and chemical equipment - laboratory
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Process engineering and chemical equipment - project -2022/23
e-Learning CoursesProcess engineering and chemical equipment - project
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Process engineering and chemical equipment - lecture - 2022/23
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[ILiT, IŚGiE] Process engineering in circular economy - Nowy
e-Learning CoursesKurs jest przeznaczony dla doktorantów szkoły doktorskiej w dyscyplnach: inżynieria lądowa i transport (SzD), III stopnia, stacjonarne inżynieria środowiska, górnictwo i energetyka (SzD), III stopnia, stacjonarne The course is addressed to PhD students of the doctoral school in disciplines: civil engineering and transport environmental engineering, mining and power engineering Course type: lecture Total hours of...
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JOURNAL OF FOOD PROCESS ENGINEERING
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Elucidating charge transfer process and enhancing electrochemical performance of laser-induced graphene via surface engineering with sustainable hydrogel membranes: An electrochemist's perspective
PublicationLaser-induced graphene (LIG) has emerged as a promising solvent-free strategy for producing highly porous, 3D graphene structures, particularly for electrochemical applications. However, the unique character of LIG and hydrogel membrane (HM) coated LIG requires accounting for the specific conditions of its charge transfer process. This study investigates electron transfer kinetics and the electroactive surface area of LIG electrodes,...
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[ILiT, IŚGiE] Process engineering in circular economy 20/21 Summer
e-Learning CoursesKurs jest przeznaczony dla doktorantów szkoły doktorskiej w dyscyplnach: inżynieria lądowa i transport (SzD), III stopnia, stacjonarne inżynieria środowiska, górnictwo i energetyka (SzD), III stopnia, stacjonarne The course is addressed to PhD students of the doctoral school in disciplines: civil engineering and transport environmental engineering, mining and power engineering Course type: lecture Total hours of...
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Intensification of free-convection heat transfer in magnetically assisted bioreactor
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Computational Fluid Dynamics and Experimental Studies of a New Mixing Element in a Static Mixer as a Heat Exchanger
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Methodology of heat transfer and flow resistance measurement for matrices of rotating regenerative heat exchangers
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Mathematical modeling of ethanol production by Saccharomyces cerevisiae in batch culture with non-structured model
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A comparative study of thyme ( Thymus vulgaris L.) essential oils and thymol – differences in chemical composition and cytotoxicity
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A new magnetic-hybrid photoreactor for photocatalytic water disinfection
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A study of the influence of synthesis parameters on the physicochemical properties of iron pigments produced from waste iron sulfate
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The effect of fixed adsorption bed height on adsorption of gaseous mixture of volatile organic compounds
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Influence of rotating magnetic field on gas-liquid volumetric mass transfer coefficient
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Investigation of mixing time in liquid under influence of rotating magnetic field
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Influence of Low-Temperature Plasma Treatment on The Liquid Filtration Efficiency of Melt-Blown PP Nonwovens in The Conditions of Simulated Use of Respiratory Protective Equipment
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Microbial response of the anammox process to trace antibiotic concentration
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
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A comprehensive approach to SBR modelling for monitoring and control system design
PublicationThe aim of this research is to provide a comprehensive description of the Sequencing Batch Reactor (SBR) modelling for monitoring, control, and plant operational optimisation validation. The paper provides a detailed modelling of the SBR, its components and constituent processes. For this purpose, the mass balance principle and continuity equations were provided with a reactive term implemented using Activated Sludge Model (ASM)....
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Anthropogenic trace metals in Setiu Wetland: Spatial and seasonal distribution and implications for environmental health
PublicationThe growing urban wastewater volume poses a major global environmental challenge, especially in developing nations where inadequate treatment and discharge impact clean water availability. This study focused on Setiu Wetland, aiming to analyze seasonal and spatial variations of trace metals in particulate form from anthropogenic and pathogenic sources. Surface water samples were collected from multiple stations, measuring physical...
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An algorithm for selecting a machine learning method for predicting nitrous oxide emissions in municipal wastewater treatment plants
PublicationThis study presents an advanced algorithm for selecting machine learning (ML) models for nitrous oxide (N2O) emission prediction in wastewater treatment plants (WWTPs) employing the activated sludge process. The examined ML models comprised multivariate adaptive regression spline (MARS), support vector machines (SVM), and extreme gradient boosting (XGboost). The study explores the concept that involves new criteria to select the...
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Stochastic optimisation algorithm for optimisation of controller parameters for control of dissolved oxygen in wastewater treatment plant
PublicationWastewater treatment plants (WWTPs) are very important facilities for mankind. They enable the removal and neutralisation of man-made pollutants. Therefore, it is important for wastewater treatment plants to operate as efficiently as possible so that the level of pollutants in the treated wastewater meets specific requirements. This paper concerns the design of a hierarchical nonlinear adaptive control system for dissolved oxygen...
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A review of rare earth oxides-based photocatalysts: Design strategies and mechanisms
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Anti-fouling and permeable polyvinyl chloride nanofiltration membranes embedded by hydrophilic graphene quantum dots for dye wastewater treatment
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Comparative study on total nitrogen prediction in wastewater treatment 1 plant and effect of various feature selection methods on machine learning algorithms performance
PublicationWastewater characteristics prediction in wastewater treatment plants (WWTPs) is valuable and can reduce the number of sampling, energy, and cost. Feature Selection (FS) methods are used in the pre-processing section for enhancing the model performance. This study aims to evaluate the effect of seven different FS methods (filter, wrapper, and embedded methods) on enhancing the prediction accuracy for total nitrogen (TN) in the WWTP...
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Numerical analysis of vacuum drying of a porous body in the integrated domain
Publicationn the present study, the vacuum drying process of an apple slice is numerically modeled based on a control volume method. Transient two-dimensional Navier– Stokes, energy, moisture, and Luikov equations are solved by numerical coding (Fortran) to simulate the simultaneous heat and mass transfer in the ambient and apple slice, respectively. The privilege of using Luikov's model is that the capillary forces are considered, and a...
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Extractive detoxification of hydrolysates with simultaneous formation of deep eutectic solvents
PublicationThe hydrolysis of lignocellulosic biomass results in the production of so-called fermentation inhibitors, which reduce the efficiency of biohydrogen production. To increase the efficiency of hydrogen production, inhibitors should be removed from aqueous hydrolysate solutions before the fermentation process. This paper presents a new approach to the detoxification of hydrolysates with the simultaneous formation of in-situ deep eutectic...
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Peroxymonosulfate-assisted photocatalytic degradation of artificial sweeteners in water
PublicationIn the present study, peroxymonosulfate (PMS) activation was proposed for efficient photocatalytic degradation of aspartame, acesulfame, saccharin, and cyclamate - artificial sweeteners frequently present in wastewaters and surface waters worldwide. The TiO2 nanosheets with exposed {0 0 1} facets were synthesised using the fluorine-free lyophilisation technique as a green concept for the synthesis and used for the photodegradation...
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Pre-treatment of bio fraction waste prior to fermentation processes
PublicationCurrent efforts are taken to increase resource efficiency, close material loops, and improve sustainable waste and by-products management. Thus, networking agro-food by-products and converting them into valuable products completely exhausting the potential of the raw material becomes significant. Model lignocellulosic and starch based biomass were subjected to pre-treatment with the application of acidic compounds, i.e. sulphuric...
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Prediction of coking dynamics for wet coal charge
PublicationA one-dimensional transient mathematical model describing thermal and flow phenomena during coal coking in an oven chamber was studied in the paper. It also accounts for heat conduction in the ceramic oven wall when assuming a constant temperature at the heating channel side. The model was solved numerically using partly implicit methods for gas flow and heat transfer problems. The histories of temperature, gas evolution and internal...