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Search results for: plastic waste management
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ICT in Management 2020
e-Learning CoursesICT in Management for Bachelor in Management students
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Production of fuel briquette from solid waste biomass using natural resin as a binder
PublicationAbstract Background: This research aimed to evaluate the use of natural resin as a binder for the production of fuel briquette from solid waste biomass. Methods: Proximate analyses were made for fuel briquette prepared from solid waste biomass using natural resin as a binder in comparison with using starch as a binder. Results: The results for density, percent content of moisture, percent content of volatile matter, percent content...
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Exergy analysis of the Szewalski cycle with a waste heat recovery system
PublicationThe conversion of a waste heat energy to electricity is now becoming one of the key points to improve the energy efficiency in a process engineering. However, large losses of a low-temperature thermal energy are also present in power engineering. One of such sources of waste heat in power plants are exhaust gases at the outlet of boilers. Through usage of a waste heat regeneration system it is possible to attain a heat rate of approximately...
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Fabrication of toughened plastic using styrene butadiene rubber-poly (methyl methacrylate) interpenetrating polymer networks
PublicationA standard set of interpenetrating polymeric networks (IPNs) has been contrived using an elastomerstyrene butadiene rubber and a thermoplastic poly (methyl methacrylate) through sequential polymerization protocol. This low-cost material can be hopefully engaged as a toughened plastic with cocontinuous morphology. Different morphological protocols including Raman imaging are effectively utilized to envisage the effect of blend ratio...
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Friction Resistances in Internal Gear Pump with Modified Sickle Made of Plastic
PublicationThis paper presents modifications of the sickle insert (constructional and material) made in a gear pump with internal meshing. The introduced design change consists in making an incision in the sickle insert. Due to this treatment, the races of the insert are pressed against the apex wheels of the gears. The introduced compensation causes a smaller drop in pump efficiency with increasing discharge pressure. The article describes...
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Agile Media Management Approach – an analysis
PublicationThis article studies media management and demonstrates a fresh perspective on the new approach based on agile methodologies of project management. The analysis sequentially presents a literature overview of media and its management, the characteristics of media projects, agile project management, an analysis of agile approaches and media management along with the proposal of a...
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HAZARDOUS WASTE CONSULTANT
Journals -
TQM tools in crisis management
PublicationThe current article is concerned with basic aspects connected with improvement of crisis management activities employed by economic operators. The work presents the crisis management model with its fundamental phases and identifies TQM tools that might be applied in all of these phases. The analysis included in the work has been supported with research conducted on companies located in northern Poland
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Conceptual design of shore station for an innovative waste collecting vessel
PublicationMarine environment protection legislation in the EU requires ships to return waste they generate on voyages to waste-reception facilities in ports. In many harbors there is a need to expand the port infrastructure to enable the operation of Waste Collecting Vessels (WCVs). In addition, these vessels can perform new functions of cleaning port basins and adjacent waterways. A novelty in the presented research on the conceptual design...
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Crucial factors for improving the ISO 14001 environmental management system
PublicationThe practice of using environmental management systems (EMS) ISO 14001 at the organisational level indicates that the efficacy of such solutions depends on many factors, both endogenous and exogenous in nature. This article aims to identify the fac- tors that determine the opportunities for the improvement of EMS in organisations, the analysis of the relationship between the factors and the classification of the factors due to...
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2021 Construction management, PG_00042225
e-Learning CoursesThe course consists of several topics in the field of construction management: Construction projects, Project management, Risk management, Quality management, Financial Issues and Cash Flow, HR issues and motivation theories, etc.
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Knowledge Risk Management in Organizations
PublicationPurpose – Shorter product life cycles, greater demands from consumers for sustainable and eco-friendly products and services, and thus the need for constant market observation make today’s business environment a rather complex one, the one that is characterized not only by a number of opportunities but also by a number of risks. These risks are increasingly related to knowledge which, in turn, underlines the need for an updated...
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Leveraging food waste for electricity: A low-carbon approach in energy sector for mitigating climate change and achieving net zero emission in Hong Kong (China)
PublicationIn recent years, food waste has been a global concern that contributes to climate change. To deal with the rising impacts of climate change, in Hong Kong, food waste is converted into electricity in the framework of low-carbon approach. This work provides an overview of the conversion of food waste into electricity to achieve carbon neutrality. The production of methane and electricity from waste-to-energy (WTE) conversion are...
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Production Management 2022
e-Learning CoursesThis course is an integral component of the Production Management course for 3rd semester BIM students.The Production Management course will introduce you to the world of manufacturing and its challenges. During our adventure together you will have a chance to get to know, feel and experience it.
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Modelling tunnelling-induced deformation in stiff soils with a hyperelastic–plastic anisotropic model
PublicationIn this paper, the tunnelling-induced deformation in anisotropic stiff soils is analysed using FE modelling. The influence of material description is investigated rather than an advanced simulation of the tunnelling method. A new hyperelastic– plastic model is proposed to describe the anisotropic mechanical behaviour of stiff highly overconsolidated soil. This model can reproduce the superposition of variable stress-induced anisotropy...
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Management and Economics 2022
e-Learning CoursesIntroduction to Management and Economics, Learning by Doing method based upon trends in geopolitics and modern economics frameworks, strategy and Business Models Management Tools SEMESTR II Green Technologies and Monitoring
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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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Diagnostics in ballast water management
Publication. Diagnostics in ballast water management is the main remedy to protect against the threat of spreading invasive species that can be carried in ships' ballast tanks. This phenomenon is getting better known and understood. New and more effective methods of preventing threats related to this are being developed. Procedures are created to ensure environmental safety in the face of ever-increasing transport by sea. The article characterizes...
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Recycling of Waste Rubber by the Manufacturing of Foamed Polyurethane-Based Composites—Current State and Perspectives
PublicationWorn car tires are disruptive waste, and the issue of their management is crucial for the natural environment. In many countries, the primary method of end-of-life tires utilization is energy recovery. However, more effective and beneficial for the environment is material recycling. Using them for the production of polymer-rubber composites seems to be an auspicious direction of research. Incorporation of ground tire rubber into...
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Age management in the Baltic Sea Region
PublicationThis chapter takes a broader view on the issues connected with age management. In its first part, some demographic processes in the European Union countries are described. Those processes contribute to the ageing of the society and an increasing need for age management at various levels. Furthermore, situation in selected Baltic Sea Region countries is presented. In the next section, age management from organizational perspective...
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Service and service decomposition model - theoretical foundation of it service management
PublicationThe publication contains different definitions of Service - one of the fundamental IT Service Management term. It describes types of Service attributes nad introduces so-called ''distinguish functions'' in order to propose different categories of Services. It proposes both general model of Service decomposition and practical model based on CMDB implementation limitations. In summarizes obtained results and gives some remarks about...
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Management Psychology 2022
e-Learning CoursesDuring the Management Psychology course, the focus is placed on how psychological science, research, and knowledge can support management. The course topics include elements pertaining to individual differences, decision-making, leadership, group work, stress management, and more. Course participants have to take a mid-term test and submit the final project at the end of the semester. During our first meeting, you have learned...
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Thermogravimetric analysis/ pyrolysis of used tyres and waste rubber
PublicationThe process of pyrolysis is investigated in this paper. The pyrolysis results of two samples: waste tyres and rubber at different heating rates (10, 20, 50 K/min), were compared. In other experiments the degradation of two pyrolysis products, char and oil was examined. The kinetic study using the thermogravimetry equipment (TG) was done, which allowed determination of the kinetic mechanism of the process. The elemental analysis...
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Knowledge management in SMEs - theoretical considerations.
PublicationThe purpose of this chapter is to present an analysis of knowledge management concept with regard to small and medium-sized enterprises. It is aimed to propose an overview for SMEs to apply this above-mentioned concept. This overview can be used by managers and owners of SMEs to introduce knowledge management into their organizational structures.
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ICT in Management - Spring 2024
e-Learning CoursesICT in Management course for Bachelor in Management students (Spring 2024 edition)
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Road Infrastructure Safety Management in Poland
PublicationThe objective of road safety infrastructure management is to ensure that when roads are planned, designed, built and used road risks can be identified, assessed and mitigated. Road transport safety is significantly less developed than that of rail, water and air transport. The average individual risk of being a fatality in relation to the distance covered is thirty times higher in road transport that in the other modes. This is...
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Knowledge management implementation in small and micro KIBS : A categorization
Publicationhe main goal of the paper is to provide a statistical categorization of small and micro knowledge-intensive business service (KIBS) companies, based on their knowledge management (KM) attitude. Since knowledge is the main production factor and output of these companies, it is essential to achieve a better understanding of how they manage this resource. A questionnaire-based survey was conducted on a sample of Polish small and micro...
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Influence of plastic deformation on stray magnetic field distribution of soft magnetic steel sample
PublicationThe effect of various combinations of conditions, i.e., presence of the Earth’s magnetic field during and after deformation on the distribution of stray magnetic field of S355 steel sample, which is locally deformed, was investigated. Some of the stages of the experiment were carried out in zero magnetic field. Compensation of the Earth’s magnetic field was obtained by the application of a pair of Helmholtz coils. These coils are...
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Bionic relations as features of the author’s original concept of biomorphic plastic forms that belong to a place
PublicationThe article concerns the search for an architectural formula for living organically in the area of Pojezierze Kaszubskie [the Kashubian Lake Dis- trict]. The original project consisted in creating a series of biomorphic plastic forms that belong to the place. In this way, a set of alternative solutions was created in the form of small clay sculptures that account for bionic relationships between the newly created cultural elements...
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Simulation of the IT Service and Project Management Environment
PublicationThe authors of this paper present a simulation of the socio-technical system in which teams of students – regarded as low-maturity organizations – were given a task to utilize the (relatively) mature technologies that support IT project and service management. The experiment consisted of the following phases: teams formation, introduction to technologies used during the simulation, performing a set of reactive and proactive service...
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Anna Baj-Rogowska dr
PeopleAnna Baj-Rogowska is employed as an assistant professor at the Department of Informatics in Management at the Faculty of Management and Economics, Gdańsk University of Technology. Her higher education is connected with the University of Gdańsk, where she graduated from a master's degree in business informatics, doctoral studies and then obtained a PhD degree in economics in management science (Department of Business Informatics...
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Pre-Treatment of Furniture Waste for Smokeless Charcoal Production
PublicationThe aim of this study was to assess the possibility of using furniture waste for smokeless fuel production using the pyrolysis process. Four types of wood-based wastes were used in the pyrolysis process: pine sawdust (PS), chipboard (CB), medium-density fiberboard (MDF), and oriented strand board (OSB). Additionally, the slow and fast types of pyrolysis were compared, where the heating rates were 15 C/min and 100 C/min, respectively....
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Ontology as a Tool for the IT Management Standards Support
PublicationIn this paper the authors discuss the initial idea of using ontologies to model requirements of the standards that support IT management processes. The Open Group Architecture Framework (TOGAF) is set as an example. A need for transition from the generic model do the organization-specific one is indicated. The described example serves as a ground for considering the usefulness of such modeling approach in the wider spectrum of...
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The Influence of the Chemical Composition of Selected Waste Materials from the Production of Copper on the Final Environmental Assessment
PublicationThis article presents qualitative and quantitative analysis of the waste produced by KGHM Polska Miedź. The waste has been analyzed according to its chemical composition and balanced in order to be reused and recycled. Special attention has been paid to mining industries producing the biggest amount of waste and ore enrichment businesses generating waste, which isn’t reused nowadays. Laboratory reseach has been conducted on floatation...
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Generation of vorticity mode by sound in Bingham plastic
PublicationBadanie dotyczy interakcji między modami akustycznymi i nieakustycznymi (tj. mody wirowe) dla klasy płynów nienewtonowskich zwanych płynami Binghama. Zostały wyprowadzone momentalne równania opisujące interakcje między modami. Uwzględnione zostały efekty nieliniowe w polu intensywnego dźwięku. Otrzymane równania opisują dynamikę zarówno akustycznych jak i wirowych modów (i mogą być stosowane zarówno do periodycznych i aperiodycznych...
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Potrzeba wykorzystania narzędzi Enterprise Project Management w przedsiębiorstwie między narodowym - studium przypadku
PublicationW artykule przedstawiono wyniki badań dotyczące projektu wdrożenia narzędzia informatycznego, które usprawni proces planowanie pracy i zarządzanie zasobami w filiach zagranicznych, mającego znamiona systemu Enterprise Project Management - do wspomagania zarządzania projektami. Omówiono zalety oraz wady tego typu rozwiązań w stosunku do tradycyjnych sposobów zarządzania. Wskazano szanse i zagrożenia dla rozwoju przedsiębiorstw wynikające...
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THE CASE OF MANAGEMENT CONCEPTS IN CIVIL AVIATION BUSINESS.
PublicationThe article presents the changes in management concepts used in civil aviation business in last 25 years. There is a need to make prognosis and support decision-making processes with different models but each model is adapted to current management concept. This article will present the changes and possible future trends in management concepts with the description of strengths and weaknesses of each of them. These might be used...
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Implementing Change Management Processes in an Enterprise
PublicationThis work demonstrates how to implement change management processes in a company, based on the suitability of IBM software.
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Cultural dilemmas of international management
PublicationZarządzanie międzynarodowe polega na kierowaniu działalnością przedsiębiorstwa przekraczającą granice państw. Otoczenie międzynarodowe, zwłaszcza wymiar kulturowy odgrywa podstawową rolę w kształtowaniu efektywności umiędzynarodowionego podmiotu. Celem referatu jest przedstawienie problematyki zarządzania międzynarodowego w aspektach kulturowych. Pierwsza część pracy ukazuje obszary zarządzania międzynarodowego. Następnie krótko...
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Zrównoważony rozwój lokalny. Podstawy teoretyczne i działania praktyczne
PublicationRozwój zrównoważony to jedna z koncepcji rozwoju lokalnego. Celem monografii jest prezentacja podstaw tego rozwoju na poziomie lokalnym oraz ukazanie jego przejawów i działań praktycznych w sferach gospodarczej, społecznej i ekologicznej, ze szczególnym uwzględnieniem dwóch wewnętrznych czynników rozwojowych – turystyki i oświaty. W pierwszym rozdziale przedstawiono teoretyczne podstawy rozwoju lokalnego. Omówiono najpowszechniej...
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Economics of credit scoring management
PublicationCredit scoring models constitute an inevitable element of modern risk and profitability management in retail financial lending institutions. Quality,or separation power of a credit scoring model is usually assessed with the Gini coefficient. Generally, the higher Gini coefficient the better, as in this way a bank can increase number of good customers and/or reject more bad applicants. In...
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VII Seminarium „Lean Management w szkołach wyższych”
EventsWydarzenie skierowane jest do wszystkich osób zainteresowanych wdrażaniem podejścia procesowego i Lean Management w szkołach wyższych, w wymiarze praktycznym i teoretycznym.
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Waste materials assessment for phosphorus adsorption toward sustainable application in circular economy
PublicationPhosphorus is the main determinant of nutrient enrichment in the water bodies. Many resources including nutrients may be shortly exhausted, assuming current consumption. This scenario leads to growing interest in resources recovery and/or reuse, which together with sustainable energy consumption and waste reduction are the main courses of the circular economy. Usage of coagulants in wastewater treatment plants (WWTP) does not allow...
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Mapping knowledge risks: towards a better understanding of knowledge management
PublicationThis conceptual paper aims to identify, present, and analyze potential knowledge risks organizations might face. With the growing complexity of organizational environments and the plethora of new knowledge risks emerging, this critical but under-researched field of knowledge management (KM) deserves closer attention. The study is based on a critical analysis of the extant literature devoted to knowledge risks, discusses potential...
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Multimedia in teaching economics and management in higher education.
PublicationNowadays, the use of multimedia teaching materials at universities makes a standard practice. However their saturation is still quite low comparing to the expectations of students - the main consumers of the information contained therein. This article will present the results of research conducted among students of Management and Engineering Management carried at the Technical University of Gdańsk. Some students of Computer Science...
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Information systems management - autumn 2023
e-Learning CoursesInformation Systems in Management for International Management students. Autumn 2023
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Edyta Gołąb-Andrzejak dr hab.
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Valorization of waste cabbage leaves by postharvest photochemical treatments monitored with a non-destructive fluorescence-based sensor
PublicationThe biosynthesis of polyphenolic compounds in cabbage waste, outer green leaves of white head cabbage (Brassica oleracea L. var. capitata subvar. alba), was stimulated by postharvest irradiation with UVB lamps or sunlight. Both treatments boosted the content of kaempferol and quercetin glycosides, especially in the basal leaf zone, as determined by the HPLC analysis of leaf extracts and by a non-destructive optical sensor. The...
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A novel approach to enhance high optically active L-lactate production from food waste by landfill leachate
PublicationThe recycling of food waste (FW) through anaerobic fermentation into lactic acid (LA), with two isomers L-LA and D-LA, aligns with the principles of a bio-based circular economy. However, FW fermentation is often limited by competing pathways, acidification inhibition, and trace metals deficiency. This study investigates the introduction of landfill leachate, containing buffering agents (ammonia) and trace metals, into FW fermentation....
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Salinity enhances high optically active L-lactate production from co-fermentation of food waste and waste activated sludge: Unveiling the response of microbial community shift and functional profiling
PublicationLactic acid (LA), a versatile platform molecule, can be fermented from organic wastes, such as food waste and waste activated sludge. In this study, an efficient approach using salt, a component of food waste as an additive, was proposed to increase LA production. The LA productivity was increased at 10 g NaCl/L and optical pure L-lactate was obtained at 30 g NaCl/L. The enhancement of LA was in accordance with the increased solubilization...