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    Wyświetlanie 1-8 z 8
    Tytuł:
    Rationalisation of the Functioning of Vehicle Recycling
    Autorzy:
    Zajac, Paweł
    Ejdys, Stanisław
    Balicki, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/30145701.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    recycling
    waste
    environmental protection
    management
    Opis:
    Includes the identification and analysis of the vehicle recycling system using the example of buses in consideration of economic and business issues in Poland, specialising in the collection of cars/buses, their dismantling, segregation of materials and secondary use (recycling), given the regulatory changes proposed by the EU. The operations listed are interrelated. Reusing materials identical to their original purpose (including reuse of steel for car bodies) and assemblies from end-of-life vehicles (after possible reconditioning) can be applied as spare parts for repairs, subject to the observance of certain rules and the law. Life extension activities contribute to reducing the amount of waste sent to landfills. The paper presents a case for dismantling a bus.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 329-341
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Product Life Cycle Assessment (LCA) as a Tool for Environmental Management
    Autorzy:
    Bajdur, Wioletta
    Zielińska, Anetta
    Gronba-Chyła, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/31232598.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    environmental management
    product life cycle assessment
    company marketing
    Opis:
    Life Cycle Assessment, included in company environmental management methods, has particular importance in marketing management. Analysis of dangers to the environment through tools such as the LCA method allows for comparisons of alternative company management strategies. LCA is characterised as a technique for environmental management that enables environmental impact assessment of the product, process, industry, and even the comprehensive economic sector. LCA also influences decisions regarding environmental policy modification, but most importantly, it influences a company's marketing activities. The LCA technique is applied the world over with great effectiveness in studying specific phases of a product's life cycles – from 'birth to death'; however, Poland's experience in this domain constitutes continuously developing research areas. The experience of foreign research centres confirms the possibility of applying LCA techniques in supporting environmental risk assessment of innovative technologies where LCA is used to study the environmental impact of a new generation product, i.e. flocculants from polymer wastes. This article presents the results of a study of the effectiveness of applying a new generation of polyelectrolyte (gained from polystyrene waste) in treating industrial wastewater and the LCA environmental impact assessment, which was carried out using SimaPro software. Based on the analysis of the results of the application of sodium salts of sulfone derivatives of polystyrene in the treatment of mine water, it was found that these products significantly reduced the pollution indicators of mine water from KWK1. Accordingly, they provided the basis for the development of technical-scale technology.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 389-398
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of New Polymer Flocculants in Industrial Wastewater Treatment
    Autorzy:
    Popenda, Agnieszka
    Bajdur, Wioletta
    Powiązania:
    https://bibliotekanauki.pl/articles/30145699.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    industrial wastewater
    chemical treatment of wastewater
    acrylamide polymers
    flocculants
    polystyrene sulphonic derivatives
    Opis:
    Polymer flocculants are used in wastewater treatment processes, and the necessity and universality of their use result from changes in production technologies, also causing variability in the parameters of treated wastewater. Industrial wastewater contains a substrate that is difficult to biodegrade (BOD5/COD < 0.02), and the presence of toxic compounds makes it necessary to treat them in many stages before discharging them to the receiver or reusing. The study aimed to assess the possibility of using a new generation flocculent to support coagulation. The research was conducted on mine water originating from hard coal mines and on treated coke wastewater from the biological sewage treatment plant. The synthesis of copolymers of acrylamide with acrylic acid and acrylamide with acrylonitrile allowed the extraction of effective products – flocculents with specific properties, supporting the coagulation process and reducing the parameters of contaminants in treated industrial wastewater. Compared to commercial polyelectrolyte Praestol, copolymers of acrylamide with acrylic acid removed turbidity more effectively than acrylamide-acrylonitrile copolymers.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 383-388
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of Infrared Imaging Techniques to Investigate Thermal Losses of Flat Plate Solar Collectors
    Autorzy:
    Znaczko, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/30145702.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    infrared imaging
    solar collector
    thermal losses
    radiation
    environmental protection
    Opis:
    The paper presents ways to use advanced infrared imaging techniques to study and analyze the thermal losses of a flat plate solar collector. The techniques allowed us to precisely locate and measure areas where unwanted thermal losses occurred on the surface of the collectors studied. The study showed that these losses have a key impact on the energy efficiency of these devices. It was found that using the proposed methodology allows not only the detection of defects in existing structures but also the optimization of the design process of new technical solutions. The temperature of the working medium has a significant effect on heat losses on all analyzed surfaces. However, the influence of the medium flow varies depending on the specific surface. The conclusions of the research suggest that infrared imaging is a valuable tool in developing solar thermal systems, contributing to the reliability and efficiency of these systems. The technique is an important step toward sustainable and economical use of solar energy. Increasing the efficiency of the equipment used to carry out the photothermal conversion process will allow more efficient use of available renewable energy sources. It will have a positive impact on environmental protection.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 342-356
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rationalisation of Costs in the Collection, Segregation and Transport of Municipal Waste
    Autorzy:
    Zając, Paweł
    Bajor, Ivona
    Obrecht, Matevž
    Ejdys, Stanisław
    Powiązania:
    https://bibliotekanauki.pl/articles/30145703.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    waste
    mixed
    sorting
    fee
    management
    Opis:
    The article contains answers to three "why" questions: - why the waste management system still does not bring the expected results, and the Polish state is one of the lowest-ranking in the European score regarding the amount of segregated waste; - why the sale of selected secondary raw materials and their material reuse in production processes do not cover the costs related to waste management; - why it does not bring additional profits. The article is based on research conducted in Wroclaw from 1998 to 2018. There is a cost model that can be adapted to similar cases. The article deals with removing organisational and/or technical reasons causing the stagnation of selective waste collection.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 312-328
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microplastics from Plastic Waste as a Limitation of Sustainability of the Environment
    Autorzy:
    Grąz, Katarzyna
    Generowicz, Agnieszka
    Kwaśny, Justyna
    Gronba-Chyła, Anna
    Kwaśnicki, Paweł
    Ciuła, Józef
    Łapiński, Jacek
    Bajdur, Wioletta
    Powiązania:
    https://bibliotekanauki.pl/articles/30145698.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    nanoparticles
    waste plastics
    DLS
    secondary plastic
    Opis:
    The massive emergence of plastics has contributed to their widespread use in everyday life. Unfortunately, the lack of appropriate technologies for processing these materials has contributed to environmental pollution by plastic particles. This study investigated the possibility of obtaining nanoparticles from selected plastics such as polyethylene and polyethylene terephthalate. Polyethylene was obtained from plastic bag waste, and polyethylene terephthalate was from crushed plastic bottles of mineral water. The first stage of nanoparticle production was to grind the collected used plastic waste, i.e., plastic bags and plastic bottles, to the smallest possible size using a cutting mill. Next, the waste was ground in a planetary-ball mill and then homogenised in a homogeniser. The particle size distribution of the obtained particles for selected waste plastics was examined using the Dynamic Light Scattering (DLS) method. The objective of the work was achieved – as a result of the performed procedures, nanoparticles of waste plastics were obtained. The following average sizes for particular materials were obtained: plastic bottles (PET) 212.81 nm, plastic bags (PE) 208.14 nm, and smaller particles, e.g. 27.74 nm.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 367-373
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk Management Model in ISO-standards as the Implementation of Environmental Safety for Housing Construction
    Autorzy:
    Smirnova, Elena
    Larionov, Arkadij
    Shkarovskiy, Alexander
    Powiązania:
    https://bibliotekanauki.pl/articles/30145704.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ecological risk
    environmental management
    environmental safety
    housing construction
    risk assessment
    risk management model
    safety standards
    Opis:
    The authors analyse the standardisation of risk management as an effective tool for the safety of design solutions in residential construction. The analysed regulatory documentation answers the question of achieving an acceptable level of risk. Within the framework of improving environmental management, the use of specific penalties looks quite natural. However, the primary purpose of ISO 14001 is to form a responsible attitude toward the environment and natural resources as the most crucial assets of economic activity. The article raises the issue that domestic standards cannot thoroughly guide risk analysts due to their lack of development and inconsistency with ISO 31000:2018 and ISO 14001:2016. It is necessary to develop a unique approach to risk assessment, de facto describing the interaction of different scenarios, which will ensure an increase in the environmental and economic effects in the field of housing safety.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 282-288
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Two-dimensional Numerical Model of Heat Exchange in the Soil Massif During the Operation of a Shallow Horizontal Soil Heat Exchanger
    Autorzy:
    Basok, Boris
    Pavlenko, Anatoliy
    Nedbailo, Oleksandr
    Bozhko, Ihor
    Moroz, Maryna
    Powiązania:
    https://bibliotekanauki.pl/articles/30145705.pdf
    Data publikacji:
    2023
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    shallow horizontal soil heat exchanger
    heat flux
    numerical modelling
    renewable energy sources
    Opis:
    The current article uses a two-dimensional numerical model to represent the results of theoretical studies of the heat exchange in the soil massif during the operation of a shallow horizontal soil heat exchanger. The analysis of literature sources showed that one of the important conditions for the effective operation of a shallow-soil heat exchange is its rational design parameters, such as the total length of the pipeline, the diameter of the pipe, the distance between the axis of the adjacent pipes, the depth of the heat exchanger placement, etc. A two-dimensional heat exchange model in the soil mass was developed, which made it possible to investigate the operation of a shallow horizontal soil heat exchanger. It was found that the step between the axis of the adjacent pipes of the multi-loop heat exchanger, which is 0.95 m, is optimal when creating a shallow horizontal soil heat exchanger in the soil conditions of Kyiv.
    Źródło:
    Rocznik Ochrona Środowiska; 2023, 25; 274-281
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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