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    Wyświetlanie 1-5 z 5
    Tytuł:
    Global Assessment of Industrial Expansion for Minimizing Environmental Impacts Utilizing the Principles of Mining and Logistics
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Sulovec, Vladimír
    Powiązania:
    https://bibliotekanauki.pl/articles/1811783.pdf
    Data publikacji:
    2019
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    ecological aspects
    remediation-reinstating of slope
    recultivation
    emissions
    environmental impacts
    mining
    logistics
    Opis:
    This article addresses research into the effective expansion of industrial activity, taking into account environmental needs. The aim is to analyse and assess the possibilities for further development of industrial activity in a particular region of Slovakia. The objective of the geological task is to verify 5 million m3 of building stone of category Z-2. In terms of environmental requirements important factors include safety, stability, habitat, logistics and the emissions factor. In terms of further utilization, the emissions factor is particularly important. The emissions factor for drilling, loading, unloading and for aggregate moisture of 0-0.5% is 9.4 g of PM per tonne of aggregate, which for extraction of 300 000 tons per year gives an output of 2 820 kg/year and 1.41 kg/h. The emission factor for primary and secondary aggregate processing with aggregate moisture of 2-3% with application of water spray is 14.6 g of PM per ton of aggregate, giving emissions of 657 kg of PM per year and 0.3285 kg of PM per hour. For the tertiary aggregate processing, at aggregate moisture of 2-3%, the emission factor is 230.2 g of PM per tonne of aggregate, giving emissions of 690.6 kg of PM per year and 0.3453 kg of PM per hour. The total annual emissions are 4 167.6 kg of PM, i.e. 2.0838 kg/h. In order to secure the ecological stability of the land area, it is necessary to respect and protect the elements of the national network of protected areas. The solution for the Hradová quarry is located outside of protected areas. For this reason, no impact on large-scale or small-scale protected areas or protective zones is expected.
    Źródło:
    Rocznik Ochrona Środowiska; 2019, Tom 21, cz. 1; 14-28
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Negative Environmental Impacts of Production Technologies
    Autorzy:
    Besta, Petr
    Janovská, Kamila
    Martínek, Zdeněk
    Švecová, Eva
    Drastich, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/2174930.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    technology
    waste
    environment
    sustainable development
    Opis:
    The current market environment is affected by several fundamental changes. A large number of these affect manufacturing companies the most. They are forced to continuously reduce their costs, improve the quality of service to their customers and adapt to a highly competitive environment. However, environmental requirements for production processes have become increasingly important in recent years. These are underpinned by legislative changes that put enormous pressure on manufacturers. Often, environmental requirements can also determine the economic success of a manufacturer. The areas that have a significant environmental impact include metallurgical technologies. These are currently predominantly based on the use of coke, which is produced from high-quality hard coal. The mining of raw materials also has significant environmental impacts. The article deals with analysing downstream production processes regarding their environmental impact. These are the areas of mining, ore processing and iron and steel production. These areas can be seen as downstream production stages. Iron ore processing and iron and steel production often occur within a single production organisation. Therefore, a possible overall optimisation in handling environmental impacts and treating pollutants can be assumed. The secondary objective of the paper is to analytically assess the potential reuse of the produced waste in production processes. The article is based on the research results carried out in a selected metallurgical enterprise in the Czech Republic.
    Źródło:
    Rocznik Ochrona Środowiska; 2022, 24; 307--325
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Level of Risk and Decision-making in Managing Industrial Activity with the Elimination of Negative Environmental Impacts
    Autorzy:
    Végsöová, Oľga
    Straka, Martin
    Kyšeľa, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/1811590.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    risk
    danger
    threat
    risk analysis
    risk assessment
    Opis:
    This paper focuses on the assessment of the degree of risk in all phases of extraction activities in a selected quarry in the Slovak Republic. The research part of the paper assesses the degree of risk resulting from the assessment of the threat, the probability of the threat and the consequence of an adverse event in extraction activities. The paper offers an important basis for decision-making in quarry management in order to eliminate the negative consequences of andesite mining on the environment, equipment and people. The extraction activity in the Kecerovský Lipovec quarry is assessed by this paper as low risk for two phases of extraction, specifically the preparation phase, and the extraction itself. The paper also highlights the importance of taking measures. Regarding the safety criteria in the Kecerovský Lipovec quarry, it is possible, based on the results of the analysis and evaluation, to consider the quarry to be safe. However, a condition for this is the necessary expert training of workers in all activities performed while working in the quarry. Here, the need for personnel to strictly adhere to the set standards for extraction activities is of prime importance. This finding confirms the above that the aim of diagnosing and naming the potential for adverse events in the extraction process must be to minimize risks, as their absolute exclusion is not possible due to the human factor and unforeseeable circumstances.
    Źródło:
    Rocznik Ochrona Środowiska; 2020, Tom 22, cz. 1; 130-143
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the Physicochemical Quality of Water Within the Hydropower Plant on the Ślęza River in Wrocław, Poland
    Autorzy:
    Tomczyk, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/2069885.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    water quality
    hydropower plants
    environmental impacts
    renewable energy sources
    Water Framework Directive
    Opis:
    The aim of the article was the analysis of the physicochemical quality of water within the hydropower plant on the Ślęza River in Wrocław (south-west Poland) in the context of the European Union's classification of water quality, as well as an assessment of the potential impact of hydropower plants on this quality. The study uses the results of monthly tests from three measurement points within the hydropower plant on the Ślęza River in the city of Wrocław (points upstream and downstream the hydropower plant and the reference point), from the period June 2018 to May 2020. The analyses covered 10 physicochemical parameters, i.e.: pH, electrical conductivity (EC), water temperature, turbidity, NH4-N, NO3-N, NO2- N, total phosphorus, dissolved oxygen and BOD5. The conducted analysis showed that the hydropower plant has no clear influence on the physicochemical quality of the water in the Ślęza River, other interactions present in the catchment area are more important. From the effects visible in the results, a decrease in the amplitudes of water temperature downstream the hydropower plant compared to the other points was noted, as well as a lower median of its value (statistically significant changes). An additional noticeable effect was the increase in water oxygenation below the damming, but it was not statistically significant. It has been shown that the physicochemical condition of water at the tested points does not meet the assumed standards for 8 out of 9 parameters (except for water temperature). The largest exceedances of the limit values concerned NO2-N (up to 923% of the norm), and the most consistent, almost constantly occurring – EC (23 out of 24 months). The reason for the high NO2-N content was most probably surface runoff from the fields and the re-suspension of sediments rich in nutrients, while in the case of EC, its high values result from the specificity of the catchment area.
    Źródło:
    Rocznik Ochrona Środowiska; 2021, 23; 795--810
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal Impacts of Vertical Greenery Systems in the Conditions of Lower Silesia
    Termika pionowych systemów roślinnych w warunkach Dolnego Śląska
    Autorzy:
    Skarżyński, D.
    Pęczkowski, G.
    Pływaczyk, A.
    Szawernoga, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1813772.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Koszalińska. Wydawnictwo Uczelniane
    Tematy:
    green walls
    insulation efficiency
    temperature reduction
    efficiency of plant systems
    roślinne ściany
    sprawność izolacyjna
    redukcja temperatury
    wydajność systemów roślinnych
    Opis:
    The formation of thermal relations in the systems of the plant walls was assessed on the basis of field studies conducted in 2009-2012 at an experimental facility located in Wrocław. The original experimental models were made in the form of free-standing structures - wooden houses with dimensions of 1.5 x 1.5 x 2.0 m and plant panels with an area of 1 m2. The work compared the retention model with the substrate and the economic one with the subsurface irrigation mat to the reference model without vegetation. Analysis of the temperature distribution during 24 hours in the summer half-year at exposures of the retention model, economic model and reference model showed that during the night hours the temperature of the walls and surroundings was similar. During the day, the highest temperature occurred at the southern exposure on the reference model without plants, surpassing the average air temperature. On both models with plant panels, significantly lower temperatures were recorded on all facades during the day compared to the air temperature and temperatures on the reference model. Depending on the model's exposure, the average temperature reduction on the wall surface of the model with substrate during the day was 2.1-4.0°C, and the maximum 8.7-17.0°C. On the construction with the subsurface irrigation mat, obtained the result of reduction of the average temperature on the wall surface in the range of 1.4-3.1°C and the maximum during the day of 5.9-11.7°C. Comparison of the insulating efficiency of plant walls showed that in the local climatic conditions in Wrocław the best insulating properties were obtained by plant panels with a substrate. The analysis of maximum temperature reduction in models with vegetation and the control surface showed the possibility of the temperature limitation within 21-47% depending on the exposure and the type of applied system.
    Kształtowanie się stosunków termicznych w systemach roślinnych ścian oceniono na podstawie badań terenowych prowadzonych w latach 2009-2012, na obiekcie doświadczalnym zlokalizowanym we Wrocławiu. Autorskie modele doświadczalne wykonano w formie wolnostojących konstrukcji – domków drewnianych o wymiarach 1,5 x 1,5 x 2,0 m oraz paneli roślinnych o powierzchni 1 m2. W pracy porównano model retencyjny z substratem i ekonomiczny z matą podsiąkową względem modelu referencyjnego bez roślinności. Analiza rozkładu temperatur w ciągu doby w okresie półrocza letniego na wystawach modelu retencyjnego, ekonomicznego i referencyjnego wykazała, że w godzinach nocnych temperatura ścian i otoczenia była zbliżona. W ciągu dnia najwyższa temperatura występowała na wystawie południowej na modelu referencyjnym bez roślin, przewyższając średnią temperaturę powietrza. Na obydwu modelach z panelami roślinnymi odnotowano znacznie niższe temperatury na wszystkich elewacjach w ciągu dnia w porównaniu z temperaturą powietrza oraz temperaturami na modelu referencyjnym. W zależności od wystawy modelu średnia redukcja temperatury na powierzchni ściany modelu z substratem w ciągu dnia wyniosła 2,1-4,0°C, a maksymalna 8,7-16,0°C. Na konstrukcji z matą podsiąkową uzyskano wynik redukcji średniej temperatury na powierzchni ściany w przedziale 1,4-3,1°C i maksymalnej w ciągu dnia wynoszącej 5,9-11,7°C. Porównanie sprawności izolacyjnej roślinnych ścian wykazało, że w lokalnych warunkach klimatycznych Wrocławia najlepsze właściwości izolacyjne uzyskały panele roślinne z substratem. Analiza maksymalnej redukcji temperatur w modelach z roślinnością oraz powierzchnią kontrolną wykazała możliwość ograniczenia temperatur w granicach 21-47% w zależności od wystawy i zastosowanego systemu.
    Źródło:
    Rocznik Ochrona Środowiska; 2018, Tom 20, cz. 2; 989-1006
    1506-218X
    Pojawia się w:
    Rocznik Ochrona Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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