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    Wyświetlanie 1-15 z 15
    Tytuł:
    Energetic evaluation of process gases in internal combustion engine
    Energetyczna ocena gazów procesowych w silniku spalinowym
    Autorzy:
    Poloni, M.
    Chribik, A.
    Lach, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/198233.pdf
    Data publikacji:
    2012
    Wydawca:
    Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
    Tematy:
    alternative fuels
    hydrogen
    natural gas
    process gases
    SI engine
    paliwa alternatywne
    wodór
    gaz ziemny
    gaz procesowy
    silnik spalinowy
    Opis:
    Process gases produced from renewable energy sources (RES) are a sustainable source of alternative fuels that can be utilised in internal combustion engines. The presented article points to the possibility of using them to power cogeneration units, introducing specific example of their applications for the engine of a micro-cogeneration unit.
    Gazy procesowe produkowane z odnawialnych źródeł energii (OŹE) stanowią trwałe źródło paliw alternatywnych, które można energetycznie ocenić w silnikach spalinowych. Przedstawiony artykuł wskazuje możliwości ich zastosowania w napędzie jednostek ko generacyjnych, z konkretnym przykładem ich zastosowania w silniku jednostki mikrogeneracyjnej.
    Źródło:
    Zeszyty Naukowe. Transport / Politechnika Śląska; 2012, 76; 99-104
    0209-3324
    2450-1549
    Pojawia się w:
    Zeszyty Naukowe. Transport / Politechnika Śląska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of biofiltration process to remove malodorous gases from the wastewater treatment plant
    Autorzy:
    Pieklarz, K.
    Zawadzka, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/105838.pdf
    Data publikacji:
    2018
    Wydawca:
    Centrum Badań i Innowacji Pro-Akademia
    Tematy:
    biofiltration process
    biofilter
    microorganisms
    malodorous gases
    wastewater treatment plant
    biofiltracja
    biofiltr
    mikroorganizmy
    gazy złowonne
    oczyszczalnia ścieków
    Opis:
    Odorous substances emitted to ambient air from wastewater treatment plants cause a serious nuisance to inhabitants in the direct vicinity of such emitters. The solutions currently used to remove malodorous gases in the Wastewater Treatment Plant in Belchatow do not fulfill their function properly. This article presents the test results of the composition and concentrations of odorous compounds emitted from the abovementioned plant. In addition, the paper introduces the concept of eliminating substances by the biofiltration process. Due to the applied method, one can expect to reduce the odor by at least 90%.
    Źródło:
    Acta Innovations; 2018, 26; 53-61
    2300-5599
    Pojawia się w:
    Acta Innovations
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electron beam flue gas treatment process for purification of exhaust gases with high SO2 concentrations
    Autorzy:
    Chmielewski, A. G.
    Licki, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/146442.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    high sulphur fossil fuel
    flue gas
    electron accelerator
    SO2 and NOx removal efficiency
    absorbed dose
    by-product
    Opis:
    Exhaust gases with high SO2 concentrations are emitted from combustion of high sulphur fossil fuels and from different industrial processes (e.g. copper smelter and sintering plants). The application of the electron beam process for SO2 and NOx removal from such flue gases was investigated. A parametric study was carried out to determine the SO2 and NOx removal efficiency as a function of temperature and humidity of irradiated gases, absorbed dose and ammonia stoichiometry. The efficiency 90–95% of SO2 removal was obtained in the optimal treatment conditions with an inlet SO2 concentration of up to 15% vol. The synergistic effect of high SO2 content on NOx removal was indicated. The collected by-product was a mixture of ammonium sulphate and nitrate. The content of heavy metals in the by- -products was many times lower than the values accepted for commercial fertilizers.
    Źródło:
    Nukleonika; 2008, 53, suppl. 2; 61-66
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the possibilities to achieve adiabatization process of combustion surrounded by inactive gases in Rapid Compression Machine
    Autorzy:
    Cieślik, W.
    Pielecha, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/134132.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    exhaust gas recirculation
    inactive gases
    combustion fuels
    recyrkulacja spalin
    nieaktywne gazy
    spalanie paliw
    Opis:
    In this work non-combustible gases impact on combustion processes studies is performed. Research was performed in a optically accessible rapid compression machine (RCM) under spark ignition engine conditions. The distribution of the swirl charge in the relation to adopted for analysis sequence of gas delivery to the chamber was varied with regard to the main injection. Authors investigate the influence of these sequence on the combustion and the ignition delay of the main injection and the overall combustion characteristics. The aim of this work is the experimental recognition of possibilities of creating combustible mixtures of light hydrocarbon fuels surrounded by non-combustible gases affecting the function of the inhibitor. Specifying the ability of preparation and combustion of mixtures in such systems enables the scientifl analysis of adiabatization of the combustion process of fuel-air mixtures in the operating chambers. Theoretical analysis of the issues indicates possibility of obtaining such a stratification of the charge, that the inactive exhaust gases creating the outer ring surround the combustible mixture inside in such a way as to reduce the amount of heat exchanged between the working medium and the walls of the cylinder.
    Źródło:
    Combustion Engines; 2017, 56, 1; 27-31
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of a Carbon Dioxide Measurement System to Control the Process of Obtaining Breathing Air for Hyperbaric Oxygen Conditions
    Autorzy:
    Woźniak, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2098007.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
    Tematy:
    process capability
    diving breathing air quality
    diving gases
    measurement systems
    process variation
    carbon dioxide elimination
    Opis:
    Maintaining a stable carbon dioxide content in the process of producing breathing air is important both for the safety of divers performing underwater work and for avoiding financial losses resulting from poor product quality. This paper deals with the implementation of safety measurement systems for online control of the breathing air production process. On the basis of a qualified control system, the capability of the rationalised process was assessed, identifying both its current status and its potential for improvement in terms of eliminating defects caused by excessive carbon dioxide content. For process reasons, the effectiveness of online process monitoring was evaluated against the previously used periodic sample control by means of laboratory methods of instrumental analysis. The analysis was conducted at KTPP AMW1 for the compressed air supply system of the DGKN - 1202 complex.
    Źródło:
    Polish Hyperbaric Research; 2020, 4(74); 7--26
    1734-7009
    2084-0535
    Pojawia się w:
    Polish Hyperbaric Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Organic pollutant removal from marine diesel engine off-gases under electron beam and hybrid electron beam and wet scrubbing process
    Autorzy:
    Sun, Yongxia
    Chmielewski, Andrzej G.
    Pawelec, Andrzej
    Mattausch, Gösta
    Torims, Toms
    Powiązania:
    https://bibliotekanauki.pl/articles/2055683.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    electron beam
    marine diesel engine
    off-gases
    organic pollutants
    VOC
    wet scrubber
    Opis:
    The removal of organic pollutants from ship emission was studied using two processes namely electron beam (EB) and hybrid EB with wet scrubbing process. A mobile accelerator unit was used to treat 4915 Nm3 /h of flue gas emitted from a tugboat in Riga Shipyard. A volume of 3 m3 seawater containing 36.8 mM of NaClO2 oxidant was used as a wet scrubber solution. Organic pollutants, mainly volatile organic pollutants (VOCs), were collected at three different sampling points, before and after irradiation vessels, and after wet-scrubber unit, respectively. They were collected with glass sampling bottles, tedlar bags, Coconut Shell Charcoal (CSC) sorbents and XAD-2 sorbents. CH3OH and CH3OH/CH2Cl2 (1:1) were used to extract VOCs from CSC and XAD-2 sorbents, respectively. Syringe filters were used to obtain the solid-free extraction solutions. They were concentrated using a micro-extractor under continuously blowing high-purity Ar. A gas chromatography–mass spectrometry (GC-MS) was used for analysis. The identified organic compounds were: aliphatic hydrocarbons (dodecane C12H26 to eicosane C20H42), aromatic hydrocarbon (toluene), esters (C3H7COOCH3, (C4H9OCO)2C6H4), nitro compounds (C3H5NO3, C4H7NO2) and acid (C7H15COOH). After 4.2 kGy EB irradiation, around 50–100% aliphatic hydrocarbons, 83% toluene and 7.5% (C4H9OCO)2C6H4 were removed from the off-gases, and after EB hybrid wet-scrubber process, most organic compounds including nitro compounds were removed. Only trace amount of toluene, hexadecane, octadecane and dibutyl phthalate were found to be present in the gas phase.
    Źródło:
    Nukleonika; 2021, 66, 4; 193--199
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selected Parameters of Micro-Jet Cooling Gases in Hybrid Spraying Process
    Autorzy:
    Szczucka-Lasota, B.
    Węgrzyn, T.
    Stanik, Z.
    Piwnik, J.
    Sidun, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/352250.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    hybrid system
    thermal spraying
    type of cooling stream
    Opis:
    The innovative technology, like thermal spraying with a micro-jet cooling is one of the important modification of classical ultrasonic spraying methods. Using of micro-stream with gases like argon or nitrogen allows to cool the coating immediately after spraying, and thereby reduce the time of transition during the injection of each layer. As a result of the process, the fine dispersive structure of coatings is obtained during the shorter time in comparable to the classical high velocity oxygen fuel process (HVOF). The parameter of process and the type of stream equipment determine the quality of the obtained structure and thermal stress in the coating. The article presents the relationship between selected parameters of hybrid process and properties of the coatings. The presented technology should be adapted to the actual production of protective coating for machines and construction working in wear conditions.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 2A; 621-624
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Model of CO emission level of exhaust gases in tractor engines fed with biofuels
    Autorzy:
    Wawrzosek, J.
    Piekarski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/24894.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    degradation process
    natural environment
    agricultural tractor
    carbon oxide
    emission level
    gas
    biofuel
    carbon monoxide
    rapeseed methyl ester
    Źródło:
    International Agrophysics; 2006, 20, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reduction emission level of harmful components exhaust gases by means of control of parameters influencing on spraying process of biofuel components for aircraft engines
    Autorzy:
    Jankowski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/245547.pdf
    Data publikacji:
    2011
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    transport
    aircraft engines
    alternative fuels
    fuel atomization
    exhaust gas emissions
    Opis:
    The aim of the research is to test the fuel additives which decrease dimensions of atomised fuel drops, by applying changes to the specific parameters which impact the atomisation process. Those parameters include density, surface tension, viscosity and the viscosity index. Dimensions of drops of biofuels are much bigger compared to hydrocarbon fuels. By modifying the physical and chemical parameters of biofuels, dimensions of drops in an atomised fuel stream should become smaller. Those dimensions play a major role for the level of emissions of hydrocarbon and carbon monoxide, as well as mainly nitrogen oxides and particulates. The research on emissions of toxic components of fuel is relatively advanced today in the field of piston combustion engines, especially for use in car vehicles. However, the dynamic development of the air transport brings more pressure on the issue of toxic emissions in the case of aircraft engines. The level of toxic emissions from aircraft engines may be from ten up to even several thousand times greater than the level of emissions from piston engines. The issue of how biofuel additives can affect the process of fuel atomisation and thus enable the control over the atomisation to obtain the smallest possible drops leading to reduced nitrogen oxides emissions is a new and original issue. The reduced nitrogen oxides emissions in the case of biofuels is of utmost significance because, according to latest knowledge, those levels are increasing.
    Źródło:
    Journal of KONES; 2011, 18, 3; 129-134
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of emission and reduction of greenhouse gases from upstream petrochemical industry in Thailand
    Autorzy:
    Kanchanapiya, P.
    Julapun, N.
    Limphitakphong, N.
    Pharino, C.
    Chavanparit, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/207793.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    greenhouse gases
    aromatic compounds
    energy conservation
    energy utilization
    fuel economy
    fuels
    olefins
    petrochemical plant
    petrochemicals
    petrochemical industry
    production process
    gazy cieplarniane
    związki aromatyczne
    oszczędzanie energii
    wykorzystanie energii
    zużycie paliwa
    paliwa
    olefiny
    zakłady petrochemiczne
    petrochemia
    przemysł petrochemiczny
    proces produkcji
    Opis:
    The study aimed to determine the baseline and indicators for the emission of greenhouse gases (GHG) and to evaluate the effectiveness of GHG mitigation measures in Thai upstream petrochemical plants. During 2005–2010, the upstream production had an annual demand for energy in the range of 110 000–150 000 TJ, ca. 5–6% of the total Thailand energy consumption. The proportion of energy consumption for producing olefin and aromatic products is 73 and 14%, respectively. The amount of GHG emissions equalled approximately 7–9 Mt CO2 eq. This represents a 3% portion of the total GHG emissions of Thailand, separating into the olefin and aromatic products, around 69 and 18%, respectively. The ratios of GHG emission came from fuel combustion of 59%, steam consumption (28%), electricity consumption (10%) and flare (3%). The carbon intensity of upstream products in the olefins and aromatics’ groups had the range of 1.125–1.309 and 0.518–0.667 t CO2 eq/t, respectively. It was likely that the carbon intensity during the period of 2005–2010 was lowered as the industry sector took measures to improve energy conservation and developed their production processes. The GHG mitigation measures by energy conservation were already implemented including fuel saving (67%), steam saving (23%) and electricity saving (10%).
    Źródło:
    Environment Protection Engineering; 2015, 41, 2; 31-46
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gas turbine direct exhaust gas integration in process industry – review of applications and opportunities for polish market
    Autorzy:
    Cichocki, Marek
    Salamonik, Ilona
    Bielecki, Marcin
    Fadlun, Ever
    Rusowicz, Artur
    Powiązania:
    https://bibliotekanauki.pl/articles/111073.pdf
    Data publikacji:
    2020
    Wydawca:
    Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
    Tematy:
    turbine exhaust gases
    gas turbines
    utilization
    direct drying
    cooling
    heating
    Opis:
    The typical combined heat and power plants requires the introduction of additional heating medium. The alternative solution is the direct integration of the exhaust gases from heat engine. The high temperature, surplus oxygen and low water content of the GTs exhaust gases enabled the successful integration at industrial scale as: preheated combustion air for industrial furnaces, heat source for drying and for absorption chillers. The article comprises the reference list for direct exhaust gas integration of GTs produced by GE, the processes overview, GTs selection criteria, as well as the review of documented GTs applications in process industry focusing on technical and economic considerations. The described solutions allowed to reduce the specific energy consumption in the range from 7 to 20% or the costs of energy consumption by 15-30%. The overall efficiency of cogeneration plant above 90% was achieved. The preliminary assessment of potential applications for GTs produced by GE with TEG integration in Polish process industry is done.
    Źródło:
    Inżynieria Bezpieczeństwa Obiektów Antropogenicznych; 2020, 1; 1-18
    2450-1859
    2450-8721
    Pojawia się w:
    Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantitative analysis of reaction gases or exhaust using an online process mass spectrometer
    Autorzy:
    Wei, Fu-Qiang
    Huang, Ze-Jian
    Jian, You
    Dai, Xin-Hua
    Fang, Xiang
    Jin, Shang-Zhong
    Powiązania:
    https://bibliotekanauki.pl/articles/27311738.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    online quantitative analysis
    mass spectrometers
    mathematical models
    monitoring
    Opis:
    Online quantitative analysis of reaction gases or exhaust in industrial production is of great significance to improve the production capacity and process. A novel method is developed for the online quantitative analysis of reaction gases or exhaust using quantitative mathematical models combined with the linear regression algorithm of machine learning. After accurately estimating the component gases and their contents in the reaction gases or exhaust, a ratio matrix is constructed to separate the relevant overlapping peaks. The ratio and calibration standard gases are detected, filtered, normalized, and linearly regressed with an online process mass spectrometer to correct the ratio matrices and obtain the relative sensitivity matrices. A quantitative mathematical model can be established to obtain the content of each component of the reaction gases or exhaust in real time. The maximum quantification error and relative standard deviation of the method are within 0.3% and 1%, after online quantification of the representative yeast fermenter tail gas.
    Źródło:
    Metrology and Measurement Systems; 2023, 30, 2; 337--351
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Polish perspective on process emissions in the steel sector
    Polski pogląd na emisje procesowe w sektorze stalowym
    Autorzy:
    Niesler, M.
    Szulc, W.
    Stecko, J.
    Zdonek, B.
    Borecki, M.
    Różański, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/182240.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Metalurgii Żelaza im. Stanisława Staszica
    Tematy:
    process emission
    greenhouse gases
    sintering
    blast furnace
    basic oxygen furnace
    electric arc furnace
    emisja procesowa
    gazy cieplarniane
    spiekanie
    wielki piec
    konwertor tlenowy
    łukowy piec elektryczny
    Opis:
    Segmentation of greenhouse gas emission into fuel combustion emissions and process emissions is very important in energy-intensive industries, including the steel sector. The ratio of process emissions to emissions from fuel combustion is different in various industries, e.g. in the cement industry is 60:40 (no data for the steel sector). A common feature of all energy-intensive industries are very limited opportunities to reduce process emissions. Most often, this would require the development of entirely new processes. Another solution could be the method of capturing and storage carbon dioxide underground (CCS), but for various reasons, including social, this technology does not develop too intensively towards the creation of practical possibilities of its use. Therefore, it seems advisable to accurately separate process emissions and fuel combustion emissions in each production process of energy intensive industries and to make efforts so that these emissions are excluded from the EU Emissions Trading Scheme (ETS). Currently, benchmarks set by the European Commission define the total emission cap, and the share of emissions from the combustion of fuels is determined based on gas combustion, which further deteriorates the competitiveness of these industries, the functioning of which is based on the combustion of coal, as the steel sector in Poland. In many manufacturing processes reactions of carbon with oxygen are triggered not in order to produce energy required in the process (fuel emission), but are the result of chemical reactions necessary to obtain the required physico-chemical semi-finished products or products (process emissions) – e.g. calcium carbonate decomposition during sintering of iron ore. The paper presents the results of analyses that are fundamental to making efforts to exclude process emissions from the EU ETS and cover the identification of the issue and the justification for exclusion. In the steel sector, the most promising in this area are the following processes: sintering, blast furnace, BOF and steel melting in an electric arc furnace. Other energy-intensive industries, such as industrial energy, heating, non-ferrous metals, chemicals, cement, glass and lime, also conducts similar analyses, and the consolidated results will be the subject of a request to the European Commission.
    Podział emisji gazów cieplarnianych na emisje ze spalania paliw i emisje procesowe jest bardzo ważny w energochłonnych gałęziach przemysłu, w tym w sektorze stalowym. Stosunek emisji procesowych do emisji ze spalania paliw jest różna w różnych gałęziach przemysłu, np. w przemyśle cementowym wynosi 60:40 (brak danych dla sektora stalowego). Wspólną cechą wszystkich energochłonnych gałęzi przemysłu są bardzo ograniczone możliwości redukcji emisji procesowych. Najczęściej wymagałoby to opracowania zupełnie nowych technologii. Innym rozwiązaniem mogłaby być metoda wychwytywania i składowania dwutlenku węgla pod ziemią (CCS), ale z różnych powodów, w tym społecznych, ta technologia nie rozwija się zbyt intensywnie w kierunku stworzenia praktycznych możliwości jej wykorzystania. Dlatego też wydaje się wskazane dokładne rozdzielanie emisji procesowych i emisji ze spalania paliwa w każdym procesie produkcji w energochłonnych gałęziach przemysłu i podejmowania działań na rzecz wyłączenia tych emisji z systemu handlu uprawnieniami do emisji (tzw. ETS). Obecnie kryteria określone przez Komisję Europejską określają całkowity limit emisji, a udział emisji ze spalania paliw jest ustalany w oparciu o spalanie gazu, co dodatkowo pogarsza konkurencyjność tych gałęzi przemysłu, których funkcjonowanie opiera się na spalaniu węgla, jak sektor stalowy w Polsce. W wielu procesach produkcyjnych reakcje węgla z tlenem są przeprowadzane nie w celu wytworzenia energii potrzebnej w procesie (emisje ze spalania paliw), ale są wynikiem reakcji chemicznych niezbędnych do uzyskania półproduktów lub produktów o określonych wymaganiach fizyko-chemicznych (emisje procesowe) – np. rozkład węglanu wapnia podczas spiekania rudy żelaza. W artykule przedstawiono wyniki analiz, które mają fundamentalne znaczenie dla dołożenia starań, aby wykluczyć emisje procesowe z EU ETS, pokazać skalę zagadnienia i uzasadnić to wyłączenie. W sektorze stalowym, najbardziej obiecujące w tym obszarze są procesy: spiekania, wielkopiecowy, konwertorowy i topienia stali w piecu elektrycznym. Inne energochłonne gałęzie przemysłu również prowadzą podobne analizy, a skonsolidowane wyniki tych analiz będą przedmiotem wniosku do Komisji Europejskiej.
    Źródło:
    Prace Instytutu Metalurgii Żelaza; 2016, T. 68, nr 4, 4; 8-13
    0137-9941
    Pojawia się w:
    Prace Instytutu Metalurgii Żelaza
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Transient one-dimensional model of coal carbonization in a stagnant packed bed
    Autorzy:
    Polesek-Karczewska, S.
    Kardaś, D.
    Grucelski, A.
    Stelmach, S.
    Wardach-Święcicka, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/240628.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    carbonization
    coking process
    coal charge evaporation
    mass source
    pyrolytic gases
    uwęglenie
    proces koksowania
    odparowanie
    źródło masy
    gaz pirolityczny
    Opis:
    In the present paper, the one-dimensional model for heat and mass transfer in fixed coal bed was proposed to describe the thermal and flow characteristics in a coke oven chamber. For the purpose of the studied problem, the analysis was limited to the calculations of temperature field and pyrolytic gas yield. In order to verify the model, its theoretical predictions for temperature distribution during wet coal charge carbonization were compared with the measurement results found in the literature. In general, the investigation shows good qualitative agreement between numerical and experimental data. However, some discrepancy regarding the temperature characteristics at the stage of evaporation was observed.
    Źródło:
    Archives of Thermodynamics; 2013, 34, 2; 39-51
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of the Hardener on the Emission of Harmful Substances from Moulding Sands with Furan Resin in the Pyrolysis Process
    Autorzy:
    Holtzer, M.
    Kmita, A.
    Żymankowska-Kumon, S.
    Bobrowski, A.
    Dańko, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/380824.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    furan resin
    mould sand
    emission of gases
    pyrolisis
    BTEX
    PAH
    żywica furanowa
    masa formierska
    emisja gazów
    piroliza
    Opis:
    The furan resin offers advantages such as high intensity, low viscosity, good humidity resistance and is suitable for cast different casting alloys: steel, cast iron and non-ferrous metal casting. For hardening furan resins are used different hardeners (acid catalysts). The acid catalysts have significant effects on the properties of the cured binder (e,g. binding strength and thermal stability) [1 - 3]. Investigations of the gases emission in the test foundry plant were performed according to the original method developed in the Faculty of Foundry Engineering, AGH UST. The analysis is carried out by the gas chromatography method with the application of the flame-ionising detector (FID) (TRACE GC Ultra THERMO SCIENTIFIC).
    Źródło:
    Archives of Foundry Engineering; 2016, 16, 1; 107-111
    1897-3310
    2299-2944
    Pojawia się w:
    Archives of Foundry Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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