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    Wyświetlanie 1-14 z 14
    Tytuł:
    Recycling of Cerium and Lanthanum from Glass Polishing Sludge
    Autorzy:
    Lee, Chi-En Hung
    Lo, Yu-Chien
    Sandagdorj, Nyamdorj
    Gankhuyag, Enkhsaikhan
    Popuri, Srinivasa Rao
    Hung, Chi-En
    Powiązania:
    https://bibliotekanauki.pl/articles/779586.pdf
    Data publikacji:
    2019
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Cerium
    Lanthanum
    Waste
    Sludge
    Leaching
    Recycling
    Opis:
    To examine the efficiency of La and Ce recycling processes from the sludge, two major methods were used, namely leaching and precipitation. The findings suggest that 12% of La and 24.2% of Ce were contained in the sludge. The sludge was leached in an optimum condition of 6N HCl at a temperature of 70°C with a 3g/50 mL solid/liquid ratio for 3 h to obtain a 100% leaching recovery of La and Ce. After pH adjustment of the obtained La and Ce optimum leaching solution to 6 with NH4OH and a simultaneous addition of H2O2 in a ratio of 1:1, Ce precipitated out with 65.9% recovery. On the other hand, La was not precipitated. The results obtained in this study reveal that leaching and pH adjustment method could be used to recover the valuable REE of La and Ce from glass polishing sludge in order to reach the goals of resource recycling.
    Źródło:
    Polish Journal of Chemical Technology; 2019, 21, 4; 26-30
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of a new scintillation crystal (LaBr3) in PET scanners using Monte Carlo method
    Autorzy:
    Karimian, A. E.
    Thompson, Ch. J.
    Powiązania:
    https://bibliotekanauki.pl/articles/146815.pdf
    Data publikacji:
    2008
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    PET
    scintillation crystals
    Monte Carlo
    lanthanum bromide
    Opis:
    The main aim of this work is to investigate the use of new lanthanum bromide (LaBr3) in whole body PET (WB-PET) scanners and to compare the obtained results with those for BGO and LSO crystals which are currently used in conventional and dedicated PET systems. Our results show that there is a gain in noise effective count rate (NECR) arising from the reduced scatter and random fractions in a LaBr3 scanner. The spatial resolution of the WB-PET with LaBr3 is slightly worse than the LSO and BGO crystals because of its low density and effective atomic number. But our study showed the increased NECR, excellent energy resolution and low decay time of LaBr3 which promise a significant improvement in WB-PET performances especially for narrow coincidence windows.
    Źródło:
    Nukleonika; 2008, 53, 1; 5-6
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Properties and activity of the cobalt catalysts for NH3 &enspsynthesis obtained by co-precipitation – the effect of lanthanum addition
    Autorzy:
    Zybert, M.
    Karasińska, M.
    Truszkiewicz, E.
    Mierzwa, B.
    Raróg-Pilecka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/778653.pdf
    Data publikacji:
    2015
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    ammonia synthesis
    cobalt catalyst
    promoter
    lanthanum
    coprecipitation
    Opis:
    In modern research on catalysts for NH3&enspsynthesis a lot of attention is paid to cobalt. In this work the new catalytic systems based on cobalt are presented. Unsupported cobalt catalysts singly promoted (La or Ba) and doubly promoted (La and Ba) were prepared and tested in NH3&enspsynthesis reaction under commercial synthesis conditions. Characterization studies revealed that lanthanum plays a role of a structural promoter, which improves the surface of catalyst precursors and prevents from sintering during calcination. However, lanthanum has a negative effect on the reduction of cobalt oxide, but the addition of barium promoter (Co/La/Ba catalyst) diminishes the negative impact of La. The co-promotion of cobalt with lanthanum and barium results in the increasing of the active phase surface and improvement of its activity in NH3&enspsynthesis.
    Źródło:
    Polish Journal of Chemical Technology; 2015, 17, 1; 138-143
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cobalt-lanthanum catalyst precursors for ammonia synthesis: determination of calcination temperature and storage conditions
    Autorzy:
    Zybert, M.
    Tarka, A.
    Mierzwa, B.
    Raróg-Pilecka, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/778044.pdf
    Data publikacji:
    2017
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    ammonia synthesis
    catalyst precursor
    cobalt
    lanthanum
    thermal analysis
    Opis:
    A thermal decomposition of a cobalt-lanthanum catalyst precursor containing a mixture of cobalt and lanthanum compounds obtained by co-precipitation were studied using thermal analysis coupled with mass spectrometry (TG-MS). Studies revealed that the calcination in air at 500°C is sufficient to transform the obtained cobalt precipitate into Co3 O4 , but it leads to only partial decomposition of lanthanum precipitate. In order to obtain Co/La catalyst precursor containing La2 O3  the calcination in air at the temperature about 800°C is required. However, it is unfavorable from the point of view of textural properties of the catalyst precursor. A strong effect of storage conditions on the phase composition of the studied cobalt-lanthanum catalyst precursor, caused by the formation of lanthanum hydroxide and lanthanum carbonates from La2 O3  when contacting with air, was observed.
    Źródło:
    Polish Journal of Chemical Technology; 2017, 19, 2; 61-66
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lantan i cer w glebach Polski
    Autorzy:
    Kwecko, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/2074972.pdf
    Data publikacji:
    2012
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    lanthanum
    cerium
    REE
    soils
    Polska
    lantan
    cer
    gleby
    Polska
    Opis:
    The paper present basic spatial analysis lanthanum and cerium distribution in Poland soils. Attempted to determine geochemical background and range and intensity of enrichment and anomalies La and Ce content in top (0–0,2 m) and bottom (0,5–2 m) soils. These data are presented in the form two color maps of polygonal with basic statistic information. The text part describes the main areas of enrichment and attempts to indicate the source of these values.
    Źródło:
    Przegląd Geologiczny; 2012, 60, 9; 490--495
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Co2 on the Catalytic Performance Of La2O3/CeO2 and CaO/CeO2 Catalysts in the Oxidative Coupling of Methane
    Autorzy:
    Litawa, B.
    Michorczyk, P.
    Ogonowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/779348.pdf
    Data publikacji:
    2013
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    CO2 effect
    OCM
    lanthanum oxide
    calcium oxide
    ethylene
    Opis:
    In this work the La2O3/CeO2 (33 mol % of La) and CaO/CeO2 (33 mol % of Ca) catalysts were prepared by the impregnation method and characterized by XRD and CO2-TPD. The catalytic properties of the catalysts were tested in the OCM process at 1073 K using the methane/oxygen mixture of the mole ratio 3.7 or 2.5 additionally containing CO2 and helium balance. It was found that in the presence of both catalysts an addition of CO2 enhances the selectivity to the ethylene and ethane and it does not have Any negative infl uence on methane conversion. In the case of the CaO/CeO2 catalyst the promoting effect of CO2 was the highest. When the partial pressure of CO2 equals to 39 kPa the increase in selectivity from 36 to 41% was noted while the conversion of methane equal to 19.4-19.7 %.
    Źródło:
    Polish Journal of Chemical Technology; 2013, 15, 1; 22-26
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Behavioral and Lethal Effects of La Salt and a Mixture of Cu and La Salt on Daphnia magna Straus
    Autorzy:
    Olkova, Anna Sergeewna
    Sysolyatina, Maria
    Powiązania:
    https://bibliotekanauki.pl/articles/2105282.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    lanthanum
    copper
    bioassay
    Daphnia magna
    motor activity
    joint effect
    synergism
    potentiation
    Opis:
    The study of joint effects of REE and HM is relevant, since they are often satellite deposits, their areas of application are similar, and an increase in concentrations of elements of these groups in the areas that are not places of their extraction and enrichment is proven. The purpose of this work was to find out the pre-lethal and lethal effects of La, Cu and their equimolar mixtures in tests for Daphnia magna Straus. Bioassays of artificially polluted natural waters, initially free of toxic elements, was carried out. In bioassays on the mortality of D. magna in the space of 96 hours it was found that acute toxicity of copper sulfate solutions is observed at the calculated concentration of Cu2+ 0.1 mg/L (0.0016 mmol/L), and the acute toxicity of lanthanum sulfate is when the dose of La3+ is equal to 50 mg/L (0.36 mmol/L). In the solutions comprising mixtures of Cu and La salts (1:1 calculated using metals), the concentrations of which are equimolar to the investigated solutions of copper sulfate, the mortality of D. magna begins in the solution containing 10 times less toxic elements. It was found that 25% of individuals died in the variant “0.00016 mmol/L”, the mortality of 100% of individuals was at the total metal concentration of 0.0008 mmol/L. The solutions containing La (0.072–0.72 mmol/L) and Cu (0.00016–0.0016 mmol/L) naturally inhibit the motor activity of D. magna by 1.3–5.3 times and 1.2–1.9 times in 1 hour and 1.7–2.8 and 1.4–2.2 times in 24 hours, respectively. The solutions containing mixtures of Cu and La salts inhibited the motor activity of D. magna in the same way as copper sulfate solutions with the Cu2+ concentrations equimolar “Cu2+ + La3+”. Therefore, when testing the solutions with the same molar concentrations of Cu2+ and the mixture of “Cu2+ + La3+” it was shown that La potentiates the pre-lethal effect of Cu to the level of individual effects of Cu. The additions of La salt to the solutions containing pre-lethal doses of Cu lead to lethal effects of such mixtures for D. magna.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 6; 245--252
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Materiały dla jednowarstwowych ogniw paliwowych
    Materials for single layer fuel cells
    Autorzy:
    Winiarz, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/134696.pdf
    Data publikacji:
    2016
    Wydawca:
    ADVSEO
    Tematy:
    fuel cell
    composite material
    proton conductor
    lanthanum niobate
    scanning electron microscopy
    x-ray diffraction
    Opis:
    A composite material, which may be further applied as a single layer fuel cell, was synthesized using solid state synthesis method. Composite consisted of two components. The first was a nanoceramic proton conductor – calcium doped lanthanum niobate. The second one was a nanoceramic semiconductor oxide composed of lithium, nickel and zinc oxides respectively. Structural and electrical investigations were performed on the received material. Scanning electron microscope images showed that the microstructure on the surface of this material is homogeneous. Energy dispersive X-Ray diffraction confirms that the components of the investigated composite are mixed together in a volume of material allowing to current flow through the percolation threshold. Open circuit voltage was changing during measurement from 0.8V to 0.6V. Moreover, the material did not change its structural properties during the current flow, hence it could be a good candidate to the production of single layer fuel cells.
    Źródło:
    Technical Issues; 2016, 4; 104-109
    2392-3954
    Pojawia się w:
    Technical Issues
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radioisotope tracer study in an indirectly heated rotary dryer
    Autorzy:
    Pant, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/147094.pdf
    Data publikacji:
    2002
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    holdup
    lanthanum-140
    mean residence time
    radioisotope tracer
    residence time distribution
    rotary dryer
    variance
    Opis:
    A radioisotope tracer study was carried-out in a pilot scale indirectly heated rotary dryer to measure residence time distribution (RTD) of sand particles. Lanthanum-140 labeled sand was used as a tracer. Mean residence time (MRT) and variance of the tracer distribution curves were calculated from the measured RTD curves. From the calculated MRTs, solid holdup in the dryer was estimated. The qualitative comparison of the dimensionless variance with the data published in the literature led to the conclusion that the rotary dryer behaves as a plug flow system. The results of the study were used to design a full-scale industrial rotary dryer.
    Źródło:
    Nukleonika; 2002, 47, 4; 173-176
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of Sensitivity of Autotrophic and Heterotrophic Microorganisms to the Pollution of Natural Water with Rare Earth Elements (Lanthanum and Cerium)
    Autorzy:
    Lozhkina, Roza A.
    Olkova, Anna S.
    Koval, Ekaterina V.
    Tomilina, Irina I.
    Sysolyatina, Maria A.
    Powiązania:
    https://bibliotekanauki.pl/articles/2086379.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    rare earth elements
    lanthanum
    cerium
    bioassay
    Nostoc linckia
    Chlorella vulgaris
    Paramecium caudatum
    Escherichia coli
    Opis:
    The purpose of the work was to compare the sensitivity of autotrophic and heterotrophic organisms used in bioassay to lanthanum and cerium under the conditions of a model experiment with aqueous media. Using bioassay methods, the pre-lethal effects of La and Ce in heterotrophic Paramecium caudatum and Escherichia coli, as well as autotrophic Chlorella vulgaris and Nostoc linckia were determined. Model solutions of La2 (SO4)3∙8H2O and Ce2 (SO4)3∙8H2O were tested in the concentration range of 0.1–200 mg/l. As a result, it was shown that heterotrophic organisms are more sensitive to water pollution with La and Ce than autotrophic ones. According to the totality of experiments, cerium turned out to be more toxic than lanthanum. When planning the environmental studies of wastewater or reservoirs polluted with REE, it is recommended to focus on comparative sensitivity of bioassay methods, taking into account the test-functions used: bioassay for chemotaxis of P. caudatum > bioassay for changes in bioluminescence of E. coli (strain M-17) > bioassay for the content of chlorophyll а and intensity of lipid peroxidation in N. linckia > bioassay on the increase in the number of Cl. vulgaris.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 4; 58--63
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dual Pore Cathode Materials for Solid Oxide Fuel Cells
    Autorzy:
    Mosiałek, M.
    Zimowska, M.
    Kharitonov, D.
    Górski, M.
    Krzan, M.
    Komenda, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/354965.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    solid oxide fuel cell
    yttrium iron cobaltite
    lanthanum strontium cobalt ferrite
    composite cathode
    electrochemical impedance spectroscopy
    Opis:
    In this work, we developed the lanthanum strontium cobalt ferrite and it’s composite with yttrium iron cobaltite (mass ratio of 1:1) cathodes as a thin layer on Ce0.8Sm0.2O1.9 electrolyte. Two kinds of electrode pastes were prepared, with and without 6 mm polystyrene beads as an additional pore former. The performance of cathode materials was investigated by electrochemical impedance spectroscopy as a function of electrode morphology, oxygen partial pressure, potential, and temperature. The polarization resistance of the more porous electrodes was lower than those electrodes prepared without additional pore former in the whole potential range at 800°C, slightly lower at 700°C and 600°C. The addition of yttrium iron cobaltite decreased the performance of both types of cathodes. The lower polarization resistance of porous cathodes is due to the facilitated gas diffusion through their structure.
    Źródło:
    Archives of Metallurgy and Materials; 2020, 65, 3; 1217-1221
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ba0.5Sr0.5Co0.8Fe0.2O3-σ and La0.6Sr0.4Co0.8Fe0.2O3-σ composite cathode for solid oxide fuel cell
    Autorzy:
    Mosiałek, M.
    Kędra, A.
    Krzan, M.
    Bielańska, E.
    Tatko, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/355878.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    barium strontium cobalt ferrite
    lanthanum strontium cobalt ferrite
    solid oxide fuel cell
    oxygen reduction reaction
    electrochemical impedance spectroscopy
    Opis:
    Composite cathodes contain Ba0.5Sr0.5Co0.8Fe0.2O3-σ and La0.6Sr0.4Co0.8Fe0.2O3-σ were tested in different configuration for achieving cathode of area specific resistance lower than Ba0.5Sr0.5Co0.8Fe0.2O3-σ and La0.6Sr0.4Co0.8Fe0.2O3-σ cathodes. Electrodes were screen printed on samaria-doped ceria electrolyte half-discs and tested in the three electrode setup by the electrochemical impedance spectroscopy. Microstructure was observed by scanning electron microscopy. The lowest area specific resistance 0.46 and 2.77 Ω cm-2 at 700 °C and 600 °C respectively revealed composite cathode contain Ba0.5Sr0.5Co0.8Fe0.2O3-σ and La0.6Sr0.4Co0.8Fe0.2O3-σ in 1:1 weight ratio. The area specific resistance of this cathode is characterized by the lowest activation energy among tested cathodes.
    Źródło:
    Archives of Metallurgy and Materials; 2016, 61, 3; 1483-1488
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Potencjometryczny sensor chloru
    Potentiometric chlorine sensor
    Autorzy:
    Dziubaniuk, M.
    Janora, S.
    Pasierb, P.
    Rękas, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/155648.pdf
    Data publikacji:
    2010
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    sensory potencjometryczne
    ogniwa stałe
    sensor chloru
    tlenochlorek lantanu
    potentiometric gas sensors
    solid cells
    chlorine gas sensor
    lanthanum oxy-chloride
    Opis:
    Do konstrukcji sensora chloru wybrano tlenochlorek lantanu, LaOCl, jako elektrolit stały. Jego warunki preparatyki określono metodą analizy termicznej oraz dyfrakcji promieniowania rentgenowskiego. Mikrostrukturę spieku elektrolitu określono przy użyciu mikroskopii elektronowej. Charakterystykę sensora wyznaczono dla koncentracji chloru w powietrzu w zakresie 0-100 ppm. Skonstruowany sensor pracuje poprawnie i jest stabilny w zakresie temperatur 500 - 800°C. Wyznaczona zależność napięcia źródłowego ogniwa od koncentracji chloru jest zgodna z prawem Nernsta dla n=2.
    A chlorine gas sensor was fabricated with the Cl- ion conducting lanthanum oxy-chloride, LaOCl, a solid electrolyte. Preparation conditions, especially the optimal calcination temperature, were determined by means of the differential thermal analysis (DTA), thermogravimetry (TG) as well as mass spectrometry (MS). According to the x-ray diffraction (XRD) analysis, the product was homogenous and crystallized in tetragonal P4/nmm structure. Scanning electron microscopy (SEM) revealed that it is composed of uniform grains of the 210-260 nm dimension. The sensor manu-facture consisted of several steps. Firstly, the powder of LaOCl was pressed in pellet die (100 MPa) and calcined at 700°C for 2 hours. Then, both sides of polished pellet were covered with Pt paste. It was fired at 1100°C for 2 hours after cooling down the pellet was attached to Al2O3 tube using the ceramic binder to allow the separation of both electrode compartments during the sensor operation. The device was dried and heated at 370°C. The electromotive force (EMF) of the constructed cell was measured asa function of temperature (400- 800°C), Cl2 concentration in air (0-100 ppm) at sensing electrode and time. Air with constant concen-tration of chlorine (100 ppm) gas atmosphere was kept at reference electrode. The sensor exhibited reliable, stable and reproducible signal at operation temperature between 500 - 800°C. The deter-mined EMF vs. logp(Cl2) dependence may be described by the Nernst law for n= 2.
    Źródło:
    Pomiary Automatyka Kontrola; 2010, R. 56, nr 6, 6; 525-528
    0032-4140
    Pojawia się w:
    Pomiary Automatyka Kontrola
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Złote glony (algi-zabójcy) jako zagrożenie dla gospodarki i przyrody Polski
    Golden algae (“killer algae”) as a threat to Polands economy and nature
    Autorzy:
    Kapler, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/29433452.pdf
    Data publikacji:
    2024
    Wydawca:
    Mazowieckie Biuro Planowania Regionalnego w Warszawie
    Tematy:
    złote glony
    Prymnesium parvum
    prymnezyny
    zakwit
    HAB
    klęska ekologiczna
    Odra
    starorzecza
    Phoslock
    La
    biostabilizator jęczmienny
    CuSo4
    H2O2
    PIX111
    golden algae
    prymnesins
    algal bloom
    HAB (harmful algal bloom)
    ecological disaster
    Oder River
    Gliwice Canal
    oxbow lakes
    Lanthanum
    coagulants
    barley biostabilizer
    Opis:
    Bezprecedensowy zakwit „złotych alg” Prymnesium parvum w Odrze w 2022 r. był najgorszą klęską ekologiczną w Polsce i Niemczech od dekad. W 2023 r. udało się powstrzymać przenikanie „glonów-zabójców” z Kanału Gliwickiego, jak również zbiorników Czernica i Januszkowice do głównego nurtu Odry. Artykuł przedstawia aktualny stan wiedzy o tej katastrofie oraz wnioski z przeprowadzonych w Polsce, pionierskich testów metod wygaszania zakwitów w wodach płynących. Ponadto w niniejszej pracy zebrano i przedstawiono zagraniczne sposoby zwalczania „złotych alg” w stawach rybnych, na obszarach cennych dla przyrody, żeglarstwa i wędkarstwa, jak również restytucji fauny (w tym małży skójkowatych, istotnych tak dla gospodarki, jak dla ochrony przyrody) po masowym zakwicie P. parvum.
    The unprecedented bloom of “golden algae” Prymnesium parvum in the Oder River in 2022 was the worst ecological disaster in Poland and Germany in decades. In 2023, the penetration of those “killer algae” from the Gliwice Canal, as well as the Czernica and Januszkowice reservoirs into the main stream of the Oder River has been stopped by the Polish Waters. The article presents the current state of knowledge about this catastrophe and draws conclusions from pioneering tests conducted in Poland on methods to mitigate blooms in flowing waters (in the Gliwice Canal). Additionally, this work compiles and presents foreign methods of combating “golden algae” in fish ponds, in areas valuable for nature, sailing and fishing, as well as fauna restitution (including Unionidae mussels, significant for both the economy and for nature protection) following a mass bloom of P. parvum.
    Źródło:
    MAZOWSZE Studia Regionalne; 2024, 48; 37-61
    1689-4774
    Pojawia się w:
    MAZOWSZE Studia Regionalne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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