Search Results - "Karwowska, Beata"

Temperature and pH influence on the efficiency of trace metals leaching from sewage sludge with EDTA solution by Karwowska, Beata

“…Sewage sludge cumulates harmful, non-biodegradable trace metals. For this reason further management could be problematic. Extraction of metals with EDTA is one…”
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Changes of metal forms in sewage sludge after EDTA washing by Karwowska, Beata

“…Heavy metals in sewage sludge can be classified as difficult solid waste with potential hazards for environment. This report examined how an aqueous solution…”
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Characteristics of reject waters and condensates generated during drying of sewage sludge from selected wastewater treatment plants by Karwowska, Beata, Sperczyńska, Elżbieta, Wiśniowska, Ewa

“…The aim of the investigation was to evaluate the levels of BOD, chemical oxygen demand, biogen compounds (e.g. ammonium nitrogen, phosphates) and the heavy…”
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Solid-state electrochemical generation and characterization of catalytic Pt microcenters within single crystal of heteropoly phospho-12-tungstic acid by Kulesza, Pawel J., Karwowska, Beata, Grzybowska, Bozena, Wieckowski, Andrzej

“…Chloroplatinic acid can be incorporated at trace (10 −5–10 −4 mol dm −3) levels into the secondary, hydrated, structure of a single crystal of tetragonal…”
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Voltammetry of phosphotungstic acid immobilized in templated silica gel by Holmstrom, Scott D, Karwowska, Beata, Cox, James A, Kulesza, Pawel J

“…Silica prepared by the acid-catalyzed hydrolysis of tetramethyl orthosilicate is used as a host for the Keggin-type polyoxometalate, phosphotungstic acid…”
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Interfacial electron transfer and bulk charge propagation in solid-state voltammetry of mixed-valence inorganic material by Kulesza, Pawel J., Karwowska, Beata, Malik, Marcin A.

“…We demonstrate the usefulness of cyclic voltammetric measurements for characterization of a model, mixed-valence protonically conducting solid, tetragonal…”
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Determination of mixed-valence redox centers and dynamics of charge propagation in a bulk redox-conducting solid: phospho-12-tungstic acid single crystal by Kulesza, Pawel J., Karwowska, Beata

“…We describe and evaluate an electroanalytical method for quantitative characterization of a model, mixed-valence, protonically-conducting solid, tetragonal…”
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