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1
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Materials Science Poland
2013 Vol. 31, No. 2 281--287
EN Biological performance of bioceramics such as calcium phosphate has been proved to be improved by substitution of different ions like Mg, Sr and Si. In this study, different amounts of Zn ions in nitrate form were incorporated into b-tricalcium phosphate in which various molar ratios of Ca:Zn were a[...]
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Rudy i Metale Nieżelazne
2003 R. 48, nr 12 585-589
PL Omówiono wyniki badań nad przebiegiem reakcji Cu0 + Cu2+ = 2 Cu+ w roztworach chlorkowych. Określono wpływ stosunku Cu0 /Cu +, czasu, pH i temperatury, a także stężenia roztworów na stopień przebiegu reakcji. Wyniki badań wskazują na różnice w stopniu przebiegu reakcji liczonym w oparciu o zmianę st[...]
EN Results of the investigation into the course of Cu0 + Cu2+ = 2 Cu+ reaction taking place in the chloride solutions have been described. An effect of Cu0/Cu2+ ratio, time, pH, temperature and concentration of solutions on the extent of reaction course has been determined The results indicate that the[...]
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Physicochemical Problems of Mineral Processing
2001 Vol. 35 21-29
PL Zbadano wydzielanie oraz selektywne rozdzielanie jonów cynku i kadmu w postaci Zn2+ i Cd2+ oraz jako aniony kompleksowe z wybranymi ligandami nieorganicznymi z roztworów wodnych zawierających zarówno pojedyncze metale jak i z roztworów zawierających równomolową mieszaninę obu metali przy użyciu kole[...]
EN An experimental investigation is presented of the batch ion flotation of zinc(II) and cadmium(II) ions from dilute aqueous solutions with sodium dodecylbenzenesulfonate (DBSNa) as an anionic surfactant and cetylpyridinium chloride (CPCl) as a cationic surfactant. The effect of halides, i.e. fluoride[...]
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Zeszyty Naukowe. Hutnictwo / Politechnika Śląska
2005 z. 74 178-178
PL Praca obejmuje teoretyczne i utylitarne badania wytwarzania z cynku twardego cynku rafinowanego stosowanego zarówno do ponownego wykorzystania w przemyśle cynkowniczym, jak i w produkcji gatunkowej bieli cynkowej. Cynk twardy jest odpadowym produktem tworzącym się podczas cynkowania zanurzeniowego w[...]
EN The study covers theoretical and applied research into production of refined zinc from zinc dross, reused in galvanising industry and/or used for production of classified zinc white. Zinc dross is a waste product which forms during hot-dip zinc coating steel products and which gathers on the bootom [...]
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Archives of Metallurgy and Materials
EN The article presents the results of studies on the rate of zinc evaporation in the atmosphere of helium and carbon monoxide (II) carried out with the thermogravimetric method. The estimated values of zinc streams were compared with the values determined based on theoretical relationships.
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Journal of Achievements in Materials and Manufacturing Engineering
2012 Vol. 55, nr 2 772--776
EN Purpose: This paper describes the dust arising during steelmaking processes. Design/methodology/approach: Steelmaking dusts may be a viable alternative for obtaining valuable and widely used metal which is zinc. On the other hand, heavy metals, it was as dangerous to the environment, and this in tur[...]
7
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Engineering of Biomaterials
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Engineering of Biomaterials
9
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Physicochemical Problems of Mineral Processing
EN Stainless steel production generates solid wastes such as dust and sludge that are considered as harmful in most industrial countries. Today dusts are recycled in separate treatment plants as these dusts contain valuable metals such as alloying elements. A direct recycling of dust back to steel prod[...]
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Physicochemical Problems of Mineral Processing
EN Flotation of smithsonite coming from a cerussite flotation circuit was investigated using Armac C and Armac T as cationic collectors and their mixtures with potassium amyl xanthate (KAX) as an anionic collector. Under optimum condition using Armac T with sodium hexamethaphosphate as a de-pressant, a[...]
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Polish Journal of Chemistry
2008 Vol. 82, nr 8 1541-1541
EN Octakis(3-phenylpropylthio) porphyrazines MPz(SR)8, where (M = Mg, H, Ni, Zn, Co) and R = C9H11, were synthesized starting with the corresponding unsaturated dicarbonitrile derivative. These new compounds have been investigated and characterized by UV, FT-IR, 1H NMR, GC-MS and elemental analysis met[...]
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Chemia i Inżynieria Ekologiczna
PL W jednorocznym doświadczeniu wazonowym badano zawartość Cu i Zn w ziarnie pszenicy jarej po zastosowaniu osadu ściekowego i siarki elementarnej. Doświadczenie obejmowało sześć wariantów: 1) kontrola (bez nawożenia), 2) obornik, 3) osad ściekowy, 4) siarka elementarna, 5) obornik + siarka elementarna[...]
EN The Cu and Zn contents in spring wheat gram after the application of sewage sludge and elemental sulphur were studied in a one-year pot experiment, which included six variants: 1) control (not fertilised), 2) farmyard manure, 3) sewage sludge, 4) elemental sulphur, 5) farmyard manure + elemental sul[...]
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Polish Journal of Ecology
EN Concentrations of zinc, cadmium and lead in ionic forms and in forms bound to humic substances isolated from ground and surface waters of drainage catchment were analysed. Higher total concentrations of examined metals were found in ground waters as opposed to surface waters. Particularly clear diff[...]
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Journal of Ecological Engineering
EN The aim of the paper is the assessment of the efficiency of anti-oxidative system in spinach plants growing in the substratum polluted with zinc. The assessment was conducted on the basis of changes of reduced glutathione (GSH) form concentration in the plant aboveground organs. Spinach plants, ‘Mat[...]
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Journal of Ecological Engineering
EN Municipal sewage sludge can be used in agriculture provided that the permissible levels of heavy metals are not exceeded in either the sewage sludge or in the top layer of soil to be amended by this substance, and that its application does not deteriorate the soil quality. The purpose of this study [...]
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Journal of Ecological Engineering
2015 Vol. 16, nr 1 127--134
EN Aquatic ecosystems are a valuable part of natural environment. The increasing level of pollution in waters transforming biocoenoses and other adverse effects of the impact of toxic substances have contributed to the development of biological monitoring. The aim of the study was to determine the chan[...]
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Physicochemical Problems of Mineral Processing
EN The aim of this study was to investigate manganese and zinc recoveries from spent zinc-carbon and alkaline battery powder. The effect of sulfuric acid concentration, ascorbic acid dosage, reaction temperature and leaching time on zinc and manganese dissolutions was investigated. The optimum reductiv[...]
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Journal of Ecological Engineering
EN The purpose of this study was to determine the influence of the soil fertilizer UGmax on zinc, copper and manganese contents in potato tubers. A three – year field experiment was carried out on soil which belonged to a very good rye complex. The experiment was established according to randomized spl[...]
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Physicochemical Problems of Mineral Processing
EN In this paper, recovery of manganese and zinc from alkaline battery paste by leaching under atmospheric condition using elemental sulfur as a reductive agent and sulfuric acid was investigated. Different dissolution parameters, acid concentrations, liquid-to-solid ratios, reaction temperatures, leac[...]
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Journal of Ecological Engineering
2017 Vol. 18, nr 3 133--139
EN In the samples of fresh dehydrated sewage sludges from municipal treatment plants in Grajewo, Bielsk Podlaski, Sokółka, Dąbrowa Białostocka, Knyszyn, Mońki, Augustów, Suwałki, Sejny and Suchowola the following determinations were made: pH, pseudo-total content of Zn, Ni and Cu, organic matter and dr[...]
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