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The present paper investigates the Ni2+ and Pb2+ adsorption on limestone and dolomite, with the further goal of utilisation of their tailings in landfills as substrates capable of retaining heavy metals. The experiments have been carried out for fractions of different particle size: –4+1mm, –1mm+315μm, –315+90μm, –90μm. For the sorption studies separate solutions containing 5, 100, 500 mg/L of Ni2+...
A new process for the incorporation of old newspaper fibers into polyolefins, such as LDPE, HDPE and PP, was developed based on the dispersion of paper fibers in a hot polymer solution and the subsequent precipitation of the polyolefins by cooling, which produces a slurry of polymer with paper fibers. The technique studied in this work is an alternative to the conventional melt compounding and was...
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