Szukana fraza: [Abstract = "The work presents physical, chemical and energetic properties of sludge from industrial and municipal sewage treatment plant in West Pomeranian Voivodeship. Among many macronutrients, sludge contains much of the following\: nitrogen, phosphorus, calcium and magnesium, but little potassium. Total content of heavy metals \(Cd, Cr, Cu, Mn, Ni, Pb, Hg, Zn\) was lower than norms admitting sludge for natural, including agricultural use, presented in the Order of Ministry of the Environment14."]

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