References
- 1. Chojnacka, K., Barańska, M., Górecka, H. & Górecki, H. (2006). Utilization of animal bones, feather and wood ash in the making of mineral fertilizers. Przem. Chem. 85(8-9), 1256-1259 (in Polish).
- 2. Weigand, H., Bertau, M., Hubner, W., Bohndick, F. & Bruckert, A. (2013). RecoPhos: Full-scale fertilizer production from sewage sludge ash. Waste Manage. 33(3), 540-544. DOI: 10.1016/j.wasman.2012.07.009.
- 3. Rominski, M., Michalak, P., Jaskulski, D. & Jaskulska, I. (2011). Technology for manufacturing granulated magnesium fertilizers with the use of wastes from chlorine production, Przem. Chem. 90 (4), 628-630 (in Polish).
- 4. Malinowski, P., Olech, M., Sas, J., Wantuch, W., Biskupski, A., Urbańczyk, L., Borowik, M. & Kotowicz, J. (2010). Production of compound mineral fertilizers as a method of utilization of waste products in Chemical Company Alwernia S.A., Pol. J. Chem. Tech. 12(3), 6-9. DOI: 10.2478/v10026-010-0024-z.
- 5. Grzmil, B. & Kowal, D. (2006). Preparation of urea-based multicomponent fertilizers - a comparative study, Przem. Chem. 85(8-9), 823-826 (in Polish).
- 6. Sulajmankulov, K. 1980. Atlas diagramm rastvorimosti trojnyh vodno-solevyh karbamidnyh sistem, Izdatielstvo ILIM, Frunze.
- 7. Biskupski, A., Malinowski, P., Igras, J., Borowik, M., Podleśna, A. & Schab, S. (2009). Nitrogen granular fertilizers - current status and perspectives of development in Poland. Przem. Chem. 12, 1337-1341 (in Polish).
- 8. Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilizers. Offi cial Journal of the European Union L 304/1.
- 9. Pawlikowski, S. & Szymonik, S. (1959). About the methodology of determining the hygroscopicity. Przem. Chem. 8, 598-599 (in Polish).
- 10. Malinowski, P., Biskupski, A. & Głowiński, J. (2007). Preparation methods of calcium sulphate and urea adduct. Pol. J. Chem. Tech. 9(4), 111-114. DOI: 10.2478/v10026-007-0102-z.