Przemysław Malinowski, Mieczysław Borowik, Wiesław Wantuch, Leszek Urbańczyk, Michał Dawidowicz and Andrzej Biskupski
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 fertilizerproduction from sewage sludge ash. Waste Manage. 33(3), 540-544. DOI: 10.1016/j.wasman.2012.07.009.
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Cornelia Lupu, Margareta Naie and Alexandra-Andreea Buburuz
The application of chemical fertilizers on the grain bean crop must be done due to the plant peculiarities (high consumption of nutrients, root system underrepresented, plant ability to synthesize up to 85% of the needed nitrogen) and its high sensitivity to stress conditions. Although the bean requirements for nutrients are high, the plant response to the application of fertilizers is smaller, the obtained production increase will vary widely depending on the type of fertilizer, the applied dose, but also on the climatic conditions in the area. The paper presents the experimental results, carried aut during 2008-2010 at Agricultural Research- Development Station Secuieni, Neamţ County, Romania (A.R.D.S. Secuieni- Neamţ), on the application of phosphorus and nitrogen fertilizers in a long - term experiences. By using the two fertilizers were obtained yield increases of 3-27%. These were directly proportional to the dose of the applied fertilizer. By applying the phosphorus fertilizer, the average production increases, compared with the control variant, were ranged from 7 to 15%. Average gains, obtained by the using of nitrogen fertilizers, compared with the control variant, were ranged from 12 to 27%. Marginal production increases, obtained by applying phosphorus fertilizers were of 1,52-2,92 kg beans/ kg P2O5, and at the nitrogen fertilizers, of 1,72-3,28 kg beans/ kg N. In both cases, the marginal increases obtained were inversely proportional to the doses of the apllied fertilizer.
Katarzyna Gorazda, Zygmunt Kowalski and Zbigniew Wzorek
Our work presents the results of the research on the utilization of ashes after sewage sludge combustion comprising phosphorus recovery in the form of useful products. The investigations were divided into three parts: selecting the combustion parameters of sewage sludge, examining ash leaching with mineral acids (nitric and phosphoric) to high phosphorus selectivity assuring a low content of iron and heavy metals in the extracted solutions and precipitation of CaHPO4 .2H2O. Suitable temperature of a sewage sludge combustion enables selective extraction of phosphorus compounds from ash because of hematite phase forming, insoluble in mineral acids. The extracts from phosphoric acid leaching, where the extraction of phosphorus compounds was 96.1%, have very good properties for its further use as the initial solution for CaHPO4 .2H2O with 6% lime milk. The obtained product is characterized by high purity and phosphorus availability compatible even with the feed phosphate standard.
Przemysław Malinowski, Mirosław Olech, Józef Sas, Wiesław Wantuch, Andrzej Biskupski, Leszek Urbańczyk, Mieczysław Borowik and Jerzy Kotowicz
Production of compound mineral fertilizers as a method of utilization of waste products in chemical company Alwernia S.A.
The results of investigations on a possible utilization of waste products formed during the production of commercial and food inorganic salts are presented. Application of wastes in the production of compound fertilizers was suggested. The work covered a full research cycle starting from laboratory tests and ending on the production implementation. Fertilizer formulas were developed on the basis of laboratory tests. A possible production of fertilizers of suggested compositions was tested on a pilot plant scale. The compound fertilizer production with the use of waste raw materials was implemented in Chemical Company Alwernia S.A. It reduced the amount of wastes directed to industrial waste site.
authorities to prevent or inhibit the illegal use fertilizer in terrorist devices, Proceedings of the International Explosives Symposium, (pp. 129). Fairfax, Virginia.
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Katarína Ondreičková, Marcela Gubišová, Jozef Gubiš, Lenka Klčová and Miroslav Horník
grown on municipal sewage sludge. In Industrial Crops and Products , vol. 81 , pp. 72–82. DOI: 10.1016/j.indcrop.2015.11.052
KOMINKO, H. – GORAZDA, K. – WZOREK, Z. 2017. The possibility of organo-mineral fertilizerproduction from sewage sludge. In Waste and Biomass Valorization , vol. 8 , pp. 1781–1791. DOI: 10.1007/s12649-016-9805-9
NAKATANI, A.S. – MARTINES, A.M. – NOGUEIRA, M.A. – FAGOTTI, D.S.L. – OLIVEIRA, A.G. – BINI, D. – SOUSA, J.P. – CARDOSO, E.J.B.N. 2011. Changes in the genetic structure of Bacteria and microbial activity in an agricultural
Anna Gnida, Jarosław Wiszniowski, Ewa Felis, Jan Sikora, Joanna Surmacz-Górska and Korneliusz Miksch
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Juretschko, S., Timmermann, G., Schmid, M., Schleifer, K
Krzysztof Piotrowski, Joanna Koralewska, Bogusława Wierzbowska and Andrzej Matynia
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Matynia, A., Wlazło, P., Górecki, H. & Hoffmann, J. (2004). The way of liquid mineral fertilizerproduction
Tomislav Bituh, Branko Petrinec, Božena Skoko, Zlatko Vučić and Gordana Marović
prepare non-fired bricks by novel Hydration-Recrystallization process. Constr Build Mater 2012;34:114-9. doi: 10.1016/j.conbuildmat.2012.02.045
10. Bituh T, Marović G, Franić Z, Senčar J, Bronzović M. Radioactive contamination in Croatia by phosphate fertilizerproduction. J Hazard Mater 2009;162:1199-203. doi: 10.1016/j.jhazmat.2008.06.005
11. Bituh T, Vučić Z, Marović G, Prlić I. A new approach to determine the phosphogypsum spread from the deposition site into the environment. J Hazard Mater 2013;261:584-92. doi: 10.1016/j.jhazmat.2013