Chemical reactions during the preparation of P and NPK fertilizers from thermochemically treated sewage sludge ashes

References

• Adam , C , Kley , G and Simon , FG . 2007 . Thermal Treatment of Municipal Sewage Sludge Aiming at Marketable P-Fertilizers . Mater. Trans. , 48 : 3056 – 3061 .
   Web of Science ®Google Scholar
• Adam , C , Peplinski , B , Kley , G , Kratz , S , Schick , J and Schnug , E . 2008 . Phosphorrückgewinnung das Klärschlammaschen – Ergebnisse aus dem EU-Projekt SUSAN . Österr Wasser und Abfallwirtschaft , 60 ( 3-4 ) : 55 – 64 .
   Google Scholar
• Adam , C , Peplinski , B , Michaelis , M , Kley , G and Simon , FG . 2009 . Thermochemical Treatment of Sewage Sludge Ashes for Phosphorus Recovery . Waste Manag. , 29 ( 3 ) : 1122 – 1128 .
   PubMed Web of Science ®Google Scholar
• Bar-On , P and Pelly , I . 1979 . Production of magnesium phosphate from apatite and carallite. 2. solubility in citric acid . J. Agric. Food. Chem. , 27 : 152 – 157 .
   Web of Science ®Google Scholar
• Bolan , NS , Hedley , MJ , Harrison , R and Braithwaite , AC . 1990 . Influence of manufacturing variables on characteristics and the agronomic value of partially acidulated phosphate fertilizers . Fertilizer Res. , 26 : 119 – 138 .
   Web of Science ®Google Scholar
• Bolland , MDA , Glencross , RN , Gilkes , RJ and Kumar , V . 1992 . Agronomic effectiveness of partially acidulated rock phosphate and fused calcium-magnesium phosphate compared with superphosphate . Fertilizer Res. , 32 : 169 – 183 .
   Web of Science ®Google Scholar
• Braithwaite , AC , Eaton , AC and Groom , PS . 1989 . Some factors associated with the use of the extractants 2% citric acid and 2% formic acid as estimors of available phosphorus in fertilizer products . Fertilizer Res. , 19 : 175 – 181 .
   Google Scholar
• Chien , SH . 1993 . Solubility assessment for fertilizer containing phosphate rock . Fertilizer Res. , 35 : 93 – 99 .
   Web of Science ®Google Scholar
• Cordell , D , Drangert , JO and White , S . 2009 . The story of phosphorus: global food security and food for thought . Glob. Environ. Change , 19 : 292 – 305 .
   Web of Science ®Google Scholar
• D′Jans , J and Knütter , R . 1953 . Zur Abgrenzung der Existenzgebiete der Dicalciumphosphate und des Apatites im System H2O-Ca(OH)2-H3PO4bei 25°C . Angew. Chem. , 65 : 578 – 581 .
   Google Scholar
• Elmore , KL and Farr , TD . 1940 . Equilibrium in the System Calcium Oxide – Phosphorus Pentoxide – Water . Ind. Eng. Chem. , 32 : 581 – 586 .
   Google Scholar
• Fink , A . 1992 . “ Dünger und Düngung ” . Weinheim, , Germany : VCH Verlagsgesellschaft .
   Google Scholar
• Gilbert , N . 2009 . The disappearing nutrient . Nature , 461 : 716 – 718 .
   PubMed Web of Science ®Google Scholar
• Gmelins Handbuch der anorganischen Chemie1961Ca [B], 1133
   Google Scholar
• Richter , C . 2005 . “ Agrikulturchemie und Pflanzenernährung ” . Roßdorf, , Germany : Margraf Publishers .
   Google Scholar
• von Horn , J and Sartorius , C . 2009 . “ Impact of supply and demand on the price development of phosphate (fertilizer) ” . In International Conference on Nutrient Recovery from Wastewater Streams , Edited by: Ashley , K , Mavinic , D and Koch , F . 45 – 49 . London : IWA Publishing .
   Google Scholar
• Mondrzak-Rosenberg , G and Hagin , J . 1964 . Comparison and evaluation of several phosphatic fertilizers . Isr. J. Agric. Res. , 14 : 37 – 44 .
   Google Scholar
• Peplinski , B , Adam , C , Michaelis , M , Kley , G , Emmerling , F and Simon , FG . 2009 . Reaction sequences in the thermochemical treatment of sewage sludge ashes revealed by X-ray powder diffraction – A contribution to the European project SUSAN . Z Kristallogr. Suppl. , 30 : 459 – 464 .
   Google Scholar
• Römer , W . 2006 . Vergleichende Untersuchungen zur Pflanzenverfügbarkeit von Phosphat aus verschiedenen P-Recycling-Produkten im Keimpflanzenversuch . J. Plant Nutr. Soil Sci. , 169 : 826 – 832 .
   Web of Science ®Google Scholar
• Schick , J , Kratz , S , Adam , C , Hermann , L , Kley , G , Schnug , E , WEHBlum , MH and Gerzabek , M . Agronomic potential of P-fertilizers made from sewage sludge ashes – The EU-Project SUSAN Proceedings of EUROSOIL 2008 . August 25–29 2008 , Vienna. Vodrazkap 28.G.01
   Google Scholar
• Sikora , FJ and Mullins , GL . 1995 . Bioavailability of citrate-insoluble phosphorus in monoammonium phosphate and triple superphosphate fertilizer . Soil Sci. Soc. Am. J. , 59 : 1183 – 1188 .
   Web of Science ®Google Scholar
• SUSAN 2009 (Accessed 25 February 2010 http://www.susan.bam.de (http://www.susan.bam.de)
   Google Scholar