Granulated organic and mineral fertilizers: Technology and utility properties

• Authors: Czesława Rosik-Dulewska , Jolanta Robak , Katarzyna Głowala
• Languages of publication: EN

Abstracts

EN

This work presents the selected aspects of a technological concept for the production of organic and mineral fertilizers from communal sludge stabilized with volatile ash, by using two methods of granulation: coating and pressure. The presented concept is the effect of optimization, taking into account an interference of a number of factors exerted onto the fertilizing values and the mechanical strength of the final products. The fertilizers (contain ash from brown coal) obtained according to that method are characterized by a sufficient (according to law) content of organic matter (35,73% w/w), total nitrogen (1,70% w/w), phosphorus P2 O5 (3,62% w/w) and after the modification, also potassium K2O (8,43% w/w). The mechanical properties are better for the granulates, prepared by using pressure granulation (15,1 kG/cm2) and allow for their transportation, storage and application.

Keywords

EN

organic and mineral fertilizers; sludge; volatile ashes; granulation

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2007
• Volume: 9
• Issue: 4
• Pages: 36-39

Dates

published

1 - 12 - 2007

online

30 - 1 - 2008

Contributors

author

Czesława Rosik-Dulewska

author

Jolanta Robak

• Institute for Chemical Processing, Coal (IChPW), 41-803 Zabrze, ul. Zamkowa 1

author

Katarzyna Głowala

• Institute of Environmental Engineering, Polish Academy of Science, 41-819 Zabrze, ul. M. Skłodowskiej-Curie 34, Poland

References

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Identifiers

DOI

10.2478/v10026-007-0085-9