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Open Access Solubilization of Renewable Phosphorus Sources with Organic Acids Produced by Bacillus megaterium

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The aim of this work was to evaluate the effects of using B. megaterium in solubilization of phosphates from different secondary raw materials, such as fish bones, poultry bones, ashes and phosphorite, by identification of the effect of different doses of phosphorus-bearing materials on the growth of microbial cells and the effectiveness of the solubilization process. Both FTIR as well as SEM-EDX techniques were used to compare the effect of the acids on renewable phosphorus source. Two doses of mentioned materials were used: 2 and 30 g/L. The effect of solubilization was expressed as the solubilization factor (SF, %), defined as the ratio (expressed as percentage) of soluble P2O5 present in the solution and total phosphorus (expressed as P2O5) introduced into solubilization medium in the solid form. The evaluated SF ranged between 0.672% obtained for phosphorite (30 g/L) and 85% for fish bones (2 g/L) with variations among different sources of phosphate and different doses used in the experiment.

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Keywords: ASH; BACILLUS MEGATERIUM; BONE; FISH BONE; MICROBIAL SOLUBILIZATION; PHOSPHORITE

Document Type: Research Article

Publication date: 01 January 2017

This article was made available online on 22 April 2017 as a Fast Track article with title: "Solubilization of Renewable Phosphorus Sources with Organic Acids Produced by Bacillus megaterium".

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  • The Journal of Renewable Materials (JRM) publishes high quality peer reviewed original research on macromolecules and additives obtained from renewable/biobased resources. Utilizing a multidisciplinary approach, JRM introduces cutting-edge research on biobased monomers, polymers, additives (both organic and inorganic), their blends and composites. It showcases both fundamental aspects and new applications for renewable materials. The fundamental theories and topics pertain to chemistry of biobased monomers, macromoners and polymers, their structure-property relationship, processing using sustainable methods, characterization (spectroscopic, morphological, thermal, mechanical, and rheological), bio and environmental degradation, and life cycle analysis. Demonstration of use of renewable materials and composites in applications including adhesives, bio and environmentally degradable structures, biomedicine, construction, electrical & electronics, mechanical, mendable and self-healing systems, optics, packaging, recycling, shape-memory, and stimulus responsive systems will be presented.
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