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Release of phosphorus species in different extractors from hydrochar obtained with residues of the sugarcane industry

Grant number: 14/10368-8
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): July 01, 2014
Effective date (End): June 30, 2016
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Camila de Almeida Melo
Grantee:Daniely Reis Santos
Host Institution: Instituto de Biociências, Letras e Ciências Exatas (IBILCE). Universidade Estadual Paulista (UNESP). Campus de São José do Rio Preto. São José do Rio Preto , SP, Brazil


The search for alternative energy sources to replace fossil fuels have caused wastes were generated in the environment. Ethanol production and concomitantly sugar from sugar cane appears to be quite satisfactory from the point of view of energy, but the large amount of biomass residues generated by sugarcane industries generate concerns from an environmental standpoint. Thus, the race for new technologies that aim to minimize the environmental impacts of waste and/or add value and applicability of these residues in the productive cycle of the industry itself and, above all, investing scarce resources is increasing. The hydrothermal carbonization is a technique to thermally convert wet biomass in a solid carbon -rich material called hidrochar (or hydrothermal carbon). Main advantage of this technique is the possibility of direct use of biomass in the process without any prior treatment. Thus, the key residues of the sugarcane industry, vinasse and bagasse can be used in the hydrothermal carbonization process and deliver the final product as a material rich in carbon and other nutrients such as phosphorus, which can be used as release fertilizer slow. Thus, the objective of this research project is to evaluate the release of orthophosphate and pyrophosphate species using different extractants from hidrochar produced using waste stillage and sugar cane bagasse by hydrothermal carbonization process.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LARANJA, MARCIO J.; JUNIOR, FRANCISCO H. S.; NOGUEIRA, GABRIELA A.; VIEIRA, LAIS H. S.; OLIVEIRA, NAIARA C.; SOARES, JOAO M.; CORDEIRO, CARLOS H. N.; OTUBO, LARISSA; MOREIRA, ALTAIR B.; FERREIRA, ODAIR P.; et al. Valorisation of sugar cane bagasse using hydrothermal carbonisation in the preparation of magnetic carbon nanocomposite in a single-step synthesis applied to chromium adsorption. JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, v. N/A, p. 15-pg., . (18/15733-7, 15/22954-1, 17/26718-6, 17/13230-5, 21/09126-3, 13/21776-7, 14/22400-3, 12/23066-4, 11/00574-1, 14/10368-8)
SANTOS, DANIELY REIS; CUNHA, OTAVIO DA MATA; BISINOTI, MARCIA CRISTINA; FERREIRA, ODAIR PASTOR; MOREIRA, ALTAIR BENEDITO; MELO, CAMILA ALMEIDA. Hydrochars produced with by-products from the sucroenergetic industry: a study of extractor solutions on nutrient and organic carbon release. Environmental Science and Pollution Research, v. 26, n. 9, p. 9137-9145, . (14/22400-3, 13/21776-7, 14/10368-8)

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