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Grant number: 13/00744-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): April 01, 2013
Effective date (End): March 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal researcher:Maria Olímpia de Oliveira Rezende
Grantee:Ramom Rachide Nunes
Home Institution: Instituto de Química de São Carlos (IQSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):14/05041-0 - Spectroscopic study of vermicomposting dynamics of waste from leather industry (tannery) for production of plants with economic interest, BE.EP.DR


Industrial activity for leather production generates large amount of potentially polluting waste, rich in organic and inorganic toxic substances, especially chromium. This scenario is present in several regions of Brazil, especially the mesoregion of Bauru - São Paulo State, Brazil, polo reference in this industry segment. Waste generated in leather processing and production comprises mainly the solid fraction (tanned shavings and chips) and also the sludge treatment plants. An alternative to the environmental problem involving these residues would transform them into organic compounds noble, in which the vermicompost is presented as a viable alternative. Vermicomposting is a type of composting in which emphasizes the action of detritivore earthworms and microorganisms in your digestive tract. The results reported in the literature are promising, but restricted the prism of agriculture and other agricultural sciences. In this work, the waste will be fresh and chemically analyzed via spectroscopic methods. Moreover, the whole process of vermicomposting will be monitored from start to obtain the vermicompost in biweekly analysis. At the end of this step, the vermicompost will be incorporated into the soil and then applied to the cultivation of green bell pepper (Capsicum annuum L.) plant to develop demand certain amount of chromium in the soil. Thus, this study aims to determine the potential use of industrial waste produced during industrial processing of leather, featuring vermicomposting as an alternative for this environmental liabilities, performing a chemical and spectroscopic study of the dynamics of this process, indicating the path and phenomena occurring along the humification of organic matter.

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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)
NUNES, RAMOM R.; BONTEMPI, RHAISSA M.; MENDONCA, GIOVANE; GALETTI, GUSTAVO; REZENDE, MARIA OLIMPIA O. Vermicomposting as an advanced biological treatment for industrial waste from the leather industry. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMIN, v. 51, n. 5, p. 271-277, MAY 3 2016. Web of Science Citations: 2.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
. Vermicomposting as technology applied to the recycling and reuse of tannery waste: a chemical and agronomic study aimed at the organic production of sweet pepper in greenhouse. 2017. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Química de São Carlos (IQSC/BT) São Carlos.

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