Composting of household organic waste: effect on control parameters and final compound quality

Autores

  • Maico Chiarelotto Universidade Tecnológica Federal do Paraná - Campus Francisco Beltrão
  • Willian Chucchi Bottin Universidade Tecnológica Federal do Paraná - Campus Francisco Beltrão
  • Cristian Eduardo Spicker Universidade Tecnológica Federal do Paraná Campus Francisco Beltrão
  • Savio Silva Duarte Universidade Tecnológica Federal do Paraná Campus Francisco Beltrão
  • Marilete Chiarelotto Prefeitura Municipal de Marmeleiro, Paraná
  • Marlene Magnoni Bortoli Universidade Tecnológica Federal do Paraná - Campus Medianeira

DOI:

https://doi.org/10.18227/1982-8470ragro.v12i4.5126

Palavras-chave:

Degradação aeróbia. Tratamento. Resíduos sólidos urbanos.

Resumo

It is estimated that 51% of Brazilian urban solid waste is composed of organic material, which has a high recyclability potential via alternative processes. One means of optimization and recycling this fraction would be the popularization of household composting and the dissemination of means of attaining it. The current study objective, therefore, was to evaluate control characters of the household organic residue composting process, test final organic compound product quality and investigate the feasibility of conducting such processes in urban dwellings. Organic residues were collected for three days, distributed over a week, in 20 residences of the urban area of Marmeleiro municipality, Paraná State, southern Brazil. A compost heap was set up with an initial mass of 137.21 kg of organic material. During the degradation process, temperature, dry mass, volume, pH, electrical conductivity, phytotoxicity, volatile solids, total organic carbon exothermic accumulation, and loss of organic matter were measured. At the end of the process, the CTC, CTC:COT, total nitrogen and C:N ratio were also determined. Throughout the composting process it was recorded that the germination index went from 45.27 to 109.43, as the material changed from being dominated by phytotoxic compounds to phytostimulants. In addition, organic compound CTC increased from 27.2 to 57.8, showing organic material degradation occurred in only 37 days. The experimental analysis of the degradation process, has shown that treatment of urban organic waste in compost heaps is both viable and safe under domestic circumstances.

Biografia do Autor

Maico Chiarelotto, Universidade Tecnológica Federal do Paraná - Campus Francisco Beltrão

Técnico em Meio Ambiente - IFPR Bacharel em Engenharia Ambiental - UTFPR/FB Mestre em Engenharia Agrícola - UNIOESTE/Cascavel Doutorando em Engenharia Agrícola - UNIOESTE/Cascavel Professor Magistério Superior curso de Engenharia Ambiental, UTFPR Francisco Beltrão

Willian Chucchi Bottin, Universidade Tecnológica Federal do Paraná - Campus Francisco Beltrão

Acadêmico do curso de Engenharia Ambiental - UTFPR Francisco Beltrão

Cristian Eduardo Spicker, Universidade Tecnológica Federal do Paraná Campus Francisco Beltrão

Acadêmico do curso de Engenharia Ambiental - UTFPR Francisco Beltrão

Savio Silva Duarte, Universidade Tecnológica Federal do Paraná Campus Francisco Beltrão

Acadêmico do curso de Engenharia Ambiental - UTFPR Francisco Beltrão

Marilete Chiarelotto, Prefeitura Municipal de Marmeleiro, Paraná

Bióloga UNIPAR Mestre em desenvolvimento regional sustentável - UNIOESTE Chefe da divisão de resíduos sólidos do município de Marmeleiro-PR.

Marlene Magnoni Bortoli, Universidade Tecnológica Federal do Paraná - Campus Medianeira

Graduação em licenciatura em química. Mestre em Engenharia Agrícola - UNIOESTE Docente da Universidade Tecnológica Federal do Paraná - Campus Medianeira

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Publicado

30/12/2018

Edição

Seção

Original Scientific Article