Artigo de periodico

Phosphorus recovery from sewage with a sustainable and low-cost treatment system (2019)

• Authors:
  • Chaves, Vitor Tonzar
  • Morita, Dione Mari
  • Chao, Iara Regina Soares
  • Contrera, Ronan Cleber
• USP affiliated authors: MORITA, DIONE MARI - EP ; CONTRERA, RONAN CLEBER - EP
• Unidade: EP
• DOI: 10.2166/wst.2019.332
• Subjects: LODO DE ESGOTO; TRATAMENTO DE ESGOTOS SANITÁRIOS; FÓSFORO; SUSTENTABILIDADE
• Agências de fomento:
  • Financiado pelo CNPq
• Language: Inglês
• Abstract: This study proposes a technology conceived based on an integrative approach that aims to promote phosphorus recovery and to recycle ferric water treatment sludge (FWTS), using it as a phosphorus adsorbent which may be applied as a soil ameliorant after reaching saturation. The assessed pilot plant operated with a daily influent flow of 360 litres and presented a removal efficiency of 94.4% ± 3.2% for chemical oxygen demand (COD) and of 91.2% ± 7.8% for suspended solids. It also presented promising results for phosphorus removal. The maximum efficiency of dissolved reactive phosphorus removal was 95% on the first day and it decreased until reaching adsorbent saturation. The estimated breakthrough time was one year in the condition in which the filling medium of a second constructed wetland was only FWTS. In this situation, the effluent phosphorus concentration was 0.2 mg·L−1. The authors concluded that the application of FWTS in a constructed wetland bed is an interesting alternative. Batch adsorption experiments were run using phosphorus stock solution. Langmuir and Freundlich adsorption isotherm models were obtained for different initial pH values. The maximum adsorption capacity decreased as the initial pH was increased; values ranged from 4.76 mg P·g−1 (pH = 3.9) to 1.44 mg P·g−1 (pH = 9.0).
• Imprenta:
  • Publisher place: London
  • Date published: 2019
• Source:
  • Título: Water Science and Technology
  • ISSN: 0273-1223
  • Volume/Número/Paginação/Ano: v. 80, n.5, p. 846–854, 2019

Informações sobre o DOI: 10.2166/wst.2019.332 (Fonte: oaDOI API)
• Este periódico é de acesso aberto
• Este artigo NÃO é de acesso aberto
  

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• ABNT

  CHAVES, Vitor Tonzar et al. Phosphorus recovery from sewage with a sustainable and low-cost treatment system. Water Science and Technology, v. 80, n. 5, p. 846–854, 2019Tradução . . Disponível em: https://doi.org/10.2166/wst.2019.332. Acesso em: 05 mar. 2026.

• APA

  Chaves, V. T., Morita, D. M., Chao, I. R. S., & Contrera, R. C. (2019). Phosphorus recovery from sewage with a sustainable and low-cost treatment system. Water Science and Technology, 80( 5), 846–854. doi:10.2166/wst.2019.332

• NLM

  Chaves VT, Morita DM, Chao IRS, Contrera RC. Phosphorus recovery from sewage with a sustainable and low-cost treatment system [Internet]. Water Science and Technology. 2019 ; 80( 5): 846–854.[citado 2026 mar. 05 ] Available from: https://doi.org/10.2166/wst.2019.332

• Vancouver

  Chaves VT, Morita DM, Chao IRS, Contrera RC. Phosphorus recovery from sewage with a sustainable and low-cost treatment system [Internet]. Water Science and Technology. 2019 ; 80( 5): 846–854.[citado 2026 mar. 05 ] Available from: https://doi.org/10.2166/wst.2019.332

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