<b>Sequencing batch reactor for treatment of chemical laboratory wastewater</b> - DOI: 10.4025/actascitechnol.v25i2.2167

Authors

  • Claudia Telles Benatti UEM
  • Celia Regina Granhen Tavares Engenharia Quí­mica - UEM
  • Benedito Prado Dias Filho UEM
  • Mateus Pinatto Gaspar UEM

DOI:

https://doi.org/10.4025/actascitechnol.v25i2.2167

Keywords:

efluente de laboratório, reator batelada seqí¼encial, RBS, precipitação com hidróxido

Abstract

The wastewater from academical chemical laboratories is generally composed of organic matter and a wide range of chemicals and heavy metals, being one of the most difficult wastewaters for treating. The treatment consisted of hydroxide precipitation and of a biological treatment using a sequencing batch reactor (SBR). Each cycle of the SBR system was operated for 24h with FILL/REACT, SETTLE and DRAW/IDLE periods in the ratio of 20:3.5:0.5. The reactor was fed with a mixture of domestic and laboratory wastewaters to minimize the inhibitory effect of laboratory wastewater on the microorganisms bioactivity. Kinetic studies conducted for the FILL/REACT and SETTLE periods showed that the effluent has difficult biodegradability, reaching a COD reduction of 11%.

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Author Biography

Celia Regina Granhen Tavares, Engenharia Quí­mica - UEM

Possui graduação em Engenharia Quí­mica pela Universidade Federal do Pará (1978), mestrado em Engenharia Quí­mica pela Universidade de São Paulo (1982), doutorado em Engenharia Quí­mica pela Universidade Federal do Rio de Janeiro (1992) e pós-doutorado em Engenharia Ambiental pela Université Montpellier II (1997-1998). Atualmente é professora associado ní­vel c da Universidade Estadual de Maringá. Tem experiência nas áreas de Engenharia Quí­mica e Engenharia Sanitária e Ambiental, com ênfase em Técnicas Avançadas de Tratamento de Efluentes, Tratamento Biológico de Efluentes Lí­quidos, Gestão e Tratamento de Resí­duos Sólidos e Gererenciamento e Monitoramento de Recursos Hí­dricos, atuando principalmente nos seguintes temas: Leito Fluidizado, Biossorcao, Adsorção, Resí­duo Sólido, Foto-oxidação catalí­tica, Processo de Tratamento com Reagente Fenton e Processos com Membranas. Currí­culo Lattes

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Published

2008-04-15

How to Cite

Benatti, C. T., Tavares, C. R. G., Dias Filho, B. P., & Gaspar, M. P. (2008). <b>Sequencing batch reactor for treatment of chemical laboratory wastewater</b> - DOI: 10.4025/actascitechnol.v25i2.2167. Acta Scientiarum. Technology, 25(2), 141–145. https://doi.org/10.4025/actascitechnol.v25i2.2167

Issue

Vol. 25 No. 2 (2003)

Section

Chemical Engineering

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0.8
2019CiteScore
 
 
36th percentile
Powered by  Scopus

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