Reator batelada seqüencial para o tratamento de efluente químico de laboratório
| Autor: | Célia Regina Granhen Tavares, Mateus Pinatto Gaspar, Benedito Prado Dias Filho, Claudia Telles Benatti |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
chemistry.chemical_classification
General Computer Science Waste management General Mathematics Microorganism General Engineering General Physics and Astronomy Sequencing batch reactor General Chemistry Chemical laboratory Biodegradation chemistry.chemical_compound chemistry Wastewater General Earth and Planetary Sciences Environmental science Hydroxide Organic matter Effluent |
| Zdroj: | Acta Scientiarum. Technology. 25 |
| ISSN: | 1807-8664 1806-2563 |
| Popis: | 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%. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|