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- Title
Energy consumption of treating textile wastewater for in-factory reuse by H 2 O 2 /UV process.
- Authors
Yen, Hsing Yuan
- Abstract
In this study, energy consumption and operation cost of using the H2O2/UV process to treat wastewater from a local textile factory were evaluated. The results showed that both decolorization and mineralization followed the pseudo-first-order reaction. Further, the electrical energy per order (EEO) was used as the figure of merit for electrical energy consumption. The values ofEEOfor UV power of 13 W were reduced from 7.15 to 3.90 kWh m−3 per order for dissolved organic carbon and from 3.25 to 1.73 kWh m−3 per order for color over the range of H2O2from 100 to 300 mg/L.EEOdecreased when either UV power or H2O2dose increased due to faster reaction. The obtained optimum cost was 0.36 US$/m3for decolorization and 0.52 US$/m3for mineralization, respectively. For practical application, proper selections of UV power and H2O2dose were required so that both cost and operation time could be optimized.
- Subjects
TEXTILE waste; WASTEWATER treatment; TEXTILE factories; ENERGY consumption research; CARBON content of water
- Publication
Desalination & Water Treatment, 2016, Vol 57, Issue 23, p10537
- ISSN
1944-3994
- Publication type
Article
- DOI
10.1080/19443994.2015.1039599