Efficiency evaluation of activated sludge treatments of wastewater from fiber board manufacturing
✍ Scribed by M. C. Diez; L Inostroza; S. Ramírez
- Publisher
- Springer Netherlands
- Year
- 1996
- Tongue
- English
- Weight
- 359 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0141-5492
No coin nor oath required. For personal study only.
✦ Synopsis
Wastewater from fiber board manufacture consisting in a mixture ofPinus radiata, Eucaliptus globulus and LaureBopsis phillipiana (tepa) (3:1:1) has been studied in laboratory scale activated sludge reactors with organic load rate range of 50-1700 gCOD/m3.d. A stable operation at high organic load rate with hydraulic retention time of one day was achieved. Purification efflciencies up to 90% of COD removal could be achieved in an activated sludge treatment of fiber board wastewater working with 1 day HRT for wood log cooking wastewater and with 4 days HRT when glueing wastewater is added to the cooking wastewater treatment. Suspended solids, color and phenol concentration were negligible in the efluent of the activated sludge system.
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