| Literature DB >> 17951055 |
E Marañón1, I Vázquez, J Rodríguez, L Castrillón, Y Fernández, H López.
Abstract
Coke wastewater is a highly toxic industrial effluent which is usually treated by a combination of physico-chemical and biological treatments. With the aim of completing prior studies carried out in CSTR, in this work we studied the treatment of coke wastewater in a pilot plant equipped with a 400 L stripping tank, a 350 L neutralization/homogenization tank and a 6 m high 1500 L sequential batch reactor (SBR), controlled by a PLC. Ammonia stripping efficiencies of 96% were obtained for HRT of 66 h. The biological treatment in the SBR led to removal efficiencies of 85% COD, 98% thiocyanate and 99% phenols for HRT of 115 h. Final concentrations in the effluent of 1.8 mg phenols/L, 5.4 mg SCN/L, 206 mg COD/L and 78 mg N-NH(4)(+)/L were obtained.Entities:
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Year: 2007 PMID: 17951055 DOI: 10.1016/j.biortech.2007.08.081
Source DB: PubMed Journal: Bioresour Technol ISSN: 0960-8524 Impact factor: 9.642