Abstract:
:A novel integrated process with three-dimensional electro-Fenton (3D EF) and biological activated carbon (BAC) was employed in advanced treatment of biologically pretreated Lurgi coal gasification wastewater. SAC-Fe (sludge deserved activated carbon from sewage and iron sludge) and SAC (sludge deserved activated carbon) were used in 3D EF as catalytic particle electrodes (CPEs) and in BAC as carriers respectively. Results indicated that 3D EF with SAC-Fe as CPEs represented excellent pollutants and COLOR removals as well as biodegradability improvement. The efficiency enhancement attributed to generating more H2O2 and OH. The integrated process exhibited efficient performance of COD, BOD5, total phenols, TOC, TN and COLOR removals at a much shorter retention time, with the corresponding concentrations in effluent of 31.18, 6.69, 4.29, 17.82, 13.88mg/L and <20 times, allowing discharge criteria to be met. The integrated system was efficient, cost-effective and ecological sustainable and could be a promising technology for engineering applications.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Hou B,Han H,Zhuang H,Xu P,Jia S,Li Kdoi
10.1016/j.biortech.2015.07.068subject
Has Abstractpub_date
2015-11-01 00:00:00pages
721-5eissn
0960-8524issn
1873-2976pii
S0960-8524(15)01030-5journal_volume
196pub_type
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