期刊
BIORESOURCE TECHNOLOGY
卷 247, 期 -, 页码 1206-1209出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.09.019
关键词
Coking wastewater; Integrated process; Polyamidoamine dendrimers; Cyanide removal; Effluent toxicity
资金
- National Science Foundation of China [51203117]
- Chinese Scholarship Committee (CSC) scholarship [201606260184]
A novel integrated process of coagulation and adsorption was proposed for the advanced treatment of biologically pretreated coking wastewater. Results of laboratory, pilot, and industrial-scale experiments indicated that this one-step novel process can remove biorefractory pollutants, achieving the maximum chemical oxygen demand (COD) and cyanide removals of around 85.3% and 99.4%, respectively. Its effluent could meet the corresponding discharge standards without any further treatment, i.e., COD < 30 mg/L, cyanide < 0.1 mg/L, and improved effluent safety (lower toxicity). The easy operation and high efficiency of this method reflect its engineering- application potential in the tertiary treatment of coking wastewater.
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