Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 384, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2019.121470
Keywords
Synergistic removal; Biochar; Steam activation; Copper; Tetracycline
Categories
Funding
- Program for the National Natural Science Foundation of China [51879101, 51579098, 51779090, 51709101, 51521006, 51809090, 51278176, 51378190]
- National Program for Support of Top-Notch Young Professionals of China (2014)
- Program for Changjiang Scholars and Innovative Research Team in University [IRT-13R17]
- Hunan Provincial Science and Technology Plan Project [2016RS3026, 2017SK2243, 2018SK20410]
- Fundamental Research Funds for the Central Universities [531109200027, 531107051080, 531107050978]
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Steam-activated biochar (SBC) was prepared and showed excellent performance for synergistic removal of Cu2+ and tetracycline (TC). The adsorption capacity of SBC and mutual effect of TC and Cu2+ were investigated via single and binary system and the adsorption isotherm. The adsorption capacity of TC was significantly enhanced when it coexisted with Cu2+. Likewise, increased amounts of Cu2+ were adsorbed in the presence of TC. The presence of NaCl exerted a negative influence on the adsorption of Cu2+, while the inhibitory effect of salinity on TC was neutralized by bridge enhancement in the binary system. Bridge enhancement and site competition were involved in the synergistic removal of TC and Cu2+. Considering the stable application in simulated and real water samples, SBC showed great potential for synergistic removal of antibiotics and heavy metals.
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