TY - JOUR
ID - 10.1016/j.jes.2014.11.003
TI - Removal kinetics of phosphorus from synthetic wastewater using basic oxygen furnace slag
AU - Chong Han
AU - Zhen Wang
AU - He Yang and Xiangxin Xue
VL - 27
IS - 4
PB -
SP - 21
EP - 29
PY -
JF - Journal of Environmental Sciences
JA - J. Environ. Sci.
UR - http://www.jesc.ac.cn/jesc_en/ch/reader/view_abstract.aspx?file_no=2015300403&flag=1
KW - Basic oxygen furnace slag;Phosphorus;Kinetics;Apparent rate constant
KW - Basic oxygen furnace slag;Phosphorus;Kinetics;Apparent rate constant
AB - Removal kinetics of phosphorus through use of basic oxygen furnace slag (BOF-slag) was investigated through batch experiments. Effects of several parameters such as initial phosphorus concentration, temperature, BOF-slag size, initial pH, and BOF-slag dosage on phosphorus removal kinetics were measured in detail. It was demonstrated that the removal process of phosphorus through BOF-slag followed pseudo-first-order reaction kinetics. The apparent rate constant (kobs) significantly decreased with increasing initial phosphorus concentration, BOF-slag size, and initial pH, whereas it exhibited an opposite trend with increasing reaction temperature and BOF-slag dosage. A linear dependence of kobs on total removed phosphorus (TRP) was established with kobs = (3.51 ± 0.11) × 10-4 × TRP. Finally, it was suggested that the Langmuir-Rideal (L-R) or Langmuir-Hinshelwood (L-H) mechanism may be used to describe the removal process of phosphorus using BOF-slag.
ER -