1College of Chemistry and Chemical Engineering, Taiyuan University of Technology,
Taiyuan 030024, PR China
2Research Center for Eco-Environmental Sciences in Shanxi,
Taiyuan 030009, PR China
3College of Mining Engineering, Taiyuan University of Technology,
Taiyuan 030024, PR China
Submission date: 2015-02-09
Acceptance date: 2015-12-19
Publication date: 2016-03-17
Pol. J. Environ. Stud. 2016;25(2):593–598