Funding for this research was provided by:
National Natural Science Foundation of Ningxia (NZ17094)
National Natural Science Foundation of China (21266001)
Ningxia scientific and technological innovation leading personnel training (KJT2017006)
State Key Laboratory of Civil Committee Chemical Technology (2016HG03)
Ningxia low-grade resource high value utilization and environmental chemical integration technology innovation team project
Article History
First Online: 15 December 2018