1. School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Road, Hongqiao District, Tianjin 300130, China
2. College of Mechatronics and Control Engineering, Shenzhen University, Houhai Ave, Nanshan District, Shenzen, Guangdong Province, 518060, China
3. University of Rwanda, College of Science and Technology, 3900 Kigali, Rwanda