1. School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China
2. School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
3. State Key Laboratory of Motor Vehicle Biofuel Technology, Zhengzhou University, Zhengzhou 450001, Henan, China
4. Waste Technologies LCC, Bridgeport, CT-06606, USA