1. School of Chemical Engineering Northwest University Xi'an China
2. Chemical Engineering Research Center of the Ministry of Education for Advanced Use Technology of Shanbei Energy, Shaanxi Research Center of Engineering Technology for Clean Coal Conversion Northwest University Xi'an China
3. International Science & Technology Cooperation Base of MOST for Clean Utilization of Hydrocarbon Resources Collaborative Innovation Center for Development of Energy and Chemical Industry in Northern Shaanxi Xi'an China