1. College of Bioresources Chemical and Materials EngineeringShaanxi University of Science & Technology Xi'an 710021 Shaanxi P.R. China
2. The Youth Innovation Team of Shaanxi Universities Xi'an 710021 Shaanxi P.R. China
3. Key Laboratory of Pulp and Paper Science&Technology of Ministry of Education/Shandong ProvinceQilu University of Technology (Shandong Academy of Sciences) Jinan 250353 Shandong P.R. China
4. Nanyang Environment & Water Research InstituteNanyang Technological University 1 Cleantech Loop, CleanTech One Singapore 637141 Singapore
5. School of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
6. National Demonstration Center for Experimental Light Chemistry Engineering EducationShaanxi University of Science & Technology Xi'an 710021 Shaanxi P.R. China