1. Shaanxi Province Key Laboratory of Environmental Pollution Control and Reservoir Protection Technology of Oilfields Xi'an Shiyou University Xi'an China
2. Institute of Inorganic Chemistry, Slovak Academy of Sciences Bratislava Slovakia
3. Institute of Construction and Architecture, Slovak Academy of Sciences Bratislava Slovakia
4. School of Chemistry and Chemical Engineering Yulin University Yulin China
5. State Key Laboratory of Petroleum Pollution Control, CNPC Research Institute of Safety and Environmental Technology Beijing China