1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, People’s Republic of China
2. College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, People’s Republic of China
3. China Petroleum Engineering Co., Ltd., Beijing Company, CNPC, Beijing, People’s Republic of China
4. Safety and Environment Protection Department of Shengli Oilfield Company, Sinopec, Dongying, People’s Republic of China
5. China Resources Gas Co., Ltd., Zaozhuang Company, Zaozhuang, People’s Republic of China
6. Dongying Environmental Protection Agency, Dongying, People’s Republic of China