The CNPC Key Laboratory of Catalysis;
China University of Petroleum;
Beijing 102249;
China;
Institute of Special Chemicals;
Taiyuan University of Technology;
Taiyuan 030024;
China;
Institute of Daqing Petro Chemical;
Daqing 163714;
China;
MCM-48; zeolite secondary building units; triethanolamine; heavy aromatic hydrocarbons;