1. Institute for Mechanical Process Engineering (AVT.MVT), RWTH Aachen University; Aachen 52064 Germany
2. Chair for Numerical Mathematics, RWTH Aachen University; Aachen 52062 Germany
3. School of Chemical Engineering and Technology; Sun Yat-sen University; Guangzhou 510275 China
4. Institute for Process Systems Engineering (AVT.SVT), RWTH Aachen University; Aachen 52064 Germany