Fig. 10 shows that NH3 desorption profile of fresh Dowex (TM) Dr-G8 havetwo peaks at 200–350 ◦ C and 350–450 ◦ C, respectively, indicating that there are two types of acid sites with different intensity.
Fig. 10 shows that NH3 desorption profile of fresh Dowex (TM) Dr-G8 havetwo peaks at 200–350◦C and 350–450◦C, respectively, indicatingthat there are two types of acid sites with different intensity.