2. Experimental
2.1 Materials and related details
Fifteen PPS-based bag filter materials were kindly provided by Xiamen Savings Environmental Co., Ltd., which were collected from coal-fired power plants with various loading units in China. According to the power of loading units, above samples could be classified into three categories: below 200 MW (sample 1#-5#), 200-300 MW (sample 6#-10#) and above 300 MW (sample 11#-15#).
Table 1. Sample labels and related parameters under the loading units below 200 MW.