煤基管状导电炭膜的性能研究

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本文以煤为原料,通过选用不同形状造孔剂调节炭膜的孔结构性能,系统地考察了造孔剂添加量及造孔剂形状对炭膜孔结构性能、机械强度和导电性的影响。同时研究了不同孔结构炭膜对高浓度罗丹明B溶液的处理性能,实验结果表明:(1)PVB和聚丙烯有机纤维造孔剂热解后析出气溢出分别留下海绵状孔和直通孔,添加混合造孔剂炭膜具有直通孔贯通大量海绵状孔的多级孔道结构,炭膜最大孔径和平均孔径增大;炭膜的孔隙率、最大孔径、平均孔径、N_2通量及渗透通量均随造孔剂添加量增加而增大,但炭膜的抗压强度、导电性和对罗丹明B及COD的去除
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