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黏土掺混型烟气脱硝蜂窝催化剂的制备及性能
郭凤; 牟洋; 余剑; 初茉; 许光文
2013
Source Publication煤炭转化
Issue03Pages:90-97
Abstract在NH3-SCR脱硝保证催化剂活性前提下,在蜂窝体成型过程中添加高含量的黏土与助剂来减少SCR催化剂活性组分的使用量,可降低烟气脱硝SCR催化剂的成本.考察了不同黏土与成型助剂对蜂窝体物理性能的影响,优化了助剂的添加比例.将优化的黏土成型工艺及参数应用于掺混黏土型蜂窝SCR脱硝催化剂的制作,通过模拟烟气评价催化活性,比较了催化剂的添加量对掺混黏土型蜂窝SCR脱硝催化剂的催化活性及抗硫抗水稳定性的影响.结果表明:以黏土为基本载体的蜂窝SCR催化剂具有较高的催化活性,在固定氨氮比0.8,空速4 050h-1的条件下,自制催化剂2%V2O5-5%WO3/TiO2掺混70%(质量分数)黏土A制得的蜂窝催化剂在250℃时的脱硝率为89%,活性温度窗口为250℃~450℃.170h的抗硫抗水实验中仅在250℃时活性稍有降低,但一直稳定在77%以上,可满足中低温脱硝催化剂的应用要求.
Keyword黏土 脱硝 蜂窝催化剂 Scr
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/9916
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
郭凤,牟洋,余剑,等. 黏土掺混型烟气脱硝蜂窝催化剂的制备及性能[J]. 煤炭转化,2013(03):90-97.
APA 郭凤,牟洋,余剑,初茉,&许光文.(2013).黏土掺混型烟气脱硝蜂窝催化剂的制备及性能.煤炭转化(03),90-97.
MLA 郭凤,et al."黏土掺混型烟气脱硝蜂窝催化剂的制备及性能".煤炭转化 .03(2013):90-97.
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