张蕾,沙响玲,张磊,舒浩,王瑞,汪佳佳

• 1:西安科技大学地质与环境学院
• 2:中国重型机械研究院股份公司
• 3:广东晟鑫环保科技有限公司西安分公司

摘要(Abstract)：

采用等离子体与柠檬酸溶胶-凝胶相结合的方法制备LaCoO_3催化剂,考察等离子体焙烧功率、等离子体焙烧时间、搅拌温度、柠檬酸浓度等不同制备条件对催化剂脱硝活性的影响。结果表明,等离子体的焙烧功率为60 W时,催化剂中的有机物完全去除,并且避免了烧结作用的发生;焙烧时间为3 min时,有机物质可完全分解,催化剂晶体均匀分布;搅拌温度为50℃时可明显提高晶粒的分散程度,同时避免团聚现象的发生;柠檬酸的浓度不会影响催化剂的晶体结构,对脱硝性能的影响非常小。

关键词(KeyWords)： 等离子体;氮氧化物;柠檬酸溶胶-凝胶;钙钛矿型催化剂

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金青年基金(41202176);; 陕西省科技统筹创新工程计划项目(2012KTZB03-01-02);; 国土资源部煤炭资源勘察与综合利用重点实验室开放课题资助项目(KF2015-1)

作者(Author): 张蕾,沙响玲,张磊,舒浩,王瑞,汪佳佳

DOI: 10.13289/j.issn.1009-6264.2016.10.007

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