Hits:
Indexed by:期刊论文
Date of Publication:1996-01-01
Journal:煤炭转化
Included Journals:CSCD
Volume:19
Issue:1
Page Number:53
ISSN No.:1004-4248
Key Words:炭分子筛; 铁物类; Mossbauer谱; 空分
Abstract:用M ssbauer谱法测定了载铁炭分子筛中铁的存在形态。结果表明,经焙烧和还原后,担载在炭分子筛上的Fe(NO_3)_3有75%~77%转变为Fe_2O_3,FeO,Fe(NO_3)_2和Fe_3O_4,其中有益于提高炭分子筛空分选择性的磁性Fe_3O_4的含量约29%.