杨凤林
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低有机碳含量表层土中Fe2O3对γ-666光解的催化作用
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Indexed by:期刊论文

Date of Publication:2002-03-30

Journal:环境科学

Included Journals:Scopus、PubMed、PKU、ISTIC

Volume:23

Issue:2

Page Number:92-95

ISSN No.:0250-3301

Key Words:表层土;γ-666;光解;Fe2O3;催化作用

Abstract:考察5种低有机碳含量天然土中Fe2O3光催化降解γ-666的光解动力学,γ-666的光解符合准一级动力学方程.从所得的γ-666光解动力学常数可知,随Fe2O3质量分数从0.40%增加到5.40%,γ-666的一级光解动力学常数也增大,且两者的线性相关系数为0.952,其在5种天然土中的半衰期随Fe2O3含量的增加依次为133.3h,82.5h,44.1h,28.5h,20.4h.由此可见,低有机碳含量天然土中Fe2O3对γ-666的光解具有明显的催化作用.

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Gender:Male

Alma Mater:大连工学院

Degree:Master's Degree

School/Department:环境学院

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