|本期目录/Table of Contents|

[1]张迪男,蒋先军.不同pH值紫色土对NH+4的吸附动力学[J].江苏农业科学,2014,42(11):375-377.
 Zhang Dinan,et al(7).Absorption kinetics of purple soil with different pH values to NH+4[J].Jiangsu Agricultural Sciences,2014,42(11):375-377.
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不同pH值紫色土对NH+4的吸附动力学(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第42卷
期数:
2014年11期
页码:
375-377
栏目:
资源与环境
出版日期:
2014-11-25

文章信息/Info

Title:
Absorption kinetics of purple soil with different pH values to NH+4
作者:
张迪男 蒋先军
西南大学资源环境学院,重庆北碚 400716
Author(s):
Zhang Dinanet al(375)
关键词:
NH+4吸附解吸pH值等温吸附方程
Keywords:
-
分类号:
S158.3
DOI:
-
文献标志码:
A
摘要:
研究了不同pH值条件下紫色土对NH+4的吸附/解吸性能。结果表明:3种pH值的紫色土对NH+4的吸附量和解吸量均随着加入NH+4浓度的增大而增大,其中pH值为6.0的紫色土的最大吸附量是10.3 mg/g,最大解吸量是7.96 mg/g;pH值为7.2的紫色土的最大吸附量是12.8 mg/g,最大解吸量是4.62 mg/g;pH值为8.0的紫色土的最大吸附量是13.5 mg/g,最大解吸量是2.23 mg/g。Freundlich方程能很好地描述紫色土对NH+4的等温吸附动力学过程,其R值均在0.95以上。本研究表明紫色土对NH+4的吸附属于不均匀表面的多分子层吸附。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2013-01-06
基金项目:国家自然科学基金(编号:41271267);国家科技支撑计划(编号:2013BAJ11B03);公益性行业(环保)科研专项(编号2013467036)。
作者简介:张迪男(1990—),女,贵州铜仁人,硕士研究生,主要从事土壤肥力与生态研究。E-mail:zhangdn3@sina.com。
通信作者:蒋先军,博士,教授,博士生导师,主要从事土壤化学与生物化学研究。E-mail:jiangxj@swu.edu.cn。
更新日期/Last Update: 2014-11-25