|本期目录/Table of Contents|

[1]丁永祯,李志安,邹碧,等.有机酸对珠江三角洲水稻土镉解吸行为的影响[J].应用与环境生物学报,2007,13(03):289-293.
 DING Yongzhen,et al..Effect of Organic Acids on Cadmium Desorption from Paddy Soil of the Pearl River Delta in China[J].Chinese Journal of Applied & Environmental Biology,2007,13(03):289-293.
点击复制

有机酸对珠江三角洲水稻土镉解吸行为的影响()
分享到:

《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
13卷
期数:
2007年03期
页码:
289-293
栏目:
综述
出版日期:
2007-06-25

文章信息/Info

Title:
Effect of Organic Acids on Cadmium Desorption from Paddy Soil of the Pearl River Delta in China
作者:
丁永祯李志安邹碧谭万能顾伟曹裕松
(1中国科学院华南植物园广州510650; 2中国科学院研究生院北京100039)
Author(s):
DING Yongzhenet al.
(1South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China) (2Graduate University of Chinese Academy of Sciences, Beijing 100039, China)
关键词:
关键词 镉(Cd)有机酸水稻土解吸吸附
Keywords:
Keywords cadmium organic acid paddy soil desorption adsorption
摘要:
摘要 用批平衡实验方法,研究了3种有机酸及其两两混合酸在一系列pH值梯度下(pH 3~7)对珠江三角洲沉积型水稻土镉(Cd)解吸的影响.结果表明,只有柠檬酸及含柠檬酸的混合酸在较低酸度区(pH>5)可以显著促进Cd的解吸,这一效应与浓度成正相关,而苹果酸、草酸及二者的混合酸在所试验酸度范围均促进了Cd吸附,特别是草酸,促进作用随浓度的升高而增强.在较低pH区(pH<5),苹果酸最有利于Cd解吸,在高pH区(pH≥5),柠檬酸最有利于Cd解吸,草酸的Cd解吸能力最低.混合有机酸交互作用不显著,对Cd解吸的影响约等于各个单独酸的作用之和,但在一些酸度条件下,可存在颉颃作用.图3 表2 参22
Abstract:
Abstract Cadmium is one of the most serious contaminants in cultivated lands in China. Its behavior can be affected by minor organic acids in soil. Batch equilibrium experiments were conducted to study the effects of three organic acids and their mixed solutions on Cd desorption from paddy soil of the Pearl River Delta in China at a serial media`s pH values from 3 to 7. Results showed that only citric acid and the mixed solutions containing it could significantly increase the desorption of Cd from the soil at pH higher than 50. The higher the concentration of citric acid, the more the desorbed Cd. Malic acid and oxalic acid and their mixed solutions all increased the adsorption of Cd from soil. Among the three acids, oxalic acid desorbed least Cd, malic acid most at low pH and citric acid most at high pH. Mixing organic acids did not increase or decrease Cd desorption in comparison with single acid alone. Cd desorption was contributed mainly to the individual acids, little to the interaction among the acids. Fig 3, Tab 2, Ref 22

相似文献/References:

[1]章爱群,贺立源,赵会娥,等.有机酸对不同磷源条件下土壤无机磷形态的影响[J].应用与环境生物学报,2009,15(04):474.[doi:10.3724/SP.J.1145.2009.00474]
 ZHANG Aiqun,HE Liyuan,ZHAO Huie,et al.Effect of Organic Acids on Inorganic Phosphorus Transformation in Soil with Different Phosphorus Sources[J].Chinese Journal of Applied & Environmental Biology,2009,15(03):474.[doi:10.3724/SP.J.1145.2009.00474]
[2]崔雨琪,方迪,毕文龙,等.一株黑曲霉的分离鉴定及其对土壤重金属的生物浸出效果[J].应用与环境生物学报,2014,20(03):420.[doi:10.3724/SP.J.1145.2014.11019]
 CUI Yuqi,FANG Di,BI Wenlong,et al.Isolation and identification of Aspergillus niger Y9 and its role in bioleaching of metal contaminants from soils[J].Chinese Journal of Applied & Environmental Biology,2014,20(03):420.[doi:10.3724/SP.J.1145.2014.11019]
[3]刘玉,魏洁,黄雄飞,等. 红树植物桐花树、秋茄的有机酸类根系分泌物组成及含量[J].应用与环境生物学报,2014,20(05):850.[doi:10.3724/SP.J.1145.2014.01037]
 LIU Yu,WEI Jie,HUANG Xiongfei,et al.Composition and contents of organic acids in root exudates of mangrove Aegiceras corniculatum and Kandelia candel[J].Chinese Journal of Applied & Environmental Biology,2014,20(03):850.[doi:10.3724/SP.J.1145.2014.01037]
[4]王广林,邓辉,聂丽,等.卵形孢球托霉Gongronella butleri NL-15对石灰岩的侵蚀机制[J].应用与环境生物学报,2018,24(02):374.[doi:10.19675/j.cnki.1006-687x.2017.05018]
 WANG Guanglin,DENG Hui,NIE Li,et al.Mechanism of limestone corrosion by Gongronella butleri NL-15[J].Chinese Journal of Applied & Environmental Biology,2018,24(03):374.[doi:10.19675/j.cnki.1006-687x.2017.05018]

更新日期/Last Update: 2007-07-04