HUANG Dong-ya,LI Ting,ZHANG Shui-ou,et al.Study on the Effects of Heavy Metal Adsorption Materials on Soil Heavy Metal Pollution Restoration in Field Tests[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(03):5-13.[doi:10.11942/j.issn1002-2767.2020.03.0005]
重金属吸附材料在大田试验中修复土壤重金属污染效果研究
- Title:
- Study on the Effects of Heavy Metal Adsorption Materials on Soil Heavy Metal Pollution Restoration in Field Tests
- 文献标志码:
- A
- 摘要:
- 为进一步研究新型重金属吸附材料对镉、镍元素的钝化效果，在实验室土培试验及盆栽试验的基础上进行大田试验，对修复前后土壤中重金属含量、阳离子交换量、地上作物重金属含量及作物生物量进行比对分析。结果表明：试验所用的重金属吸附材料对重金属镉、镍具有非常好的吸附钝化作用。高陵示范区土壤偏碱性，经过修复的土壤水溶性镉浓度减少35.0%~63.4%，水溶性镍浓度减少34.8%~59.0%；修复土壤中的阳离子交换量略有增加。
- Abstract:
- In order to study the passivation effect of new heavy metal adsorbents on cadmium and nickel,field experiments were carried out on the basis of soil culture experiment and pot culture experiment,the contents of heavy metals in soil,cation exchange capacity,heavy metals in aboveground crops and biomass of crops before and after remediation were compared and analyzed.The results showed that the heavy metal adsorbents used in the experiment have excellent adsorption and passivation effects on cadmium and nickel.The soil in the demonstration area of Gaoling was slightly alkaline,the concentration of water-soluble cadmium was reduced by 35.0%-63.4%,the concentration of water-soluble nickel was reduced by 34.8%-59.0%,and the cation exchange capacity increased slightly.
参考文献/References:
［1］俄胜哲,杨思存.我国土壤重金属污染现状及生物修复技术研究进展［J］.安徽农业科学,2009,37(19):9104-9106.
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备注/Memo
收稿日期：2019-09-05