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1)  Leaching remediation
淋洗修复
2)  bioleaching
生物淋滤修复
1.
A little work has been reported concerning bioleaching of heavy-metal contaminated soil using Acidithiobacillus ferrooxidans,since this acidophile is sensitive to low molecular weight(LMW) organic acids.
氧化亚铁硫杆菌生物淋滤修复重金属污染土壤研究报道很少,因为该菌对低分子量有机酸敏感。
2.
During one-step bioleaching process, at 5% (w/v) of pulp density and 7d of leaching time, 25.
结果表明,一步生物淋滤修复过程中,当固液比为5%、修复时间为7d时,冶炼厂土壤中Cu、Cd、Pb和Zn去除率分别为25。
3.
niger solution,produced organic acids,and carbon sources were applied to the contaminated soil for heavy metal removal using one-step and two-step bioleaching processes.
廉价碳源的使用可降低污染土壤生物淋滤修复成本。
3)  Leaching [英][li:tʃ]  [美][litʃ]
淋洗
1.
Leaching characteristics of nitrogen and phosphorus in treated paddy fields with chicken manure;
施用鸡粪稻田土壤氮磷养分淋洗特征研究
2.
The influence of the leaching on the paddy soil nitrogen mineralization;
淋洗对稻田土壤氮素矿化的影响
4)  elution [i'lju:ʃən]
淋洗
1.
The leaching experiments indicate that the elution eficiency of nitrobenzene from the soil by the above surfactants are not greater than distilled water.
淋洗实验结果表明,3种表面活性剂对土壤中硝基苯的去除与蒸馏水相比没有明显去除效果,而且实验土壤对3种表面活性剂均有较强的吸附作用。
2.
The concentration of Nd can be concentrated about 4 times with suitable nitric acid elution which includes some H 2C 2O 4 or EDTA.
414× 10 - 6 、2 5~ 30 m L溶液中对钕的吸附 ,选择含有草酸或EDTA的稀硝酸溶液进行淋洗 ,可以使钕富集近 4倍 ,用分光光度法测定淋洗液钕含量 ,回收率为 10 3。
3.
The funciton and acting feature of nitrate in oxidizing leach and absorption elution have been studied.
研究了硝酸根在 D2 63树脂上的吸附淋洗行为特点 ,表明硝酸盐在地浸采铀纯化工艺中是良好的淋洗剂 ,且具有工艺简单、淋洗效果好、外排尾液少等优点 ,可在地浸矿山推广应用。
5)  drip washing
淋洗
1.
The decision on a plan and a design of the devices in adsorptions and drip washing of a certain project are persented in this paper.
介绍某工程的吸附淋洗铀装置的方案确定及设计情况 。
2.
The running and result of the adsorption and drip washing equipment at a certain leaching mine are discussed in the paper.
介绍了某地浸矿山吸附淋洗装置在使用中的运行情况及使用效果分析,通过运行观察与测试,证明该装置设计合理,运行正常,达到了设计所要求的功能参数。
6)  washing [英]['wɔʃɪŋ]  [美]['wɑʃɪŋ]
淋洗
1.
Test on three kinds of detergent washing the soils contaminated by crude oil
三种洗涤剂淋洗落地原油污染土壤的试验研究
2.
Kinetics of heavy metals in medium and slight pollution load soils under effects of citric washing
柠檬酸对中低污染土壤中重金属的淋洗动力学
补充资料:淋洗
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性质:又称洗脱。离子交换提取、纯化过程中的一个重要操作步骤,其目的是将已吸附在树脂(负载树脂或饱和树脂)上的金属(如铀)由树脂相淋洗到水溶液中。对于铀的硫酸浸出液(或矿浆)吸附过程,常用的淋洗剂有酸性硝酸盐溶液(如HNO3+NH4NO3)或酸性氯化物溶液(如H2SO4+NaCl)。而对于铀的碳酸盐浸出液(或矿浆)吸附过程,则宜采用添加少量NaCO3或NaHCO3的NaCl溶液作淋洗剂。淋洗也是柱色谱普遍采用的方法。在离子交换色谱法中,用适当的溶液作流动相,以一定的流速,将被树脂吸附着的离子解吸下来的过程。亲和能力小的先流出,亲和能力大的后流出。

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