Influence of surfactants on resin adsorption and elution of uranium from production solutions for in situ leaching

DING Wu; TAN Kaixuan; YANG Yihan; LI De; YAO Guanghuai

doi:10.11889/j.0253-3219.2014.hjs.37.030202

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Influence of surfactants on resin adsorption and elution of uranium from production solutions for in situ leaching

更新时间：2021-03-03

- Influence of surfactants on resin adsorption and elution of uranium from production solutions for in situ leaching
- NUCLEAR TECHNIQUES Vol. 37, Issue 3, Article number: 030202(2014)
- 作者机构：
  
  1. 南华大学核资源工程学院,衡阳,421001
  2. 新疆中核天山铀业有限公司伊宁,835000
- 作者简介：
- 基金信息：
- DOI：10.11889/j.0253-3219.2014.hjs.37.030202
  CLC：
- Published：14 March 2014
- 稿件说明：
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DING Wu, TAN Kaixuan, YANG Yihan, et al. Influence of surfactants on resin adsorption and elution of uranium from production solutions for in situ leaching[J]. Nuclear techniques, 2014, 37(3): 030202
DOI：

DING Wu, TAN Kaixuan, YANG Yihan, et al. Influence of surfactants on resin adsorption and elution of uranium from production solutions for in situ leaching[J]. Nuclear techniques, 2014, 37(3): 030202 DOI： 10.11889/j.0253-3219.2014.hjs.37.030202.

摘要

地浸采铀是为核电可持续发展提供燃料的重要途径之一。表面活性剂在地浸中具有增高矿层渗透性、提高铀浸出率的潜在功效。为了研究表面活性剂在地浸采铀中的应用，验证表面活性剂的加入是否会影响地浸生产中树脂的性能，采用柱实验研究了OP-10、FSO、LVA、LF221等几种非离子表面活性剂及其复配物对地浸生产液中铀的树脂吸附和淋洗的影响。结果表明，生产液中加入50–100mg•L−1上述不同表面活性剂和复配物均对铀的树脂吸附没有产生影响，吸附曲线、树脂吸附容量、树脂的循环利用与不含表面活性剂的结果相一致。表面活性剂的加入能够提高淋洗液中铀含量的峰值，降低淋洗后树脂中残余铀含量，从而可以提升淋洗效率；其中以OP-10与FSO复配表面活性剂的效果最佳。因此，表面活性剂完全可以应用于地浸生产中。

Abstract

Background：The In situ leaching (ISL) of uranium mining is an important method to nuclear reactors for sustainable utilization of nuclear energy. Surfactants have their potential role in the increasing permeability of ore bed and the leaching rate of uranium in ISL. Purpose: The aim is to study the application of surfactants in ISL and identify whether the addition of surfactants have any effect on the resin property. Method: The influence of several surfactants such as OP-10

FSO

LVA

LF221 and their complexes on resin adsorption and elution of uranium from production solutions for ISL were researched by column experiments. Results: The results show that adding 50−100mg•L−1 different surfactants and their complexes into the production solutions for ISL has no significant influence on the resin adsorption and elution of uranium

in which the adsorption curve

sorption capacity of resin and recycling of resin are the same with the experimental results without surfactants. The adding of surfactants can increase the peak concentration of uranium in eluents and reduce the residual uranium content in resin

which promotes the elution efficiency. It also showed that the complexes of OP-10 and FSO are the best among various surfactants. Conclusion: As mentioned above

the surfactants can be used in ISL of uranium mining very well.Cited

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