| 王悦,桂荣.有机酸对低渗透砂岩铀矿溶蚀作用试验研究[J].南华大学学报(自然科学版),2025,(1):20~25.[WANG Yue,GUI Rong.Experimental Study on the Dissolving Effect of Organic Acids on Low Permeability Sandstone Uranium Ore[J].Journal of University of South China(Science and Technology),2025,(1):20~25.] |
| 有机酸对低渗透砂岩铀矿溶蚀作用试验研究 |
| Experimental Study on the Dissolving Effect of Organic Acids on Low Permeability Sandstone Uranium Ore |
| 投稿时间：2024-06-05 |
| DOI： |
| 中文关键词: 有机酸 砂岩铀矿 溶蚀作用 矿物组分 |
| 英文关键词:organic acid sandstone uranium ore dissolution mineral components |
| 基金项目:国家自然科学基金面上项目(52174119) |
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| 中文摘要: |
| 为了探讨微生物代谢有机酸对低渗透性砂岩铀矿的溶蚀作用,以新疆某低渗透砂岩铀矿为研究对象,研究了柠檬酸、琥珀酸、乙酸、乳酸四种微生物代谢有机酸对低渗透砂岩铀矿的溶蚀效果,通过对溶蚀前后的岩样进行X射线衍射分析,探究低渗透性砂岩铀矿有机酸溶蚀特征。结果表明:有机酸对砂岩铀矿样本的溶蚀量为:柠檬酸＞琥珀酸＞乙酸＞乳酸;尽管柠檬酸整体溶蚀量更高,但X射线衍射数据显示,琥珀酸较柠檬酸对石英和方解石的相对溶蚀率较柠檬酸分别高出0.6%和3.6%;琥珀酸作用后钠长石含量减少,柠檬酸反之。 |
| 英文摘要: |
| In order to explore the dissolving effect of microbial metabolic organic acidson low permeability sandstone uranium ore, this paper investigates the dissolution effect of four microbial metabolic organic acids, citric acid, succinic acid, acetic acid, and lactic acid, on low permeability sandstone uranium deposits using a low permeability standstone uranium ore of Xinjiang as the research subject. X-Ray Diffraction examination of rock samples before and after dissolution was used to investigate the dissolving features of organic acids in low permeability sandstone uranium deposits. The results demonstrate that the dissolving quantity of organic acids in sandstone uranium ore samples is:citric acid ＞ succinic acid ＞ acetic acid ＞ lactic acid; Despite citric acid has a highter overall solubility, the data of X-Ray Diffraction show that the dissolution of quartz and calcite by succinic acid is 0.6% and 3.6% higher than that by citric acid, respectively. Albite content reduces as succinic acid dissolves sandstone uranium ore, whereas citric acid has the reverse effect. |
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