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One of Kazakhstan's paleo-channel sandstone uranium deposit has reduced uranium concentrations (15-20 mg/L) and over 50% of wells exceeding their service life, affecting economic performance and sustainability. To address these problems, technical measures were implemented: used oxidants during acidification to boost uranium concentration peaks and maintain higher levels; established a ful-life cycle quality management system to increase the service life of drilling wells; carried out advanced exploration to increase indicated and measured resources; and remined the low-recovery or multilayered orebodies. The results show these measures effectively improve resource recovery, lower operating cost, and extend mine life, supporting economic feasibility and sustainable operation.

, authors=Jiandong LI, Han GAO, Deqiang TIAN, Zhe XU, authorsList=Jiandong LI, Han GAO, Deqiang TIAN, Zhe XU, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1311351058975260761, articleId=1311351058551636055, tenantId=1146029695717560320, journalId=1146123346816638986, language=CN, title=某古河道型地浸铀矿后期生产问题及开采建议, columnId=1175805041991631542, journalTitle=铀矿冶, columnName=开采·选冶, runingTitle=null, highlight=null, articleAbstract=

哈萨克斯坦某古河道砂岩型铀矿浸出液铀质量浓度下降至15~20 mg/L,部分开采单元回收率达不到设计要求,钻孔超期服役率超过50%,严重制约矿山经济效益及可持续运营。针对上述问题,提出并实施了技术改进措施:在酸化期引入氧化剂,以加快达到铀浓度峰值并延长高铀浓度持续时间;建立钻井全生命周期质量管理体系,提高钻井使用寿命;实施超前勘探工程,新增控制级及探明级资源量;对回收率低的单元或存在多层矿体的单元进行二次开发。研究表明,所采取的强化浸出措施行之有效,可显著提升资源利用率,降低单位生产成本,延长矿山服役年限,从而保障矿山的经济可行性与可持续发展。

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某古河道型地浸铀矿后期生产问题及开采建议
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李建东 , 高涵 , 田德强 , 徐喆
铀矿冶 | 开采·选冶 2026,45(1): 98-106
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某古河道型地浸铀矿后期生产问题及开采建议
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李建东, 高涵, 田德强, 徐喆
作者信息
  • 中广核铀业发展有限公司,北京 100029
Later Production Issues and Mining Suggestions of a Paleo-channel In-situ Leaching of Uranium Deposit
Jiandong LI, Han GAO, Deqiang TIAN, Zhe XU
Affiliations
  • Uranium Industry Co., Ltd., CGNPC, Beijing 100029, China
出版时间: 2026-02-20 doi: 10.13426/j.cnki.yky.2025.05.02
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哈萨克斯坦某古河道砂岩型铀矿浸出液铀质量浓度下降至15~20 mg/L,部分开采单元回收率达不到设计要求,钻孔超期服役率超过50%,严重制约矿山经济效益及可持续运营。针对上述问题,提出并实施了技术改进措施:在酸化期引入氧化剂,以加快达到铀浓度峰值并延长高铀浓度持续时间;建立钻井全生命周期质量管理体系,提高钻井使用寿命;实施超前勘探工程,新增控制级及探明级资源量;对回收率低的单元或存在多层矿体的单元进行二次开发。研究表明,所采取的强化浸出措施行之有效,可显著提升资源利用率,降低单位生产成本,延长矿山服役年限,从而保障矿山的经济可行性与可持续发展。

地浸采铀  /  资源枯竭  /  渗透系数  /  残余矿体  /  超前勘探  /  强化浸出

One of Kazakhstan's paleo-channel sandstone uranium deposit has reduced uranium concentrations (15-20 mg/L) and over 50% of wells exceeding their service life, affecting economic performance and sustainability. To address these problems, technical measures were implemented: used oxidants during acidification to boost uranium concentration peaks and maintain higher levels; established a ful-life cycle quality management system to increase the service life of drilling wells; carried out advanced exploration to increase indicated and measured resources; and remined the low-recovery or multilayered orebodies. The results show these measures effectively improve resource recovery, lower operating cost, and extend mine life, supporting economic feasibility and sustainable operation.

in-situ leaching of uranium  /  resource depletion  /  permeability  /  residual orebody  /  advanced exploration  /  enhanced leaching
李建东, 高涵, 田德强, 徐喆. 某古河道型地浸铀矿后期生产问题及开采建议. 铀矿冶, 2026 , 45 (1) : 98 -106 . DOI: 10.13426/j.cnki.yky.2025.05.02
Jiandong LI, Han GAO, Deqiang TIAN, Zhe XU. Later Production Issues and Mining Suggestions of a Paleo-channel In-situ Leaching of Uranium Deposit[J]. Uranium Mining and Metallurgy, 2026 , 45 (1) : 98 -106 . DOI: 10.13426/j.cnki.yky.2025.05.02

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doi: 10.13426/j.cnki.yky.2025.05.02
  • 接收时间:2025-05-14
  • 首发时间:2026-09-28
  • 出版时间:2026-02-20
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  • 收稿日期:2025-05-14
  • 修回日期:2025-07-08
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    中广核铀业发展有限公司,北京 100029
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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