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某铀矿高钙矿浆絮凝沉降工艺优化试验研究

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针对某铀矿高钙矿浆固液分离中存在的矿浆沉降速度较低、固-液分离效果变差等问题,研究采用了静态絮凝法沉降该铀矿高钙矿浆,考察了絮凝剂种类及用量、混合絮凝剂配比及加入方式对沉降效果的影响.结果表明:由WZ944絮凝剂与5330絮凝剂配制的混合絮凝剂可使高钙矿浆沉降速度显著提高,2种絮凝剂的最佳质量配比为1∶1,混合絮凝剂最低用量为35 g/t.试验结果可为该铀矿固-液分离工艺流程优化设计提供参考.
Optimization of Flocculation and Sedimentation Process of High-Calcium Slurry in a Uranium Ore
Aiming at the problems such as low settling speed and poor solid-liquid separation effect of a uranium ore high-calcium slurry,static flocculation method was used to settle high-calcium pulp of a uranium ore,and the effects of flocculant type,dosage,mixed flocculant ratio and adding method on the settling effect were investigated.The results show that the settling rate of high calcium pulp can be significantly increased by the mixed flocculant prepared by WZ944 flocculant and 5330 flocculant.The optimal mass ratio of the two flocculants is 1:1,and the minimum dosage of the mixed flocculant is 35 g/t.The research results can provide reference for the optimization design of the uranium ore solid-liquid separation process.

uranium orecalciumslurryflocculationflocculantsedimentationsolid-liquid separationmulti-stage countercurrent decantation

高尚、贾秀敏、师留印、钟平汝

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核工业北京化工冶金研究院,北京 101149

铀矿 矿浆 絮凝 絮凝剂 沉降 固-液分离 多级逆流倾析

中核集团集中研发项目

中核科发[2021]-144号

2024

湿法冶金
核工业北京化工冶金研究院

湿法冶金

北大核心
影响因子:0.631
ISSN:1009-2617
年,卷(期):2024.43(4)