尾矿过滤中滤饼剥离的预测

Paste 2021: 24th International Conference on Paste, Thickened and Filtered Tailings Pub Date : 1900-01-01 DOI:10.36487/acg_repo/2115_03

Bernd Fränkle, P. Morsch, Hermann Nischl

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引用次数: 1

摘要

尾矿过滤为满足环境和工艺水回收规范提供了机会，因此越来越受到重视。在此过程中，需要完全剥离滤饼以保持高吞吐量。放电不完全是过程中的瓶颈。因此，更深入地了解蛋糕分离行为是成功的关键。实验研究滤饼与滤布之间的附着力是预测滤饼脱离的第一步。利用flsmith实验室压滤机进行的过滤以及随后对铁矿尾矿和两种不同过滤介质进行的附着力测量显示了过滤压力对附着力的影响。

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Towards prediction of cake detachment in tailings filtration

By offering an opportunity to fulfil environmental and process water recovery specifications, filtration of tailings has received increasing attention. In the process, complete cake detachment is required to maintain high throughputs. Incomplete discharge represents a bottleneck in the process. Therefore, a deeper understanding of cake detachment behaviour is a key to success. Experimental studies on adhesion forces between filter cake and cloth are a first step towards detachment prediction. Filtrations using an FLSmidth lab filter press and subsequent adhesion measurements with iron ore tailings and two different filter media show the influence of filtration pressure on adhesion.

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Paste 2021: 24th International Conference on Paste, Thickened and Filtered Tailings

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