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Enhanced techniques for dewatering thick fine tailings with flocculant dosing on clay basis
Enhanced techniques for dewatering thick fine tailings with flocculant dosing on clay basis
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机译：以粘土为基础的絮凝剂定量给料的方法
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#$%^&*AU2017272207C120200220.pdf#####ABSTRACT Techniques for dewatering thick fine tailings may include one or more pre-treatment steps, such as pre-shearing to reduce the yield stress prior to flocculation, hydrocarbon removal below a threshold to improve flocculation and dewatering, flocculant dosing on a clay basis, and providing certain properties of the thick fine tailings related to coarse and fine particle sizes and/or chemistry such as divalent cation content. Various advantages may result from pre-treatments based on thick fine tailings properties, such as reduced flocculant dosage requirements, improved dispersion of flocculant into the thick fine tailings and/or enhanced dewatering, for example. One or more of the pre-treatments may be performed.
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