Use of density tracers in evaluating performance of Tri-Flo circuits Case study: Tabas (Iran) coal preparation plant

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NOORI M.; DEHGHAN R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2019 | Volume:10 | Issue:2 Page(s): 441-450

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Title

Use of density tracers in evaluating performance of Tri-Flo circuits Case study: Tabas (Iran) coal preparation plant

Author(s)

NOORI M. | DEHGHAN R. | Issue Writer Certificate

Keywords

Tri-FloQ1

Density TracerQ1

Separation EfficiencyQ1

Cut PointQ1

YieldQ1

Abstract

In the Tabas coal preparation plant (SE Iran),-50 + 6 mm raw coal was treated in a 700 mm two-stage two-density Tri-Flo dynamic dense medium separator. In order to study the circuit performance and to evaluate the separator efficiency, 32 mm cubic Density Tracers were used in the range of 1. 28-2. 1 g/cm3 and under different operational conditions. The performance of Tri-Flo was evaluated in a rapid manner, and an acceptable partitioning performance was observed under the process regime; the misplacements were in the normal range. Contrary to the dense media cyclones where the Cut Point shift (CPS) is usually positive, the results of this work showed that CPS was negative in both stages of the Tri-Flo separator. The Ecart probable value for the first stage of the separator (Epf = 0. 023) was rather greater than the second stage (Eps = 0. 018), representing the higher performance achieved in the second stage. In addition, the Tri-Flo operational parameters were found to be adjustable on the basis of raw coal specifications in order to reach good metallurgical results. Therefore, the optimum operational feed capacities of the Tri-Flo separator were determined to be in the range of 80-140 t/h, depending on the type of raw coal.

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APA: Copy

NOORI, M., & DEHGHAN, R.. (2019). Use of density tracers in evaluating performance of Tri-Flo circuits Case study: Tabas (Iran) coal preparation plant. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 10(2 ), 441-450. SID. https://sid.ir/paper/256287/en

Vancouver: Copy

NOORI M., DEHGHAN R.. Use of density tracers in evaluating performance of Tri-Flo circuits Case study: Tabas (Iran) coal preparation plant. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2019;10(2 ):441-450. Available from: https://sid.ir/paper/256287/en

IEEE: Copy

M. NOORI, and R. DEHGHAN, “Use of density tracers in evaluating performance of Tri-Flo circuits Case study: Tabas (Iran) coal preparation plant,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 10, no. 2 , pp. 441–450, 2019, [Online]. Available: https://sid.ir/paper/256287/en

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