THE COMPARATIVE BENEFICIATION STUDIES OF GARNET DEPOSITS FROM A FEW SELECTED AREAS OF IRAN

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REZAI B.

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Journal: INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH) Year:2001 | Volume:12 | Issue:1 Page(s): 137-159

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Title

THE COMPARATIVE BENEFICIATION STUDIES OF GARNET DEPOSITS FROM A FEW SELECTED AREAS OF IRAN

Author(s)

REZAI B. | Issue Writer Certificate

Keywords

GARNETQ4

TABLEQ4

SPRIALQ4

MAGNETIC SEPARATIONQ4

MULTIQ4

GRAVITYQ4

SEPARATIONQ4

KOHE - E - GABRIQ4

ZAMANABADQ4

SANGBASTQ4

Abstract

The occurrences of huge reserves of GARNET deposits have been reported from different parts of Iran, specially, those of Kohe- E- Gabri (SampleNo.1), Zaman Abad (sample No.2) and SANGBAST (sample No.3) areas which are naturally very rich (except SANGBAST area) in nature. The ore of these deposits cannot be directly used as abrasives, filter aids and many others because of some impurities present.To know the mineralogical composition, type of GARNET, shape of the particles, chemical character and the mesh of grind which plays a vital role in finding out suitable flow sheet design, these samples have been subjected to detailed mineralogical and microscopic studies, sieve analysis, liberation studies and chemical analysis. The results obtained show that, the type of GARNET in sample No.1 is Anderadite with grade of 75% which most of its particles are edged rather than rounded where as in sample No.2 and 3 the type of GARNET is Almandine with grade of 45% and 8% respectively.In sample No.1 quartz, calcite, wollastonite, magnetite and hematite are the main impurities present in order of abundance and liberation studies showed that optimum mesh of grind is 600 microns, while quartz, calcite, wollastonite, and alusite, diopside, muscovite, biotite and feldspar are the impurities present in sample No.2 with no liberation problem. In sample No.3 quartz, muscovite, chlorite, feldspar, tremolite, calcite and diopside are the impurities persent and particles are free from each other, belew 2000 microns.Based on the characterization studies carried out on these three samples it was suggested that the GRAVITY and magnetic methods would be the suitable SEPARATION techniques for sample No.1 with overal recovery of 87% and more than 95% grade of GARNET, and sample No.2 with overal recovery of 87.61% and 91.23% GARNET grade, while no beneficiation technique was suggested for sample No. 3 because of the GARNET content which is very lower than the cutoff grade (20%).

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APA: Copy

REZAI, B.. (2001). THE COMPARATIVE BENEFICIATION STUDIES OF GARNET DEPOSITS FROM A FEW SELECTED AREAS OF IRAN. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), 12(1), 137-159. SID. https://sid.ir/paper/52561/en

Vancouver: Copy

REZAI B.. THE COMPARATIVE BENEFICIATION STUDIES OF GARNET DEPOSITS FROM A FEW SELECTED AREAS OF IRAN. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH)[Internet]. 2001;12(1):137-159. Available from: https://sid.ir/paper/52561/en

IEEE: Copy

B. REZAI, “THE COMPARATIVE BENEFICIATION STUDIES OF GARNET DEPOSITS FROM A FEW SELECTED AREAS OF IRAN,” INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), vol. 12, no. 1, pp. 137–159, 2001, [Online]. Available: https://sid.ir/paper/52561/en

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