The effects of different physical parameters such as pulp density, aeration conditions, and impeller speed on the performance of coaloil assisted gold flotation were investigated in this study. The experiments were conducted using samples taken from an epithermal gold ore deposit. The results demonstrated that increasing the solid concentration in feed pulp slightly improves recovery of gold ...
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Chemical Engineering Department, King Saud University, Box 800, Riyadh11421, Saudi Arabia. abstract article info. ... Coaloil gold agglomeration (CGA) process is based upon the re
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A process called coalgoldagglomeration (CGA) has been investigated for recovering gold since early 1980s Cadzow and Lamb, 1989, House et al., 1988. Although there are different derivative flowsheets for the CGA since then, the contacting and adhesion process of gold particles with agglomerates is the key element that always lies at the ...
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This study aimed to investigate the applicability of coaloil gold agglomeration (CGA) assisted flotation to recover gold from a refractory ore. The ore with the grade of 25 g/t was tested with the CGAflotation process in six different size fractions from 38 to 300 μm using different collector types and dosages.
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Crude petroleum, various distilled petroleum fractions such as diesel oil, pure aliphatic hydrocarbons and vegetables oils were used as agglomerating agents for oil agglomeration of coal in CGA ...
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This paper presents an extensive review of the coal agglomeration process, including oil agglomeration theory, characterization methods of coal hydrophobicity, and the main factors...
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Akira Otsuki. C. Yue. This study aimed to investigate the applicability of coaloil gold agglomeration (CGA) assisted flotation to recover gold from a refractory ore. The ore with the grade of 25 ...
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Coaloil gold agglomeration (CGA) process is one of these processes, which was developed by British Petroleum (BP) research team in the early eighties [47].
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Gold recovery processes that applied to different types of gold bearing ore deposits show that the type of deposits plays an important role for the selection of mineral processing technologies in the production of gold and other precious metals.
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The Coal Gold Agglomeration (CGA) process was developed some years ago and has the advantage in that gold is recovered by a procedure which has little or no negative impact on the environment.
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RECOVERY OF PARTICULATE GOLD BY COALOIL AGGLOMERATES A Thesis by JUANCHO PABLO S. CALVEZ B. Sc. Metallurgical Engineering Submitted for the degree of Master of Science School of Chemical Engineering Industrial Chemistry Faculty of Engineering UNIVERSITY OF NEW SOUTH WALES March 1998
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In the last 25 years, different alternative processes have been investigated on gold deposits located in areas where environmental issues are a great concern. In 1988, gold particles were first recovered by successful pilot trial of coal‐gold agglomeration (CGA) process in Australia.
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A study was conducted to optimize the separation phase of the coal gold agglomeration (CGA) process through a flotation technique. Batch tests were performed on a synthetic (7 g/t) gold ore ...
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The coaloilgold agglomeration process considers the preferential wetting of coal and gold particles. The method takes advantage of the greater hydrophobicity and oleophilicity of coal and gold compared to that the most gangue materials. ... The recovery of gold by CGA process depends on many factors: Degree of interparticle collisions ...
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from its ores. The Coal Gold Agglomeration (CGA) process was developed some years ago and has the advantage in that gold is recovered by a procedure which has little or no negative impact on the environment. A gold ore containing liberated gold particles is contacted with coaloil agglomerates, whereby the gold is recovered into the coal/oil phase.
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Explore 6 Papers published by Cape Peninsula University of Technology in 2000. Cape Peninsula University of Technology is a(n) education organization based out in Cape Town, South Africa. It is known for research contribution in the topic(s): Population Higher education. The organization has 2125 authors who have published 3935 publication(s) receiving 55351 citation(s).
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On account of above problems, the coaloil agglomeration (CGA) method, whereby hydrophobic gold particles are recovered from ore slurries into coaloil agglomerates, and a subsequent recovery through smelting or cosmelting of these agglomerates, has been generally recognized by the researchers and companies (Cilingir and Sen, 2000; Marciano et ...
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DOI: /S(00)000054 Corpus ID: ; Flotation as a separation technique in the coal gold agglomeration process article{Moses2000FlotationAA, title={Flotation as a separation technique in the coal gold agglomeration process}, author={Lusia Barek Moses and Francis William Petersen}, journal={Minerals Engineering}, year={2000}, volume={13}, pages={255264}, url={https://api ...
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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