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gravity concentrator in gold ore extraction

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knelson concentrator polymetallic ore - jxsc mining

Mine is a typical porphyry type gold-copper deposit, with low-grade gold-bearing refractory ore. as shown in the processing result, the efficiency of recovering associated gold is very poor. In this experiment, we carry out the gravity separation experimental of the knelson concentrator, trying to provide the technical basis for improving the recovery efficiency of associated gold ore.

Copper and iron are the two main elements in the raw ore, and exist in the forms of alpha chalcocite, covelline, enargite, iron pyrite. The gangue minerals are mainly quartz, dickite, alunite and a small amount of iron oxide, etc. Gold symbiosis with other minerals closely, that is the raw ore is multi-metal gold-bearing refractory ore.

Based on the analysis of the occurrence state and distribution of gold in the overflow ore, it is found that a large part of the gold is dissociated from the raw ore, the visible gold in the overflow ore accounts for 36%. It can be seen from the distribution of gold in the ore that improving the recovery of visible gold is the key to increase the recovery rate

knelson concentrator polymetallic ore - jxsc mining

Taking enrichment and gold mineral scanning processes for the part of overflow ore, obtain 80 gold minerals. According to the count of grain ore size, the visible gold is mainly fine-grained grade, in which, 10 ~ 80 μm account for 80%, few are less than 10μm. In view of the previous research, gold particles over 37 m can be recovered by gravity separation, while 10 ~ 37 m is more suitable for flotation processing. click to find more info about Fine gold recovery equipment

The ore sample is a low-grade gold bearing refractory copper ore, in which, gold is closely associated with copper-sulfur minerals, the gold( mainly in nature gold) are distributed in the gaps. After the ore was dissociated, a large part of gold became granular gold, and it was difficult to achieve effective recovery by flotation, so the Knelson is used to pre-recover the granular gold

gold recovery, icon gold recovery, gravity concentrators

iCON is a family of Mineral Processing Products specifically designed to recover fine gold. iCON was designed by the professional Engineers at Falcon Concentrators and uses the same patented technologies used at the largest mines in the world

iCON uses the same proven technology as the Falcon brand of professional mining products: it was designed by Falcon’s engineers and is now a product of iCON Gold Recovery Corp. Our History and Environmental Responsibility are discussed on our website

Throughout history gold processing has been plagued with inefficiency and contamination. Millions of dollars of fine gold have been discarded in the tails or “washed down the creek” due to inadequate processing

Processing large material that is known to have no value costs both money and time. With classification, time, energy and money will not be wasted processing excess material that is known to have no value

gold recovery, icon gold recovery, gravity concentrators

For example, if you know that your largest gold is .5mm then there is no reason to put 10mm material through your process. Also, the large feed will affect the efficiency on any process. The large material will hinder the recovery of the finer materials

Your feed will be screened to 2mm (or less based on your results) before processing in the concentrator. Any material larger than the screen will pass over the nugget trap. This will give the user confidence that they are collecting the BIG gold while minimizing the feed to the concentrator and maximizing its efficiency

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