Concentrateur Gravimétrique

Concentrateur Knelson Cet appareil ameliore la separabilite des particules par gravimetrie en travaillant dans un champ centrifuge (60 fois G) plutot que dans le champ de la pesanteur. II comporte un bol de forme conique inversee muni de rainures dans sa parois interne (pour retenir les particules) et qui tourne a un vitesse tres elevee […]

Table a Secousses

Principe de fonctionnement de la Table a Secousses: Lorsqu’un film d’eau coule sur une surface plate inclinee, l’eau pres de la surface est retardee par la friction. La vitesse augmente vers la surface libre de l’eau. Si des particules de minerai sont introduites dans l’eau, les particules plus petites ne se deplacent pas aussi vite […]

Double-Deck Gold Shaker Table

The 911MPEGMS-2DST double deck “DUPLEX” gold shaker table is effectively 2 super-imposed 4′ x 8′ decks and processes 2 tons per hour of -200 minus to 4 tons or more of sand size material. This provides you with 64 square feet of tabling area. The same gold recovery area a 12′ X 5′ 4″ table […]

Long Sluice Box

This Oscillating gold highbanker sluice box is perfect for fine gold recovery in small operation. With a capability of processing up to 4 TPH, the 911MPE2MS takes high banking to the next level in time and recovery. It is dressed like a highbanker but works as a wash plant / Oscillating  sluicebox hybrid for fine gold […]

Ferrosilicon Suspension in Dense Medium Separation Process

ferrosilicon-suspensions viscosity surface

Aqueous polydisperse suspensions of angular (milled) or spherical (atomised) ferrosilicon alloy powders are widely used in mineral, aggregate and scrap separation processes as a dense medium. Table I shows the typical range of Dense Media Separation water analyses (analysing the supernatant after allowing the ferrosilicon solids to settle) taken from three diamondiferous-kimberlite circuits, from which it […]

Mercury Amalgamation

Mercury Amalgamation - 911Metallurgist

Mercury or quicksilver fed into stamp mortar-boxes and riffles or applied to copper plates has been for ages the method of catching free gold. Many millions of ounces of gold have been saved thereby, and the mercury has been returned to circulation with small loss. Amalgamation is still practiced, but the recovery of gold by […]

Cheap Sluice Mat – Corduroy

concentration on corduroy

Details of the use of corduroy are given in the section covering gold and silver, but there is no reason why this material should not be used by the small miner in the concentration of any sulphide ore—silver, mercury, copper, lead, antimony, and sphalerite, for example. Corduroy forms part of the concentrating equipment of the […]

Gold Planning

I have been given the opportunity to maybe teach you guys how to pan some gold and find some gold. I’ve been prospecting, my family been prospecting for many years. So we have a good mine just up the road. And hopefully today we can go out and find a little bit of Gold and […]

Centrifugal Modeling

solid-suspension consolidation characteristics of ac clay

The centrifuge modeling technique is a powerful tool for geotechnical engineering in general. It has been used for over sixty years to model soil behavior. Regarding phosphatic clays, centrifuge research has been actively conducted in the last decade by several investigators to predict the field consolidation of these clays. In this technique, a physical model […]

Gemini VS Wilfley Shaker Table

test program flowsheet for the estimation of gravity recoverable gold in a ryan lode ore mining circuit

Previous work has shown that significant, free milling gold values exist in the Ryan Lode ore. This project used pilot scale equipment to estimate the percentage of gold recoverable by gravity methods from the circulating load of a conventional, closed-circuit, grinding mill. The pilot scale flowsheet employed three stages of gravity concentration, hydraulic classification and […]