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Xinhai mineral processing equipment mainly include: grinding equipment, flotation equipment, dewatering equipment, magnetic separation equipment, and so on. Some of the equipment is Xinhai independent research and development, and has been awarded national patent. View details
Gold CIL (Carbon in Leach) Process is an efficient design of extracting and recovering gold from its ore. By cyaniding and carbon leaching crushed gold ore slurry simultaneously, CIL process lower the gold mining operation cost and increase gold recovery rate to a degree of 99%. View details
On October 11, the 3-day CHINA MINING Conference and Exhibition 2019 was conclud...
Flotation mining is the common method to process gold ore, especially for the gold ore with complex components. Preferential adsorption take place between flotation reagents and purpose ore, and ore particle with strong hydrophobicity will float upward. Common gold flotation reagents include collector, foamer, and regulator.
Collector has two opposite characteristics. Gold ore with strong hydrophobicity absorb easily in a bubble and float upward. Common collectors in gold flotation reagents are xanthate and black powder which are a good collector for natural gold and sulfide minerals. The foaming agent is used in the gas-liquid interface to lower the interfacial tension, prompting the air dispersed in the slurry, and form small bubbles to prevent air bubbles merger in gold flotation plant and a separate interface to increase and improve the stability of the bubble.
Oil No.2 is the common foaming used in gold ore. The regulator is crucial to the gold flotation mining process, which includes activators, inhibitors, PH adjusting reagents, dispersant and flocculant. Foaming reagents could promote collectors and reagents in ore surface to shape activators. Alkali metal salt activator, such as copper sulfate, are commonly used in gold flotation process which changes nature of ore and expand floating range and increase floating speed. PH regulator reagent is mainly used to adjust the PH value of slurry and eliminate harmful ions in ore, such as sodium carbonate acid salt. The dispersion of the gold mining flotation flocculant is mainly used to change the mineral particles in the slurry particle size groups.
There are many gold flotation reagents in practice in the gold mining plant. Apart from gold flotation reagents, the amount, filling way and filling sequence of reagents is also important to the flotation result.
Because of the existence of monomer gold, the most practical and economical way of gold mine mining is gravity separation. In this article, we will introduce gravity separation briefly, such as shaking table, and some gold concentrate machine. ... [more]
High efficiency thickeners consist of concentration tanks and sludge scrapers. ... [more]
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc.