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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 CIP Production Line adsorbs gold from cyaniding pulp by active carbon including 7 steps: leaching pulp preparation, cyaniding leaching, carbon adsorption, gold loaded carbon desorption, pregnant solution electrodeposit, carbon acid regeneration, leaching pulp. View details
Sudan 700TPD gold processing project was located in northern Sundan. Xinhai deci...
Xincheng 500t/d gold ore project was designed by Beijing Central Engineering Institute for Non-ferrous Metallurgical Industries in 1977, and put into production in early 1979.
1. Ore property: The ore was middle temperature hydrothermal alteration granite type gold deposit, whose body is deposited in ore-bearing alteration zone of sericitization, chloritization, silicification, pyritization and carbonatization. The main metal minerals included pyrite, a little chalcopyrite, galena, sphalerite and electrum, and gangue minerals were mainly quartz and sericite, followed by chlorite and calcite. The ore property was similar to quartz vein type gold deposit in China, both of them were sulfide-poor gold-bearing deposit, which contained low sulfur and less harmful impurities. Gold disseminated extent is relatively fine, which generally occurred in fissure and intercrystalline of metal sulfides. The inclusion gold was relatively less, gold ore that occurred in the fissure and intercrystalline of pyrite accounted for more than 60%. The grain size of natural gold was generally 0.002 ~ 0.02 mm, and the mineral density was 2.78 t/m3.
2. Process flow: Gold-bearing sulfur concentrate was obtained by flotation process, and its recovery rate was about 95%. After regrinding, cyanide leaching and zinc powder replacement, the gold mud and sulfur concentrate (i.e. leaching residue) were obtained. Then Xinhai sent gold mud to smelt then got alloy gold. The final products were gold ingot and silver ingot. The process flow was shown in figure.
Xincheng 500t/d gold ore plant was a relatively complete gold processing plant by summarizing practical experience in mineral processing. Xinhai removed the pipe filter that used in non-ferrous metal wet metallurgy enterprise to liquid purification, which achieved a good result. It was the first time that diatomite successfully applied in gold cyanidation factory as filter aid.
Table 14.11-3 Process Index
Table 14.11-4 Unit Consumption Index
Notes: Water, electricity and steel balls are total consumption.
Table 14.11-5 Main Equipment
Lead and zinc ore dressing technology is different due to the ore type. With the improvement of lead and zinc ore dressing technology, the lead and zinc ore commonly adopts gravity separation – floatation process, magnetic separation – floatation process, gravity separation - magnetic separation - floatation process and so on. ... [more]
Energy saving and consumption reducing have always been the promoting concepts on the mineral processing market in recent years. In response to the call of energy conservation and environmental protection policies ... [more]
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc.