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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...
Chaihulanzi 100tpd gold processing project was designed by Beijing Central Engineering Institute for Non-ferrous Metallurgical Industry in 1984, then put into production in 1986.
1. Ore properties: The mineral belonged to the medium temperature hydrothermal filling gold-bearing quartz vein-type deposit. The ore was sericite altered rock sulfide-barren gold-bearing quartz vein with deep oxidized and more mud. The main metallic minerals were limonite, followed by pyrite, hematite and natural gold. The gangue minerals were mainly quartz, followed by feldspar, chlorite, mica and calcite.
Natural gold associated with gangue minerals. Gold dissemination size was fine and uneven, and the general particle size was 0.037 mm. Mineral density was 2.65 t /㎥.
2. Process: Xinhai decided to adopt direct cyanidation, countercurrent washing and zinc powder replacement process. The final product was alloy gold and silver, as follows.
Ore cyanide is commonly known as all-slime cyanidation, which is seldom used in Chinese gold processing plant due to ore properties. At present, this process has been used in some gold plants in Tuanjiegou, Chiweigou and Chaihulanzi. However, this process occupies a leading position in foreign gold processing plants. All-slime cyanidation process is more suitable to deal with refractory oxidized ore. The leaching equipment used in this plant adopted a new type of axial-flow energy saving agitation tank with less energy consumption and higher efficiency.
Table 14.11-9 Process Indexes
Table14.11-10 Unit Consumption Index
Table14.11-11 Main Equipment
Xinhai makes an appointment with you in CHINA MINING 2017 on Sept. 23rd-25th, 2017. In addition to showing advantages and characteristics of Xinhai mineral processing EPC service to international customers, Xinhai will also focus on foreign technical exchanges and trading cooperation with world-class mining machinery enterprises. ... [more]
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]
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© 2017 Shandong Xinhai Mining Technology & Equipment Inc.