In nature, gold most often occurs in its native state (that is, as a metal), though usually alloyed with silver.Native gold contains usually eight to ten percent silver, but often much more — alloys with a silver content over 20% are called electrum
Gold has been known and highly valued since prehistoric times. It may have been the first metal used by humans and was valued for ornamentation and rituals [1]. Approximately 60% of the gold mined today is held by government and central banks and gold is presently the most significant means of international payment.
LIMING Company supply the LUM series superfine vertical roller grinding mills which is widely applied for gold mine mining processing plants, gold ore beneficiation plants as the grinding plants machines. It has many features such as
1. High grinding efficiency, little pollution to the final products.
2. Advanced, efficient and energy-saving powder-concentrating technology.
3. Secure and efficient operating principles, intelligent operating system.
4. Little attrition.
5. Convenient and easy to maintenance.
6. Environmental friendly.
Any details about the gold mining plants and the lum series superfine vertical roller mill application, please chat with us!
Spodumene: According to the hard rock crushing process, the crushed product is generally 5-40mm, combined with different design requirements of customers, two-end or three-stage crushing, high-grade crushed products (above 4-5%) can be directly used in the metallurgical process to produce lithium carbonate Or lithium hydroxide, the particle size of the finished product is generally around 20-40mm; low-grade generally requires ball mill grinding and separation, and the particle size of the finished product is generally around 5-20mm;
