Our Services

Combination Mobile Crushing Plant

Combination Mobile Crushing Plant

Compared with fixed production lines,Combination Mobile Crusher have a shorter engineering period and rapider transition, which not only reduces the investment risk and opportunity cost of the investors, but also avoids the demolition and construction

C6X Series Jaw Crusher

C6X Series Jaw Crusher

C6X Jaw Crusher on structure and production efficiency present advanced modern technologies. Our Company's C6X Jaw Crusher can solve such problems of the existing jaw crushers as low production efficiency, difficult installation and maintenance. At pr

HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

Patio process metallurgy Britannica

Patio process, also called Mexican process, method of isolating silver from its ore that was used from the 16th to early in the 20th century; the process was apparently commonly used by Indians in America before the arrival of the Europeans.. The silver ore was crushed and ground by mule power in arrastras, shallow circular pits paved with stone.Large blocks of stone attached by beams to a

More

Patio process Article about patio process by The Free

The Spanish discovery of the cinnabar deposit at Huancavelica, Peru around 1560 proved vital for the prosperity of silver mining in the New World because the "patio process" for the amalgamation of silver ores (invented in Pachuca by Bartholome Medina in 1554 and used widely in the New World thereafter; see later) required mercury.

More

Nevada Bureau of Mines and Geology

Patio Process. The earliest method of extraction was a method developed in the Mexican mines in the mid 1500s and familiar to the miners at Virginia City, the Patio Process. This method of processing the rocks to extract the silver was slow, did not recover all the silver, and did not use the added reagents as efficiently as possible.

More

Society of American Silversmiths Silver Processing

These New World mines, much richer in silver, resulted in the rise of South and Central America as the largest silver-producing areas in the world. For the recovery of New World silver, the Patio process was employed. Silver-bearing ore was ground and then mixed with salt, roasted copper ore, and mercury.

More

How the process of mining for silver works Fraimed

Later, when the Spanish discovered much richer silver mines in Mexico, Peru and Bolivia, they used the Patio process. The process is attributed to a mining specialist Bartolomé de Medina who was the first to use a silver amalgamation with mercury to extract silver.

More

Bartolome de Medina Mining Foundation of the Southwest

The process involved first crushing silver ores to a fine slime, then mixed with salt, water, magistral (impure copper sulfate), mercury and then spread in a 1 to 2 foot thick layer in a shallow-walled open enclosure patio. Horses were driven around the patio to further mix the ingredients and eventually formed an amalgam.

More

Nevada Bureau of Mines and Geology

Patio Process. The earliest method of extraction was a method developed in the Mexican mines in the mid 1500s and familiar to the miners at Virginia City, the Patio Process. This method of processing the rocks to extract the silver was slow, did not recover all the silver

More

The process of mining raw silver and minting rounds

May 02, 2017· An early and inefficient method of obtaining silver, called the “patio process,” was developed in Mexico in the sixteenth century, after Spanish conquistadores discovered silver in the area. It involved mixing silver ore with salt

More

Bartolomé de Medina Spanish theologian Britannica

Bartolomé de Medina, Spanish Dominican theologian who developed the patio process for extracting silver from ore. Medina developed the patio process, an intricate amalgamation process utilizing mercury, while mining in Pachuca, Mex., in 1557. The process proved

More

How the process of mining for silver works Fraimed

Later, when the Spanish discovered much richer silver mines in Mexico, Peru and Bolivia, they used the Patio process. The process is attributed to a mining specialist Bartolomé de Medina who was the first to use a silver amalgamation with mercury to extract silver.

More

How silver is made material, making, history, used

Process Silver was first obtained in sixteenth-century Mexico by a method called the patio process. It involved mixing silver ore, salt, copper sulphide, and water. The resultant silver chloride was then picked up by adding mercury. This inefficient method was superseded by the von Patera process.

More

Process Of Mining silver

The mining of Process Silver was first obtained in sixteenth-century Mexico by a method called the patio process. Patio process Wikipedia The patio process is a process for extracting silver from ore.The process, which uses mercury amalgamation to recover silver from ore, was reportedly invented by Bartolomé de Medina in Pachuca, Mexico, in 1554.

More

How is Silver Mined APMEX®

Silver also occurs alongside lead, copper and zinc ores, which is why nearly 50% of mined Silver today is obtained when processing other kinds of ore. Silver is separated from this ore using a chemical process known as smelting. To begin a new Silver mine, a system of multi-layered crosscuts are made.

More

Smelting and Roasting Ores to recover gold, silver and

The way the Spanish did it, the old “patio” process is still a possibility for small miners. Actually more recently the big mining companies have come around to adopting a modernized use of this ancient practice, because it's less polluting.

More

Excellent Description of the Silver Mining Process

Dec 27, 2011· You probably know that silver is a metal that’s mined and then somehow refined to form the pure coins and bars we trade as bullion, but would you like to know a little more about that process? We’ve found an excellent little YouTube excerpt by the Discovery Channel on the process of mining and refining silver.

More

Silver Ore The Mining Processes that Transform Ore into

Dec 18, 2016· Silver Mining Process . Silver is mined using a number of processes. One of the most common processes of extracting silver metal for the ore is the heap leach or cyanide process. The process is most popular with many miners because it is low

More

Patio Process for Refining Silver Mundane Pointless

May 19, 2008· For some reason, I have been running across references to the “Patio Process” for refining silver a lot lately. I hadn’t given much thought to exactly how the metal is refined, once the ore is out of the ground, but it’s frequently a noxious and polluting one (cyanide is one chemical that has seen much use in refining, for instance), but the “patio process” is a really nasty one

More

The Production of Silver in South America

Oct 10, 2011· We can see the co-existence over several centuries of a large-scale state-run silver industry, based on the patio process (and requiring a long-distance network to provide silver ore, mercury, energy and supervision), alongside a small-scale European high-temperature silver

More

Silver Mining Process / How is Silver Bullion Mined? YouTube

This video shows in detail how silver is extracted from mines and turned into an industrial silver bar.Thanks for watching,Subscribe below!Silver mining proc...

More

The Patio Process and the Start of Amalgamation Refining

Jun 04, 2014· During the patio process, silver ore was finely crushed and mixed with salt, water, copper sulfate, and mercury. This mixture was spread in a one to two foot layer in an outdoor patio. After weeks of mixing and sun exposure, the native silver in the

More