manufacture germanium impact crusher
germanium ore crushing production line I44R Impact Crusher I54 Impact Crusher C38 Cone Crusher C38R Cone Crusher C44 Cone Crusher Cameroon Rock Gold Ore Crushing Grinding Production 2017 06 16 This is a rock gold ore processing project in Cameroon use the jaw crusher conveyor belt roller crusher ball mill spiral classifier spiral chute shaki ...
KR20110002949A
PURPOSE: A cultivation method of pleurotus eryngii containing germanium without using a fertilizer or an agricultural chemical, is provided to offer the pleurotus eryngii for immunologic function reinforcement food. CONSTITUTION: A cultivation method of pleurotus eryngii containing germanium comprises the following steps: crushing germanium ore …
Germanium and precious metals (Ag–Au–Pt–Pd) at …
Germanium can be enriched in banded iron formations and in oxidised sulfide ore deposits with Ge contents of up to ≤ 7,000 ppm in hematite and ≤ 5310 ppm in …
10 countries in Africa with the most mineral resources
South Africa. South Africa is rich in mineral resources and is one of the five largest mineral resource countries in the world. There are more than 70 kinds of minerals that have proven reserves and have been mined. The reserves of platinum group metals, fluorspar, and chromium rank first in the world, gold, vanadium, manganese, and …
Discovery of Three Elements Predicted by Mendeleev's …
From then on, production of gram quantities of gallium became almost routine (at least for Lecoq) and he and his colleagues, by crushing several hundred kilograms of ore and treating it with 1500 L of aqua regia, succeeded in producing as much as 75 g of the element by 1878 . Lecoq remarked that gallium constituted a very small percentage of ...
KR100503625B1
The present invention relates to a method for producing a regenerative brick without crushing germanium ore, the present invention is heated to a germanium ore at a rate of 2 to 4 ℃ / min and heated at 100 ± 5 ℃ for about 1 hour to room temperature The naturally cooled, cooled germanium gemstone was heated at a rate of 2 to 4 ° C./min, at 200 ± 5 ° …
Germanium Deposits in the United States | U.S.
The Apex mine produced gallium (Ga) and germanium as primary products during the mid-1980s. Since its closure, germanium recovery has been restricted to …
Mineral Commodity Summaries 2022
Prices for germanium dioxide and metal trended upward during 2021. During the first 10 months of the year, the price for germanium metal (minimum 99.999% purity) increased by 21% to $1,315 per kilogram from $1,090 per kilogram, and the price for germanium dioxide (minimum 99.999% purity) increased by 15% to $825 per kilogram from $720 per kilogram.
Germanium geochemistry and mineralogy | U.S.
January 1, 1985. Germanium is enriched in the following geologic environments: 1. (1) iron meteorites and terrestrial iron-nickel; 2. (2) sulfide ore deposits, particularly those hosted …
Germanium: A review of its US demand, uses, resources
Germanium is potentially the enabling element of next-generation electronics and renewable energy applications. It is a lustrous, hard-brittle, grayish-white metalloid with atomic number of 32 and atomic mass of 72.64 u. Germanium was first isolated by Clemens Winkler in 1886 from the mineral argyrodite (Ag 8 GeS 6) [1]. The …
Gallium and germanium extraction and potential recovery …
Extraction experiments conducted in 0.5 M H2 SO 4, 1 M HNO 3, and 1 M HCl were used to simulate the hydrometallurgical recovery in view of the potential recovery of Ga and Ge. The leaching of Ga and Ge (and other valuable metals: Zn, Pb) was investigated as a function of time (2–12 h), temperature (25 and 70 °C), and particle size …
Extraction Behavior and Purification of Germanium …
Abstract. The recovery of germanium from low-grade ores and secondary resources requires the development of new separation and purification techniques. In this work, the solvent extraction (SX) behavior …
Germanium: A review of its US demand, uses, …
Germanium is recovered as a byproduct from Zn-refineries and coal fly ash. Yet very low amount (<3%) of Ge contained in Zn-ores and fly ash is recovered …
A methodology to liberate critical metals in waste solar panel
Fig. 1 illustrates the lamination of CIGS solar panel [17].CIGS solar cells are made up of a few microns thick CIGS absorber layer, 50–80 nm thick CdS window layer, 50 nm thick ZnO buffer layer, an 0.5–1.5 μm thick transparent conductive oxide (TCO), top contact grid in sequences on glass with a 500–1000 nm thickness molybdenum (Mo) …
[Ar]4s 3d 4p USGS Mineral Resources Program …
Germanium is primarily recovered as a byproduct from zinc, silver, lead, and copper ores from these deposits, but world-wide production is dominantly from the zinc ore mineral, …
A more sustainable way to refine metals | ScienceDaily
June 7, 2017. Source: McGill University. Summary: A team of chemists has developed a way to process metals without using toxic solvents and reagents. The system, which also consumes far less ...
Hydrothermal fluids, argon isotopes and mineralization ages …
The sphalerite 40Ar/39Ar crushing results suggest that the ore-forming fluid might strongly interact with the sedimentary rocks resulting in the enrichment of ore deposit. Discover the world's ...
Germanium: Current and Novel Recovery Processes
Advertisement. 4. Current and novel recovery processes for germanium. Several processes have been recommended for Ge recovering based on its content, chemical species, and mineral phases that are …
EXTRACTING METALS FROM SULFIDE ORES
Many approaches were pursued to solve the "sulfide problem" at Broken Hill before selective flotation was developed. The successful technology involves first crushing the ore, typically to a particle size of about 5 to 50 micrometers, to liberate separate grains of the various valuable minerals and worthless gangue components.Then the particles are …
Germanium Statistics and Information | U.S.
By National Minerals Information Center. Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity germanium. Germanium is mainly a …
How the Metal Extraction Process Works | Metal Supermarkets
Iron ore is ~94% of the 3.2 billion tons of metals mined in 2019, and 98% of that iron goes directly into steel production. ... Crushing – Involves busting the ore rock into smaller sizes to optimize the subsequent grinding process. ... Germanium (Ge) Arsenic (As) Antimony (Sb) Tellurium (Te) Polonium (Po) Types of ores.
Leaching and solvent extraction purification of zinc from …
Sample preparation and characterization. A 1000 kg zinc oxide ore from the Mehdiabad mine (Yazd Province, Iran) was prepared and it was divided into two equal portions after crushing to 1-inch ...
Germanium: A review of its US demand, uses, …
Worldwide, it is estimated that Zn-ores contain 7–13 kt Ge, and coal and coal fly ash, 25–112 kt. The production of Ge involves leaching followed by recovery of Ge by …
Energy and Environmental Profile of the U.S. Mining …
The roasted ore leaves through the bottom brick hearth and sulfur dioxide (2-6 percent) exits through the top. Smelting – Smelting involves the application of heat to a charge of copper ore concentrate, scrap, and flux to fuse the ore and allow the separation of copper from iron and other impurities. The smelter furnace produces two separate ...
Germanium Deposits in the United States
Currently, germanium is produced as a byproduct of zinc-bearing ore deposits. Acid mine drainage may have elevated signatures of germanium because of germanium's strong association to sulfide minerals (Shanks and others, 2017). Germanium is also recovered from lignite and coal deposits worldwide (Melcher and Buchholz, 2014).
Mineral Processing technologies in the Bauxite and …
quality of the Bauxite ore. The process in use is Crushing, Elutriation (Washing) and. Separation of Fines. China is also reporting of Baux ite Beneficiation Plants, which. uses Flotation ...
KR20040043660A
PURPOSE: Provided are heat storage type bricks produced by using a germanium raw ore without crushing the germanium raw ore, which can be used as heating bodies for hot rooms, sauna facilities, or electric heaters. CONSTITUTION: The heat storage type bricks are produced by a process comprising the steps of: heating the germanium raw ore at …
Research of iron ore grinding in a vertical-roller-mill
One contribution to minimise the increase is to use more efficient comminution equipment. Vertical-roller-mills (VRM) are an energy-efficient alternative to conventional grinding technology. One reason is the dry in-bed grinding principle. Results of extensive test works with two types of magnetite iron ores in a Loesche VRM are …
KR950016492A
The present invention relates to agricultural products cultivation, and in particular, to a method for growing agricultural products containing a large amount of organic germanium (GeCH 2 CH 2 COOH) 2 0 3, aka Ge-132). In the method for cultivating agricultural products containing a large amount of organic germanium according to the present …
Review on advances in mineral processing technologies …
Occurs predominantly in Zn sulphide ores 6. ∼30 germanium minerals exist and include sulphides, oxides, hydroxides, sulphates, ... Run of mine ore undergoes an initial process of crushing, milling and classification to generate particles of a sufficient size and mineral liberation. This is done to render these particles amenable to treatment ...
