Dec 29, 2017· E-waste precious metal refining system is designed to refine and recover precious metals like gold, silver, palladium(Pd) and platinum(Pt) from electronic waste (e-waste) like circuit boards, including CPU, RAM, pins, and other computer components. E-waste is classified as hazardous material therefore should be managed properly. However, the presence of precious metals (PMs) in e …
Mar 16, 2021· PATENTSCOPE. The PATENTSCOPE database provides access to international Patent Cooperation Treaty (PCT) applications in full text format on the day of publication, as well as to patent documents of participating national and regional patent offices. The information may be searched by entering keywords, names of applicants, international patent ...
the TCM intelligent extraction and refining factory was constructed and put into service, and was listed as the only project in the TCM industry by the Ministry of Industry and . Information Technology into the first batch of intelligent manufacturing pilot projects.
Dec 08, 2017· The purity of precious metal is up to 99.99%. The operation process of E-waste precious metal recycling production line is with high degree of automation, saving human cost to a large extent. Adopting cyanide-free environmental protection hydro-metallurgy technology, the processing flow is short, greatly reducing the pollution to environment.
AVIMETAL is a research and development company, incorporated in the State of Nevada, integrating latest technologies special for precious metal and non ferrous metal refining processing systems using own graphene technologies. Avimetal also involves the development of commercial aviation parts.
Fine Gold Recovery Equipment and Black Sand Clean Up Tools This gold recovery equipment is specifically designed to reduce the amount of raw gold bearing material to a manageable amount for further processing and/or aid directly in the separation of finer grains of gold …
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Jul 29, 2021· Gold. 1,754.00 +22.30 ... Patent # 10,954,140 · SYSTEM AND METHOD FOR PURIFICATION OF DRINKING - Patent # 10,995,015 ... as well as develops processing technologies for use in edible oil refining ...
A process for purifying and refining gold from wastes and ores is disclosed. The gold to be refined is made the anode in an electroytic cell against an inert cathode. The electrolyte, essentially consists of an impregnated ammonium chloride solution. The impregnant is a nascent-oxygen source for leveling the gold overvoltage at the anode.
Copper electro-refining (Cu-ER) is the principal method for producing >70% of high or 99.97% pure copper cathodes from 97-99% pure blister/fire refined-scrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge, other soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition metals (Mt) co-dissolved ...
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Two key patents from that time are H. B. Leeson's British Patent 9374; 1842 and G. Howell's British Patent 11,065; 1846. Refining During the 1920s, with the discovery of the platinum-rich Merensky reef in South Africa, there was considerable research into refining methods Alan R. Powell and Ernest C. Deering, who both worked for Johnson Matthey ...
Acid Mine Drainage Ground Truth Trekking. ... Refining Gold Refining gold is a term related to gold. Inquire Now; Patent US5948140 Method and system for extracting . A process and system and for extracting and refining gold from ores using relatively benign and inexpensive chemicals, fewer process steps, and permitting the ... Inquire Now
Jul 27, 2016· ZINC-DUST PRECIPITATION OF GOLD. For many years precipitation by zinc dust, as by the Merrill-Crowe process, has been recognized as the most efficient and economical method of precipitating gold and silver from cyanide solutions.Embodying precipitate filters of the plate-and-frame type, of the vacuum-leaf type, or of the more recently developed pressure bag-filter type, the process …
A method of refining a precious metal comprising the steps of inquarting the material containing the precious metal into an alloy, with a known quantity of a base metal to form an alloy of a known concentration of the precious metal, and dissolving the base metal in acid to leave the refined precious metal as a solid. Preferably the method is used to refine gold, and the acid used is nitric ...
Nov 27, 1996· FIG. 1 is a flow-diagram of a prior art cyanide process for extracting gold as discussed above. In FIG. 2, system 26 in accordance with the present invention for extracting and refining gold from ore includes a first part processor 28 and a second part processor 30.
Patents for C25C 1 - Electrolytic production, recovery or refining of metals by electrolysis of solutions (5,617) 03/2013: 03/27/2013: CN102994762A Industrial method for selectively recycling ...
Gold Refining Equipment / Lab Glassware Mudh of the small scale gold refining is done in glass beakers and boiling flasks using a wet chemical method. More details » Get Price Patent US4857107 - Gold inquartation process - Google Patents
Aug 08, 2021· The two gold refining methods most commonly employed to derive pure gold are: the Miller process and the Wohlwill process. The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold. The Miller process is rapid and simple, but it ...
Feb 08, 2017· The patent-pending EnviroLeach process is safe, eco-friendly, and provides faster leach kinetics than cyanide on most ores, concentrates and tailings. ... The gold …
Refining of Gold- and Silver-Bearing Doré ... Edison's process for electrodepositing nickel flakes was first described in his US 821 626 patent of 1906. ... to the system. In the case of a metal electrode/electrolyte interface undergoing anodic transformations, the electrons can come from (a) ...
Electro: Gold Refining Systems SAFE & SIMPLE . Gold Refining Equipment and Systems for Electrolytic, Aqua Regia Purification of Gold, Silver Platinum, Palladium and PGM. Processing and Recovery of Scrap, Jewelry ... Inquire Now; Electrolytic Refining Extractive Metallurgy of Copper ...
A process and system and for extracting and refining gold from ores using relatively benign and inexpensive chemicals, fewer process steps, and permitting the recycling and re-use of process chemicals. The invention is preferably implemented as a two part process. In a first part process, gold is extracted from the ore and dissolved in a chemical solution to form a gold complex.
Dec 15, 2019· EconSight Patent Analytics . In the U.S., tech companies dominate the top 10 most innovative companies of 2019.Alphabet, Qualcomm, Intel, Microsoft, Honeywell, Apple, and GE are producing the most ...
Jun 25, 2021· The Patent Examination Data System (PEDS) in the Amazon Cloud provides public users the ability to search, view and download bibliographic data for all publicly available Patent applications in a secure manner. The solution allows public users to search and download bibliographic data in bulk as well as manage the volume of data that can be ...
Mark Ogram received his B.S. and M.S. in Systems Engineering before working for Lear Siegler Corporation and Hughes Aircraft. After his J.D. from Pepperdine, Mark worked for Texas Instruments and Research Corporation as patent counsel. Mr. Ogram has some 19 issued patents in his name and many patent applications pending on his inventions.
SpaceGold is an Asteroid mining project to bring back Gold and Platinum metals to Earth. There have been efforts from companies like Planetary Resources in the past in this area, but they couldn't pinpoint a feasible approach to process the metals in Space. Well… we have found the answer, put a patent on it, and we are aiming to deliver ...