patent gold refining systems

Refining Systems Used to Make Gold Bars | Sciencing

Apr 24, 2017· Gold refining is a process that involves recovering gold metal from gold ore and converting it to pure gold, free from impurities. There are several refining systems used to make gold bars. Electrolyte process, chemical treatment, smelting and cupellation are some of the common refining methods used to make gold bars.

Gold Refining System Manufacturer - Aqua Regia Machine

K-JHIL – gold refining systems are ideal for old gold jewellery buyers, bullion suppliers, gold smithies, jewellery casting and chain manufacturing factories, job-work refineries etc., as they come in various capacities, to suit small or larger refining needs of the jewellery trade. K-JHIL – series of gold refining systems are among the most advanced in-house refining systems available ...

Method and system for extracting and refining gold from ...

Sep 07, 1999· 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.

Refining of Gold at the Rand Refinery - SAIMM

Refining of Gold at the Rand Refinery K.G. Fisher 10.1 Introduction Since 1921, all gold produced in South Africa has been refined at the Rand Refinery (Adamson, 1972). To give the reader a complete picture of gold refining in South Africa, the historical development and all operations of

EP0236456A4 - Refining precious metals. - Google Patents

Other systems for the refining of gold require the shipment of the gold to places other than the miner's premises. This outside refining can take weeks to perform with various hazards and costs in the shipment of the product to the refinement site. Further, the refinement area or site also knows the exact amount of gold being refined.

Gold processing |

Gold processing, preparation of the ore for use in various products. Native gold is the most common mineral of gold, accounting for about 80 percent of the metal in the Earth’s crust. It occasionally is found as nuggets as large as 12 millimetres (0.5 inch) in diameter, and on rare occasions ...

All Green Precious Metals Refining Presentation

Gold and Silver are refined “Conflict Free” in house to 99%+ purity CONFLICT FREE BENEFITS All Green is operating a sustainable, closed loop, environmentally safe precious metal recovery system. CLOSED LOOP Our process can be used for other precious metal bearing materials. WIDE USE PROCESS Our own Intellectual Property (IP)

Extremely Fine Gold Recovery - Gold Recovery Methods ...

Apr 14, 2015· "Refining" in this case is with reference to removing impurities at a micron and sub micron level. The process of recovery is a process that continually upgrades the purity through a process of concentration. A sluice box recovers gold as a concentrate which has greater gold content. Recovery is a process of eliminating non-gold products from gold.

AR3G Gold & Platinum Refining System Instructions - YouTube

May 28, 2019· AR3G gold and platinum refining system. Instructional video on the latest iteration of Shor's aqua regia refining systems. This is a comprehensive and detailed video of the refining …

Precious Metal Refining & Recycling System for E-waste

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.

United States Patent and Trademark Office

In invention, I see America. I see her past, and I also see her future. … And in inventors, I see the fundamental traits of the American character: grit, imagination, perseverance, and the …

gold refining process cyanide -

Patent US4895626 - Process for refining and purifying gold , A process for purifying and refining gold to 98+% purity is dislosed , such as the amalgamation …

US Patent for Electro-refining system and method Patent ...

An electro-refining system in which the deposited metal is harvested without the need to remove the cathode from the slurry bath. The cathode has a hollow cavity permitting steam or hot water to be introduced to heat the cathode. During the deposition process, the heating of the cathode encourages the deposition process. When the deposited material is to be harvested, the cathode is heated to ...

Refining Gold | HowStuffWorks

­The final stage of gold production -- refining-- involves removing impurities that remain after the smelting process.Refining companies receive doré bars, as well as scrap gold, and reliquefy the metal in a furnace. Workers add borax and soda ash to the molten metal, which separates the pure gold from other precious and less precious metals.

patent gold refining systems -

Patents by Inventor Peter S Shor , A recovery system for precious metal particles in wash , A process for purifying and refining gold from wastes . Chat Now; 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 ...

Patents by Inventor Peter S. Shor - Justia Patents Search

Abstract: 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.

Gold and Platinum Refining & Recovery Systems / Equipment

REFINEIT-30MK is a multifunctional, small-footprint electrolytic system, designed to refine gold and silver. Where the gold refining process has historically been lengthy and involved, our innovative, patented process reduces gold refinement to a single step.

Precious Metal Refining & Recycling System for E-waste

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.

Hints on Reading Patents - Gold Refining

Jan 12, 2008· The patent literature is chock full of refining information. Much of the writing used in the patents is in legalese and is hard to wade through. I have developed my own system of reading these.

System and Method For Automatically Refining Ontology ...

The present invention provides a system and method for automatically refining ontology within a specific context. The system comprises: a rich context extractor for discovering a semantics relationship conflict existing between an original ontology schema and application data; and an ontology schema and mapping refiner for refining the original ontology schema based on the semantics ...

gold refining process machine -

Gold Refining Archives - Mineral Processing & Extractive ... The Gold Refining Process by Aqua Regia was introduced at the Pretoria Mint after the Miller process had been tried and abandoned owing to the ... Gold Refining Machine. Get Price

Chemicals for the Shor Simplicity refining system

Chemicals for the Shor Simplicity refining system 2004. I am a hobbyist gold refiner using the Shor Simplicity electro refining system, at the moment I have to buy the relevant chemicals from the USA and pay almost the same again in freight charges. Does anyone know what the two main chemicals are, i.e. the "GC Salt" and "Precipitant"? Can ...

new technology for gold ore refining - Machine

Based on the ore property and test result, generally Gold Refining Machine For Sale generally contents: Chloride reduction process and Efficient electrolytic refining system. Coarse gold anode in rhodium, ruthenium, iridium and PdCl2, which do not dissolve in the electrolysis process, enter the anode mud.

Gold Fizzer Cell - YouTube

Feb 12, 2015· The next video in my series will be construction and operation of a " Fizzer Cell". Or as some have come to know it the Shor Simplicity Gold Refining System!

Gold Refining System Inc -

Gold Refining System Inc 14 Gilbert St West Haven CT 06516. Reviews. Menu & Reservations Make Reservations . Order Online Tickets Tickets See Availability Directions {{::location.tagLine.value.text}} Sponsored Topics. Legal. Help Get directions, reviews and information for Gold Refining System Inc in West Haven, CT. ...

Simplicity Gold & Platinum Refining System -

Simplicity Gold & Platinum Refining System. Note: The Simplicity is best suited for solid metal. For computer parts and other e-scrap, we recommend the Aqua Regia Gold Refining System. To be blunt, if you don't already have one, you either weren't aware of its existence or you've made a costly mistake by not buying one before. It's that simple.

Gold Refining Process - Mineral Processing & Metallurgy

Gold Refining Process View Larger Image To present the essential points of all methods of gold refining commonly practised, as well as those of historic interest,” was the author’s purpose in …