our products

D&Q Mining is a high-tech company integrating R&D, production and sales. It provides mature products and solutions such as crushers, sand making, milling equipment, mobile crushing stations, etc., for aggregate, mining and waste recycling.

electronic gold recovery methods

Gold Recovery : 8 Steps (with Pictures) Instructables

Gold Recovery: Wait don’t throw those old electronics in the garbage, there’s gold in them there things. There are basically two methods of melting gold flakes and dust to recover gold available to the average person, the mercury method called Gold-Mercury Amalgam with its obviously toxic by-products and the Borax Method.

More

Gold Recovery Correctly : 12 Steps Instructables

Gold Recovery Correctly: I will detail a SAFE process of turning old electronic parts into little round lumps of pure gold. There are many tutorials that claim to offer methods of gold recovery such as "Cupellation"*. These processes are DANGEROUS and put the user at the

More

Gold Gold Recovery Gold Recovery Techniques

For gold recovery from computer parts and other electronic scrap, we have to apply different recovery methods. To remove gold from gold plated fingers and connectors we can use cyanide process both chemically and electrically. If the layer of gold on the connectors is thick then the nitric process can be applied.

More

Silver, Gold Recovery From Computers, E-Waste

How to Recover Gold from Computer Parts and other Electronic Scrap. We provide training for Gold, Silver, Palladium & Platinum Recovery from Electronic Scrap/E-waste and Catalytic Converters etc. through very easy and environment-friendly methods to those who want to start this profitable business both on small and big scale.

More

Gold Recovery Techniques

GOLD RECOVERY TECHNIQUES We provide complete training, guidance and consultancy for the recovery of precious metals i.e. gold, silver, platinum and palladium from all kinds of electronic scrap (like computer mother boards, different kinds of processors, RAMs, hard drives, cellphones,and all other devices in which these precious metals are used).

More

Sustainable technique recovers gold from e-waste cheaply

There are two current industry standards for removing gold from electronic scraps. concerns that come with long standing methods of gold extraction. be a game-changer for oil recovery

More

Cornstarch Replaces Cyanide In Gold Extraction Popular

May 14, 2013· Cornstarch Replaces Cyanide In Clean New Gold Extraction Method. Scientists accidentally discover a new way to isolate gold that is much safer than existing processes, which use toxic cyanide.

More

GOLD REFINING FORUM GOLD REFINERS HELPING ONE ANOTHER

The Largest Gold Refining Forum in the World The GRF combines many hundreds of years of experience in the precious metals industry. We cover large fields including: karat/scrap gold refining, chemicals & safety, electronic scrap refining, chemical and physical recovery methods, mining and metal detecting, bulding your own equipment, etc.

More

How to Refine Gold From Electronic Scrap Sapling

Mar 28, 2017· Start by obtaining as many scrap electronics components to reclaim gold from. Generally speaking, older electronics work better because enhanced manufacturing processes use less gold than older electronics, so an old 386 or 486 computer, for example, contains more gold than a

More

Simple method for extracting gold from electrical and

Simple method for extracting gold from electrical and electronic wastes using hydrometallurgical process Mohammad Aali Dehchenari1, Saeed Hosseinpoor2, Rahim Aali3*, Nilowfar Salighehdar Iran4, Mohsen Mehdipour5 1BSc of Mechanic Engineering,Young Researchers and Elite Club, Majlesi Branch, Islamic Azad University, Isfahan, Iran 2Instructor of Civil Engineering Structure, Department of

More

A better way to mine gold from old electronics

Aug 31, 2016· Use a piece of metal with a gold plating on it to attract off the gold from the PCBs fingers and such. xs400 September 7, 2016 05:58 AM How about some genetically modified bacteria?

More

(PDF) Simple method for extracting gold from electrical

The emphasis has always been on the recovery of precious metals, namely gold, silver, platinum and palladium, from electronic scrap for their obvious economic values.

More

E-Waste Alchemy: Perfecting the Process of Recovering Gold

May 07, 2015· In fact, the latest methods are even more exciting and bizarre than the notion of gold recovery from e-waste itself. As researchers, and everyday recyclers, continue to perfect the process of recovering gold from e-waste, it’s a topic continually growing in popularity. Recovering Gold from E-waste Gains Widespread Attention

More

Do It Yourself Gold Recovery eHow

There are many ways to recover gold on your own. Recovering gold by metal detecting, scrap computer and electronics components, and gold mining are three of the most popular ways. Special equipment and knowledge are required for gold recovery. With some basic equipment and education, anyone can learn to recover gold.

More

Recovery of gold from secondary sources—A review

Mar 01, 2012· Dunn et al. (1991) reported the process for recovery of gold from electronic scrap. The gold containing scrap reacted with chlorine at a temperature with the range of about 300–700 °C to form a mixture containing metallic gold, silver chloride, and other metal chlorides.

More

How to Remove Gold from Circuit Boards: 12 Steps (with

Apr 08, 2019· Many electronic devices contain a small amount of gold, especially on the circuit board. This is because gold is a highly efficient conductor (better than copper) and it does not corrode, ensuring therefore that

More

Gold and Platinum Refining & Recovery Systems / Equipment

Refining gold with acid. The traditional method called aqua regia (Latin for "Royal Water") dates back hundreds of years. This method requires the use of both nitric and hydrochloric acids. Due to the corrosive nature of nitric acid, the fumes produced by this process (nitric oxides) are very harmful.

More

This new method for getting gold from e-waste may be just

Oct 18, 2017· A small Canadian company’s new way of extracting gold and other precious metals is showing big promise for the mining industry, and for efforts to deal with the growing problem of electronic

More

(PDF) Extraction of Precious Metal "GOLD" from Electronic

method for the recovery of precious met als from e-waste. It includes incineration, Chemical process involves leaching of gold/silver from electronic scrap using cyanide. The leachate

More

Extracting Gold from E-Waste

Oct 26, 2017· Other Traditional Methods of Gold Extraction from E-Waste Chromobacterium biolaceum are two microorganisms that have been found as suitable and sustainable methods of extracting gold from gold plated electronic devices 5. The potential for the recovery of gold and other useful metals from e-waste to benefit both the global economy and

More

Gold Fingers How to Recover Gold from Electronic Scrap

In this tutorial we will learn how to recover the Gold Plating from those fingers using an aerated Copper (II) Chloride (CuCl2) solution. The first step is of course to cut the fingers off the cards There are many ways to do it, different peoples use different methods. I have found that using a

More

"Gold Recovery for Dummies?" Finishing

Nov 19, 2009· Q. Sir, I am doing the scrap gold. I got a problem in gold recovery that is, actually I am using the method of collecting the gold coated material and adding the nitric acid and giving the heat. After boiling the acid, the gold layer appearing the top, collecting the gold layer, when I try to heat that gold it becomes nothing.

More