Copper Scrap Refining Process

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US3630722A Copperrefining process Google Patents

Us3630722a Copperrefining Process Google Patents

In an integrated process, copper-bearing materials are leached with dilute sulfuric acid and the dilute pregnant leach solution is reacted with ferrous scrap to produce cement copper precipitate containing copper metal, ferrous impurities and normally refractory metal impurities. The raw cement copper is preliminarily treated to separate portions of the ferrous impurities and is then melted ...

123 Primary Copper Smelting

123 Primary Copper Smelting

Copper is produced in the U. S. primarily by pyrometallurgical smelting methods. Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4

Refining Copper Scrap by Gas Injection SpringerLink

Refining Copper Scrap By Gas Injection Springerlink

Oct 30, 2012 Refining Copper Scrap by Gas Injection Download PDF. Download PDF. Processes Published 30 October 2012 Refining Copper Scrap by Gas Injection ... J.J. Oudiz, Poling Process for Copper Refining, J. of Metals, 28 12 1973, pp. 3538. Google Scholar 3. R. Henych, F ...

Process for the direct electrochemical refining of copper

Process For The Direct Electrochemical Refining Of Copper

A process for direct refining of copper scrap, comprising a leaching copper scrap using an acidic leaching solution of ferric fluoroborate in fluoroboric acid, with copper in the scrap thereby being dissolved according to the reaction 2 FeBF 4 3 Cu 2FeBF 4 2 CuBF 4 2

SMS group GmbH Expert session Copper scrap refining

Sms Group Gmbh Expert Session Copper Scrap Refining

Jul 01, 2021 Expert session Copper scrap refining - Fire-to-Wire. Jul 01 2021 0100 PM CEST Description. SMS group has developed a process for fire refining furnaces to recycle copper scrap, thus opening up the possibility of producing FRHC copper and copper anodes. FRHC ingots can be used to substitute up to 10 of cathode input in the copper rod ...

Copper Electrolysis Refining Plant Purification of Copper

Copper Electrolysis Refining Plant Purification Of Copper

Dec 07, 2017 The refining anodes taken out from the refining furnace is changed into electrolytic copper with purity of 99.99 through an electrolysis process During electrolysis, copper II ions leave the impure copper anode and since they are positive, migrating to the negative cathode. From time to time, the pure copper is scraped off the cathode.

The Process of Recycling Copper Fair Salvage

The Process Of Recycling Copper Fair Salvage

Other valuable metals such as aluminum may also be present. Please speak with your local metal scrap removal company for more information to take advantage of all of the value you may be able to extract. The final step in the process of recycling copper is for a professional to melt the retrieved copper, then flatten it into sheets.

Copper Recycling ScienceDirect

Copper Recycling Sciencedirect

Jan 01, 2014 The Contimelt process is a continuous two-stage process to melt and treat, e.g. high-grade copper scrap, black copper and blister copper. Several of the more recently built plants are using bath smelting with top-submerged lance IsasmeltAusmelt technology or top blown rotary converters TBRCKaldo or a combination of submerged lance and TBRC ...

Metal Recycling Aurubis

Metal Recycling Aurubis

Metal recycling opens up the metal reserves found in products and therefore makes a considerable contribution to the supply of copper and other metals. Copper recycling fulfills the criteria for sustainable development and is the foundation of modern recycling management.

Pyrometallurgical Refining of Copper in an Anode Furnace

Pyrometallurgical Refining Of Copper In An Anode Furnace

In the copper industry the anode furnace is an important process step in the refining procedure to reach an improvement of the copper quality by a selective oxidation and reduction.

Sell Rhodium Precious Metal Refining Services

Sell Rhodium Precious Metal Refining Services

ABOUT OUR REFINING PROCESS. Our refining process is completely transparent. As a trustworthy refiner, we allow all customers to watch their precious metal scrap go through the entire process of being weighed, assayed, and melted. Please note, we do not accept whole electronic devices or mined materials from Africa. Our Refining Process

VertRef ContinuusProperzi spa

Vertref Continuusproperzi Spa

Continuous Copper Scrap Refining . When scrap has Cu content 97 an even more efficient technology has been developed The Vert-Ref System For Copper Scrap Recycling. The new Vert-Ref Process is an evolution of the well-known Cosmelt system supplied in several units by Continuus-Properzi based on 20 years of experience.

Refining Gold Jewelry Scraps Ganoksin Jewelry Making

Refining Gold Jewelry Scraps Ganoksin Jewelry Making

When used for refining material that doesnt contain PGMs, the inquartation and parting process is capable of producing gold of up to 99.99 percent purity. The process is particularly suited for treatment of low karat gold scrap, since large additions of copper or silver are unnecessary to achieve the desired 25 percent-or-less gold content.

Copper Anode Slime RecoveryCopper Metalcess

Copper Anode Slime Recoverycopper Metalcess

Copper Anode Slime Recovery. Anode slime is a byproduct from copper or lead electro-refining process. The copperlead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity ...

AP42 CH 129 Secondary Copper Smelting

Ap42 Ch 129 Secondary Copper Smelting

copper content of the scrap being used is greater than about 90 percent. The process used by 1 U. S. facility involves the use of a patented top-blown rotary converter in lieu of the blast, converting, and reverberatory furnaces and the electrolytic refining process

Recycling of Copper

Recycling Of Copper

Primary copper of the best grade is used for producing the rod for this work. Uncontaminated recycled process scrap and other scrap that has been electrolytically refined back to grade A quality may also be used. The copper used for power cables is also drawn from high conductivity rod but to

Copper Refining From Ore to Market INN

Copper Refining From Ore To Market Inn

Dec 03, 2020 The details of the copper-refining process depend on the type of minerals the copper is bound with. ... in which an acidic solution of copper is deposited onto scrap iron in

PDF StaticBed Electrorefining of Copper Scrap Turnings

Pdf Staticbed Electrorefining Of Copper Scrap Turnings

The electrolytic refining of pre-processed electronic scrap using the packed-bed electrolysis technology in both bench and semi pilot scales for production of copper powder were concerned in this ...

Process Umicore Precious Metals Refining

Process Umicore Precious Metals Refining

We offer eco-efficient recycling and refining services for precious metal bearing materials such as by-products from other non-ferrous industries e.g. drosses, mattes, speiss, anode slimes, consumer and industrial recyclable products e.g. electronic scrap, spent auto catalysts , spent industrial catalysts, sweeps and bullions.

Wieland to expand copper recycling capacity in North

Wieland To Expand Copper Recycling Capacity In North

May 28, 2021 Wieland North America, the North American division of Germany-based Wieland Group, has announced that it will open a new copper alloy recycling and refining facility in Shelbyville, Kentucky. The company is investing 100 million in the new site, which will serve as a hub for closed-loop recycling and as a refining center of third-party scrap, Wieland says.

Recycling Today January 2019 Scrap Metals Supplement

Recycling Today January 2019 Scrap Metals Supplement

It has simply added the e-scrap as infeed material for its refinery process. In that process, silver is not only recovered from photographic waste, but its chemical makeup allows it to soak up metals from circuit boards during furnace refining. The metals then become ingredients in the companys bullion.

How to Refine Gold From Electronic Scrap Sapling

How To Refine Gold From Electronic Scrap Sapling

Step 9. Mix a refining solution. Although you have recovered the gold from the electronics scrap, it may not be pure gold. It may be 12k or 18k gold, so now we will refine it to be pure 24k fine gold. Take a second beaker and pour it half full of Aqua Regina.

Copper processing Roasting smelting and converting

Copper Processing Roasting Smelting And Converting

Copper processing - Copper processing - Roasting, smelting, and converting Once a concentrate has been produced containing copper and other metals of value such as gold and silver, the next step is to remove impurity elements. In older processes the concentrate, containing between 5 and 10 percent water, is first roasted in a cylindrical, refractory-lined furnace of either the hearth or ...

Fire Refining Process Metso Outotec

Fire Refining Process Metso Outotec

Improves scrap melting capacity - no need for additional melting furnaces Operation. In the Metso Outotec Fire Refining Process, the hot blister copper is charged into an anode furnace for purification. The refining is carried out in batches where the necessary oxidation and reduction stages are used to purify the copper.

Copper Smelting IFC

Copper Smelting Ifc

refining. The process is most commonly used for leaching low-grade deposits in situ or as heaps. Recovery of copper metal and alloys from copper-bearing scrap metal and smelting resi-dues requires preparation of the scrap e.g., re-moval of insulation prior to feeding into the primary process. Electric arc furnaces using scrap as feed are also ...

CN103725897A Method for directly producing highpurity

Cn103725897a Method For Directly Producing Highpurity

The invention relates to a method for directly producing high-purity oxygen-free copper by pyrogenic process continuous refining of scrap copper, and belongs to the technical field of non-ferrous metallurgy. The method comprises the following steps by taking scrap copper as a raw material analyzing the component characteristics of each batch of raw material, and then preparing into a

How to Separate Copper from Scrap by Melting

How To Separate Copper From Scrap By Melting

Jan 14, 2021 The technique described is a workable means of separating copper and steel from scrap commodities in which these are the major ingredients. There are some limitations on the method that must be recognized. One of these limitations is the copper content of the electrical scrap, which must be rich enough to bear virtually all the processing costs.

Recycling of Electronic Scrap at Umicore Precious Metals

Recycling Of Electronic Scrap At Umicore Precious Metals

This process delivers complete copper and gold recycling from WPCBs under relatively benign laboratory conditions and represents a proof of concept for liberating valuable and critical metals back ...

Copper FRHC Rod Lines ContinuusProperzi spa

Copper Frhc Rod Lines Continuusproperzi Spa

No. 1 Batch Process with maximum refining Copper scrap mix 93, expected yearly output from 12,000 t to 75,000 t. No. 2 Continuous Process with limited refining Copper scrap 97, expected yearly output from 25,000 t to 100,000 t. No. 3 Batch Process with limited refining Copper scrap 96, expected yearly output from 12,000 t. to 24,000 t.

Computer Scrap Reclaim Recycle and Sell your Precious

Computer Scrap Reclaim Recycle And Sell Your Precious

Computer Scrap. We make it fast and easy to recycle your companys computer scrap in fact, youll be paid upon completion of processing, usually within 25 to 35 business days from the day we receive your computer scrap. Even though we customize every transaction to meet the specific needs of your company, here are our standard terms for ...


New Continuous Smelting And Refining Process For Copper

Contimelt is a new two-stage process for melting and refining copper. Compared to the traditional batchwise operated reverberatory refining furnace, Contimelt represents a continuous operation with a high meltingrefining rate, saving energy and manhours and allowing close environmental control.


Background Report Secondary Copper

process described above. This facility begins with low-grade copper scrap and conducts its entire refining operation in a single vessel. In alloying ,

Copper Scrap RecyclingMetal Recycling

Copper Scrap Recyclingmetal Recycling

Smelting and Processing Process. Product. A. High grade copper scrap Cu 98 Shaft furnace smelting heat holding furnace continuous casting continuous

Copper Scrap an overview ScienceDirect Topics

Copper Scrap An Overview Sciencedirect Topics

Copper scrap is often classified according to its source 1 direct or home scrap, which is the scrap generated at the smelterrefinery and has the highest purity

ReverberatoryRefining ContinuusProperzi spa

Reverberatoryrefining Continuusproperzi Spa

The Reverberatory Furnace can be fed with 100 copper scrap with minimum 94 Cu that could be a mix of many different kinds of copper scrap thereby saving hundreds