Non-Ferrous Metals Recycling - Interco Trading Company
Interco has specialized in Non-Ferrous Metals Recycling since 1996 The company has a large North American presence with a 250,000 square foot processing plant comprised of three buildings on 25-acre complex in St Louis The company handles more than 20-million pounds of material to be recycled each year
US6033467A - Method of making cement or mine backfill from ,
A method of making cement from base metal smelter slag produced by nickel, copper, lead or zinc smelter, includes grinding the slag with clinker and blast furnace slag to a size in the range of from about -250 to about 425 mesh to produce ground slag cement, and mixing the ground slag cement with Portland cement in a ratio of at least about 05:1 by weight to produce a blended cement
Characteristics and environmental aspects of slag: a review
Because of its characteristics, ferrous slag is commonly used for construction and environmental applications, whereas both non-ferrous and ferrous slag may be reprocessed for secondary metal recovery Both types of slag have been a source of some environmental contamination
Non-ferrous metal recycling: Recovery of non-ferrous ,
Heavy and non-Fe metals can be melted down, time after time They are thus ideal for recycling An important role here is played by the quality of the processed, sorted metals to ensure their use in the smelt and to achieve value creation and marketing assurance Non-ferrous metals find uses in all areas of industry and in consumer goods
Ferrous and non-ferrous smelting processes produce different slags The smelting of copper, lead and bauxite in non-ferrous smelting, for instance, is designed to remove the iron and silica that often occurs with those ores, and separates them as iron-silicate-based slags
Oct 01, 2019· Non-ferrous smelting, used to refine copper, lead, and similar metals, produces highly ferrous slag, as iron is an undesired element Ferrous smelting, such as that used to produce steel, creates non ferrous slag, as all the iron is used in the smelting process After slag is allowed to age, it can be sold for use in other industrial process
The resulting impurities (slag) are removed from the furnace leaving a soft greyish metal once cooled >Iron is rarely used without combining with Carbon; this gives it greater hardness The result of this combination is steel which can be alloyed with other metals in order to enhance particular properti
Ferrous And Non Ferrous Scrap, Ferrous And Non Ferrous ,
Alibaba offers 671 ferrous and non ferrous scrap products About 14% of these are other metal scrap, 11% are aluminum scrap, and 9% are copper scrap A wide variety of ferrous and non ferrous scrap options are available to you, such as copper slag,
May 19, 2017· The reduction of the iron oxides in the slag to iron metal allows high recovery of remaining metal in the molten slag , on how to produce quality products from non-ferrous slags Previously the approach might have been 'what is the composition of the feed materials and what strength will we thus achieve in the final product?' , Non-ferrous .
Recycling and environmental issues of metallurgical slags ,
RECYCLING AND ENVIRONMENTAL ISSUES OF METALLURGICAL SLAGS AND SALT FLUXES 349 Introduction , summarizes the current status of utilization of the various slags from ferrous and non-ferrous metal production, as well as waste incineration, and recycling of salt fluxes in secondary metal , utilization In general, the slag product can be .
Pollution Prevention in the Primary Metals Industry: A ,
Plants may refine metals, cast molten metal into desired shapes, or produce the inputs for the refining or casting process Primary metals industries utilize both ferrous and non-ferrous metals and produce pure metal products or alloys in the form of end products or stock for use by other industri
At Laskill, an outstation of Rievaulx Abbey and the only medieval blast furnace so far identified in Britain, the slag produced was low in iron content Slag from other furnaces of the time contained a substantial concentration of iron, whereas Laskill is believed to have produced cast iron quite efficiently
US20150000467A1 - Method of separating and recovering iron ,
The present invention provides a method of separating and recovering iron from a waste non-ferrous slag, generated in a process for smelting of non-ferrous metals, including copper, zinc and lead, in which a reducing agent and a reaction catalyst are added to the crushed waste non-ferrous slag, and the mixture is subjected to a reduction reaction, thereby converting amorphous iron oxides .
Non-ferrous extractive metallurgy - Wikipedia Non-ferrous extractive metallurgy is one of the two , Another major difference in non-ferrous extraction is the greater emphasis on minimizing metal losses in slag,
Generation of iron and steel slag : NIPPON SLAG ASSOCIATION
Iron and steel slag can be broadly classified into blast furnace slag that is generated when iron ore is melted and reduced in a blast furnace, and steelmaking slag that is generated during the steelmaking processes used to modify the components of iron Blast furnace slag is a combination of silica and other non-ferrous components of iron ore .
Primary Metals Table of Contents Industry Overview Steel Making Industry Ferrous & Non-Ferrous Foundries Aluminum Smelting & Refining Copper Processing Lead Processing Zinc Processing Glossary: 3 Ferrous and Non-Ferrous Foundri Ferrous and non-ferrous foundries specialize in melting and casting metal into desired shap
Method for pyrometallurgical processing of non-ferrous ,
The way pyrometallurgical processing of ores and concentrates of non-ferrous metals to produce the matte or metal, including melting with the use of blowing oxygen-containing gas, converting, depletion of slag in the gasifier, the recovery of gases from smelting and converting combustible gases from the gasifier, characterized in that the .
Sorting of slag: separation of various metals from a mixture of slag and metals; Sorting of aluminium Separation of various impurities of metallic origin (Cu, Zn, VA, brass, Pb etc) further separation of these fractions (see below: sorting of non-ferrous metals and other metals)
In the production of iron, the blast furnace is charged with iron ore, fluxing agents, usually limestone and dolomite, and coke as fuel and the reducing agent The iron ore is a mixture of iron oxides, silica, and alumina From this and the added fluxing agents molten slag and iron are formed
Iron and steel industry in the United States - Wikipedia
In 2014, the United States was the world’s third-largest producer of raw steel (after China and Japan), and the sixth-largest producer of pig ironThe industry produced 29 million metric tons of pig iron and 88 million tons of steel Most iron and steel in the United States is now made from iron and steel scrap, rather than iron ore
Slag: From Metals By-product to Valuable Construction Material
Slag is a by-product of the metallurgical smelting process Slag has a double role: it permits removal of impurities, known as gangue, from the melt by forming oxid It also allows exchange reactions with the liquid metal, permitting control of the process in order for the desirable elements to .
Mar 07, 2018· Ferrous metals by definition contain iron in them whereas non-ferrous metals do not contain iron The word iron is derived from the Latin word ferrum, hence the English derivation ferrous to describe iron bearing metals The main thing to know about metals is whether they are ferrous or non-ferrous Once we have made the distinction, we can look at their different properti
Mar 07, 2018· Ferrous metals by definition contain iron in them whereas non-ferrous metals do not contain iron The word iron is derived from the Latin word ferrum, hence the English derivation ferrous to describe iron bearing metals The main thing to know about metals is whether they are ferrous or non-ferrous Once we have made the distinction, we can look at ,
Examples of non-ferrous metals would be copper, aluminum, magnesium, titanium, etc To make steel, iron ore is first mined from the ground It is then smelted in blast furnaces where the impurities are removed and carbon is added In fact, a very simple definition of steel is "iron alloyed with carbon, usually less than 1%"
DE60010318D1 - Recovery of precious metals from coal ,
C22B7/00 — Working up raw materials other than ores, eg scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals; C22B7/04 — Working-up slag
In 2019 production volumes of non-ferrous slag will be over 1164 million tonnes worldwide This new study tracks and critically analyses how this market will develop across the next ten years, with forecast growth at 10% CAGR to reach 1337 million tonnes in 2029
Selective leaching of base metals from copper smelter slag ,
A novel hydrometallurgical method was developed to selectively extract base metal values, such as cobalt, zinc, and copper from copper smelter slag at atmospheric pressure It involves leaching with sulfuric acid and sodium chlorate oxidant and neutralization with calcium hydroxide for better and faster filtration of the precipitate
Dec 29, 2018· Both non-ferrous and ferrous metals have been used by humans since ancient tim Copper was the first metal to be forged, and then other non-ferrous metals, including silver and gold Civilization transitioned from the Stone Age to ,
Types of iron and steel slag : NIPPON SLAG ASSOCIATION
Blast furnace slag is recovered by melting separation from blast furnaces that produce molten pig iron It consists of non-ferrous components contained in the iron ore together with limestone as an auxiliary materials and ash from coke Approximately 290 kg of slag is generated for each ton of pig iron