copper slag producing units in usa


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Utilization of copper slag in cement and concrete - ScienceDirect

Production of one ton of copper generates approximately 2.2–3 tons copper slag. In the United States the amount of copper slag produced is about four million tons and in Japan it is about two million tons per year Collins and Ciesielski 1994 Ayano and Sakata 2000 .

Copper in the USA: Copper Producers

Primary producers may also convert the hode to cakes or billets of copper for sale to brass mills. The consumption of refined copper mostly hodes in the United States was about 2.5 million short tons 2.3 million metric tons in 1989 about 27% of the total free world usage of 9.2 million short tons 8.3 million metric tons .

Historical Statistics for Mineral and Material Commodities in

The database contains information on approximately 90 mineral commodities including production imports exports and stocks; reported and apparent consumption; and unit value the real and nominal price in U.S. dollars of a metric ton of apparent consumption . For many of the commodities data are reported as far back as 1900.

TENORM: Copper Mining and Production Wastes Radiation

Within the United States mining and production of copper are primarily lo ed in the West specifically Arizona New Mexico Utah Nevada and Montana. According to the United States Geological Survey USGS production in these states and Michigan account for more than 99% of domestic copper production.

12.3 Primary Copper Smelting - United States Environmental

12.3 Primary Copper Smelting 12.3.1 General1 Copper ore is produced in 13 states. In 1989 Arizona produced 60 percent of the total U. S. ore. Fourteen domestic mines accounted for more than 95 percent of the 1.45 megagrams Mg

Copper Mining and Processing: Processing of Copper Ores

The copper concentrate is first sent through the smelting furnace to be heated up to 2300 F and converted into molten liquid. The heated liquid is poured into a slag-settling furnace. This step produces a combination of matte a mixture of copper sulfur and iron and slag a dense glassy material made of iron silica and other impurities.

Copper Slag - an overview ScienceDirect Topics

Copper slag or fayalite slag is a by-product obtained during the matte smelting converting and refining of copper Fig. 7.11 . 5459 It has been estimated that for every tonne of copper produced about 2.2 tonnes of slag is generated 60 as a consequence of the relatively low grades of copper concentrates now available.

copper slag producing units in usa -

United States Copper Slag United States Copper Slag . Alibaba offers 29 copper slag products. About 79% of these are copper scrap 3% are other non-metallic minerals and products. A wide variety of copper slag options are available to you There are 29 copper slag suppliers mainly lo ed in North America.

UG-Mat Nonferrous Slags Recycled Materials Resource Center

Approximately 3.6 million metric tons 4 million tons each of copper and phosphorus slag are produced each year in the United States while the annual production of nickel lead and zinc slags is estimated to be in the range of 0.45 to 0.9 million metric tons 0.5 to 1.0 million tons .

ASARCO Smelting

Slag The slag is a dense glassy material of mostly iron and silica. It is tapped from a hole in the upper part of the furnace wall and carried outside to the slag dump to cool.A slag pour resembles a man-made lava flow and can be quite spectacular at night. The slag cools quickly and tends to break into pieces by itself.


In fact this makes it possible to abandon the creation of slag dumps. Introduction. The production and consumption of non-ferrous metals leads to the formation of production waste-metallurgical slag.

Metal slag processing // REMONDIS´ Lippe Plant

The special feature of LEGRAN’s metal slag processing system at the Lippe Plant is the way the material is treated. The slag and spent refractories need to be pulverised before they can be processed and this job is carried out by a rod and ball mill which dates back to the time when the site used to produce aluminium.

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copper slag producing units in usa