Copper slag is a by-product obtained during matte smelting and refining of copper. The common management options for copper slag are recycling, recovery of metal and production of value-added products.
Read MoreThe preference of the Rio Grande was for precious minerals slag as being the best for ballast purposes. The two pits used were Midvale from a large slag dump of years of smeltering and the Leadville smelter dump for the same reason. Slag was broken up at the pit by a dozer with a large toothed blade, loaded on the cars, and dumped where needed.
Read More----- EPA-600/2-80-079 May 1980 CONTROL OF COPPER SMELTER FUGITIVE EMISSIONS by Timothy W. Devitt PEDCo Environmental, Inc. 11499 Chester Road Cincinnati, Ohio 45246 Contract No. 68-02-2535 Project Officer A. B. Craig, Jr. Metals and Inorganic Chemicals Branch Industrial Environmental Research Laboratory Cincinnati, Ohio 45268 INDUSTRIAL …
Read MoreCopper smelting slag (CSS) is a solid waste produced from the pyro-metallurgical copper production. ... Also, CSS has been used as abrasive, tiles, road-base materials, railroad ballast, cement, and concrete (Shi et al., 2008). Currently, CSS is still mainly disposed by stockpiling. Therefore, the exploration of novel and efficient strategies ...
Read MoreCement is made from base metal smelter slag produced by a nickel, copper, lead or zinc smelter. The slag is ground to a size within the range of from about -250 to about 425 mesh to produce ground slag cement, and the ground slag cement is mixed with Type 3 high early strength Portland cement in a ratio of at least about 0.5:1 by weight to produce a blended …
Read MoreThe slag has irregular fine irregularities of 1 to 3 mm with a black glassy luster. Fig. 1 shows the XRD analysis results of the copper smelting slag used 2.2. Experimental apparatus in this experiment. In the copper smelting slag, peaks of peculiar …
Read MoreCommon applications of copper smelting slag are the value added products such as abrasive tools, roofing granules, road-base construction, railroad ballast, fine aggregate in concrete, etc., as well as the some studies have attempted to recover metal values from copper slag.
Read MoreIn many places along the route the ballast, refinery slag still stretches for miles. Of course the ghost towns of Fairbank and Charleston can easily be visited using paved county roads, though other than roadbed & slag ballast, nothing of this interesting 19th century railroad exists to be seen and contemplated.
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Read MoreSince copper smelting slag contains high content of iron, and copper and zinc, common applications of copper smelting slag can be used in value-added products such as abrasive tools, roofing granules, road-base construction, railroad ballast, fine aggregate in concrete, etc. Some studies have attempted to recover metal values from copper slag.
Read MoreA study of the recovery of copper, nickel and cobalt from copper converter and smelter slags by leaching with ferric chloride is reported. The converter slag …
Read MoreThe slag would have been readily available for use as railroad ballast, since the Smelter Mountain site is just southwest of the rail terminus in downtown Durango. The samples were collected beside the Durango-Silverton railway line, along a siding above the right (west) bank of the Animas River.
Read MoreMar 08, 2016· Copper Slag. Air-cooled copper slag has a black color and glassy appearance. As a general rule, the specific gravity will vary with iron content, from a low of 2.8 to as high as 3.8. (15) The unit weight of copper slag is somewhat higher than that of conventional aggregate. The absorption of the material is typically very low (0.13 percent).
Read MoreAlso, copper slag can be utilized to make the products like cement, fill, ballast, abrasive, aggregate, roofing granules, glass, tiles etc. (Shen and Forsberg, 2003). Copper Slag Processing Recycling today's copper slag is similarly possible. Recovery of metals from
Read MoreCopper smelter slag railroad ballast recovery crusher copper smelter slag railroad ballast recovery slag crusher aluminum recovery get price crushers for slag recoverynilatech coal crusher for aluminum slagstone ore metal recovery from slag crusher and slag grinding machine is widely used in slag crushing industry all over.
Read MoreApr 12, 2005· Here in SE Arizona there are two rail lines -- an old SP line that ran along the banks of the San Pedro River from Benson southward to Naco, and crossing the border into Mexico, and the now Union Pacific Sunset Route running East-West through the state. The old SP line along the river was ballasted with copper smelter slag, which is black.
Read MoreJan 01, 2019· Disposal of slag is problem and a waste when disposed without recovery of any viable metals from the initial process. Investigation the dump of BCL will be necessary cost â€" reduction/injection for the plant. Fig. 2. (a) Copper slag Copper pyro metallurgical slags are inevitable waste by â€" products of copper smelting operations.
Read MoreNov 01, 2003· The copper slag generated at Kure, has been investigated by Acma et al. (1997) for the recovery of copper, cobalt and production of magnet grade iron oxide by pyro-hydrometallurgical route. The fayalitic slag analysing about 0.8% Cu and 0.4% Co is reduced with coke/graphite in a DC arc furnace to yield a liquid alloy rich in iron containing ...
Read MoreCopper slag however is not effectively utilized in the United States, whereas in Canada, approximately 45% of it is used in base construction, railroad ballast, and engineered fill [2]. 1Assistant Professor, Dept. of Civil & Environmental Engineering, Arizona State University, Tempe, Arizona, 85287-5306.
Read MoreSince copper smelting slag contains high content of iron, and copper and zinc, common applications of copper smelting slag can be used in value-added products such as abrasive tools, roofing granules, road-base construction, railroad ballast, fine aggregate in concrete, etc. Some studies have attempted to recover metal values from copper slag.
Read MoreThe minerals are partially oxidized and melted, resulting in segregated layers. The matte layer refers to the iron-copper sulfide mixture which sinks to the bottom. The slag, which refers to the remaining impurities, floats on top of the matte. The slag is discarded on site or sold as railroad ballast and sand blasting grit.
Read MoreJan 06, 2021· A small amount of slag is sold for railroad ballast and for sand blasting grit. A third product of the smelting process is sulfur dioxide, a gas that is collected, purified, and made into sulfuric acid for sale or for use in hydrometallurgical leaching operations. Following smelting, the copper matte is fed into a converter.
Read MoreSTOCKPILED FINE SLAG ARKANSAS VALLEY SMELTER SLAG PILE CALIFORNIA GULCH SUPERFUND SITE (OPERABLE UNIT 3) LEADVILLE, COLORADO May 1998 U.S. Environmental Protection Agency 999 18th Street, Suite 500 Denver, Colorado 80202
Read MoreA method of recovering metals and producing a secondary slag from base metal smelter slag produced by a copper or nickel smelter includes mixing the smelter slag with at least one reducing agent selected from the group consisting of carbon, calcium carbide, ferrosilicon and aluminum, said carbon and calcium carbide (if present) being from about 1% to about 40% by …
Read MoreA method of making concrete from base metal smelter slag includes grinding the slag to a size within the range of from about -250 to about 425 mesh to produce ground slag cement, mixing the ground slag cement with Type 3 high early strength Portland cement in a ratio of at least about 0.5:1 by weight, and adding sand and stone to produce a concrete.
Read MoreIn fact, some of the last trains to run on TP were ballast extras from the slag piles at Eilers. They also used slag from the steel mill at Pueblo and the Kennecott copper smelter at Bingham (Salt Lake City). From what I was told, UP stopped using slag when they took over the SP. Edited 1 time(s). Last edit at 06/25/11 13:26 by WW.
Read MoreMetal-refining Slag, used widely as rail-bed ballast, --- originating at the copper-nickel smelters of Sudbury, Ontario, Canada . Figure 1. Here is a typical example of the slag found as ballast on railway lines (past and present) throughout southern Ontario.
Read MoreJan 23, 2017· The cakes are broken up with hammers, the eye-bolts are withdrawn, and the slag goes through the crusher, and is loaded on railroad cars, ready for use as ballast. The Omaha and Grant Smelting Company.—At the works of this company in Omaha, another adaptation of the Devereux system is in use.
Read MoreCommon applications of copper smelting slag are the value added products such as abrasive tools, roofing granules, road-base construction, railroad ballast, fine aggregate in concrete, etc., as ...
Read MoreMay 03, 2014· Copper slag is a by-product obtained during smelting and refining of copper. The waste copper slag can be used as abrasive tools, road construction, and ballast. Despite increasing rate of reusing copper slag, the huge amount of its annual production is disposed in dumps or stockpiles to date. One of the greatest potential applications for ...
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