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· Yilmaz A, Karaşahin M (2013) Compressive strength of cement-bound base layers containing ferrochromium slag. Turk J Eng Environ Sci 37:247–258. CrossRef Google Scholar Yilmaz A, Karasahin M (2010) Mechanical properties of ferrochromium slag in granular layers of flexible pavements. Mater Struct 43:309–317
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به خواندن ادامه دهید· Ferrochrome Slag/Aggregate is a delisted material, but may not be used in a downstream application prior to the approval of a Section 20(1) permit in terms of the Environment Conservation Act, 1989 (Act 73 of 1989) for the storage of Afrigrit Ferrochrome Slag/Aggregate and subject to the conditions therein.
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به خواندن ادامه دهید· Slags coming from stainless steel (SS) and ferrochromium (FeCr) production generally contain between 1 and 10% Cr, mostly present in entrapped metallic particles (Fe–Cr alloys) and in spinel structures. To recover Cr from these slags, magnetic and gravity separation techniques were tested for up-concentrating Cr in a fraction for further …
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به خواندن ادامه دهیدMar 08, 2009 0183 32 Ferrochromium slag is a waste material obtained from the manufacture of ferrochromium FeCr This article reports the results of experiments, aiming to identify the properties of ferrochromium slag when it is used as an artificial aggregate for preparation of granular layers of flexible pavements The experimental program consisted of two stages 1 …
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به خواندن ادامه دهید· Ferrochromium slag is a waste material obtained from the manufacture of ferrochromium (FeCr). This article reports the results of experiments, aiming to identify the properties of ferrochromium slag when it is used as an artificial aggregate for preparation of granular layers of flexible pavements. The experimental program consisted of two stages: (1) …
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به خواندن ادامه دهید· Hexavalent Chromium Removal By Ferrochromium Slag. Jun 02 2016 Chromium contamination of soil and water is a sig-nificant problem since hexavalent form of chromium is highly toxic mutagenic and potentially carcinogenic to liv-ing organisms 1718. The most stable oxidation states of chromium are CrIII and CrVI in aqueous systems.
به خواندن ادامه دهید· slag kell) upeaction 1st alloy 12.14'4 si smelting furnace i alloy 40'/.cr si ) slag to waste i r mould / crusher lump cr ore 11rd reaction slag to waste ( r4 cr203) final alloy 65-70'4 cr — fl ow sh e e t of duplex process rich alloy a chrome ore ill r— s. 4 3 -35% to quartz ic, intermedire silt co chrome alloy 30*/. intermediate
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به خواندن ادامه دهید· slag. The thermit product/button is weighed to understand the product yield. Subsequently, the thermit ferrochromium button is broken into small chunks using a jaw crusher. Characterization and analysis of the In Silico Screening of Organo-selenium Compounds..Technology for preparation of low-carbon..
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به خواندن ادامه دهید· Ferrochromium slag remains as a waste product in the production of high-carbon ferrochromium metal in the Dalmacija Ferroalloys Works, Dugi Rat, Croatia. After crushing of the air-cooled slag to the grain size in the range of 0–16 mm (first by a hammer crusher and then by a cone beaker), the metallic globules of ferrochromium metal were ...
به خواندن ادامه دهیدMedium-carbon ferrochrome is also a product of interest in the foundry industry and in steelmaking plants where refining capacity is limited but low silicon content is desired. Most of the medium-carbon FeCr is produced by the oxygen-converter method. It is based on carbon removal from liquid high-carbon ferrochrome (8% to 9% C, 0.3% to 0.5% Si, 0.04% P) with gaseous …
به خواندن ادامه دهید· TO SLAG DURING HCFeCr PRODUCTION AT FERBASA 1Eli Ringdalen, 2Marcelo Rocha, 2 Joao Ramos Neto, ... High Carbon Ferrochromium, HCFeCr, is mainly produced by reduction of chromite ores by carbon in Submerged Arc Furnaces (SAF). ... taken out by first crushing the lumps down to about -5 mm in a jaw crusher. Each of the ores was
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به خواندن ادامه دهید· After gravity separation of the HC FeCr slag, a fraction with a Cr content close to high grade Cr ores ( 50% Cr2O3) can be obtained. This fraction represents 12 wt.% of the HC FeCr slag, and can probably be used directly in traditional smelting processes. Keywords: stainless steel slag; ferrochromium slag; magnetic separation; gravity separation 1.
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