chrome recovery from slag

  • Multotec spirals boost chrome recovery

    Northam Chrome Producers has retrofitted Multotec spirals at its recovery plant in South Africa The decision to replace the existing spirals was taken following extensive testwork performed by both Northam Chrome Producers and Multotec.

  • effiCient mineral processing and Hydrometallurgical RecOvery of …

    recovery, leading to a zero-waste recycling of the entire slag materials. An important aspect hereby is that CHROMIC does not focus only on recovery of the metals, but simultaneously wants to improve the residual matrix material (i.e. the bulk) for further

  • Journal of Chemical and Pharmaceutical Research, 2013, 5(5):250 …

    Recovery of chromium from ferrochrome slag A. V. L. N. S. H. Hariharan* and D. Murali Krishna Department of Chemistry, GIT, GITAM University, Visakhapatnam, India ABSTRACT Ferro chrome slag may contain chromium in +3 and +6 oxidation

  • US6679931B1

    The slag is charged into an electric furnace, which is also charged with a standard charge of scrap and, if appropriate, dust residues. Carbon and, if appropriate, silicon are additionally added to …

  • TREATING CHROME TAILINGS FOR PGMs | …

    If too much chrome is present then a great deal more depressor needs to be added to ensure the end product meets the smelter parameters. The tailings are taken to a live tailings dam. "In the future even these tailings may be reprocessed, since it all comes down to a matter of economics when determining what percentage of recovery is optimal," Marinkovic says.

  • TREATING CHROME TAILINGS FOR PGMs | …

    If too much chrome is present then a great deal more depressor needs to be added to ensure the end product meets the smelter parameters. The tailings are taken to a live tailings dam. "In the future even these tailings may be reprocessed, since it all comes down to a matter of economics when determining what percentage of recovery is optimal," Marinkovic says.

  • Samancor Products

    To improve total ferrochrome recovery while maintaining a high-quality product, alloy recovery plants are utilised to recover the ferrochrome from the slag produced during the charge chrome process. The slag, which has a metallic content of approximately 4 percent, is processed through a series of crushers and broken down to minus 15mm material.

  • An overview of recovery of metals from slags

     · Recovery of Cr from charge chrome slagThe methods reported for recovery of Cr from charge chrome slag include magnetic separation and gravity separation. Das et al. (1997) used magnetic separation method to treat a charge chrome slag.

  • Production of Ferro-Chrome – IspatGuru

    Also it is important that there is complete separation of liquid ferro-alloy and slag during tapping so that the liquid Fe-Cr going to slag is minimal for the optimization of Cr recovery. A good reducibility and especially solid state reduction help in the utilization of more CO gas for reduction of chromite ore.

  • Ferrochrome Slag Recovery Technology In India

    Recovery of chromite values from ferrochrome industry flue dust … Recovery associated with chromite … such flue dust waste in the ferrochrome industry and also to develop processing technologies to … in the eastern a part of India. Outotec Sintering Technology for Expansion of Ferrochrome Plant ...

  • (PDF) Recovery of metal from slag/mixed metal …

    Virtually all charge chrome plants now use the crushing/jigging process to recover chrome alloy from both stockpiled and currently produced slag. Studies were carried out at R&D, Tata Steel to develop a flow sheet for the recovery of metal from metal–slag mix

  • Factors affecting nickel recovery from slags produced during platinum smelting

    nickel recovery from the slag involved taking pot and spoon samples at the same time as collecting granulated slag from the classifier. Samples of flotation feed, flotation concentrates and tailings were also collected early in 2000, and again in 2003, in order to

  • Jubilee Metals Group Plc | Dilokong ("DCM") Chrome …

    Jubilee Metals Group Plc is an industry leading metal recovery business focussed on the retreatment and metals recovery from mine tailings, waste, slag, slurry and other secondary materials generated from mining operations. Jubilee''s shares are traded on AIM (JLP) and Alt-X (JBL).

  • Google Chrome

    recovery from slags. The classifier technology can also be applied to chromite and iron ores and coal fines. 1. INTRODUCTION Over the past two years Atoll (Apic Toll Treatment (Pty) Ltd) has explored various means, other than traditional spirals for the recovery

  • EXTRACTION OF MAGNESIUM FROM CHROME SLAG BY …

    In the research work carried out on the recovery of metals from chrome slag, a lot of emphasis has been put on the recovery of chromium at elevated temperatures using solvent extraction techniques [24].Currently to the best knowledge of the researchers and ...

  • Factors affecting nickel recovery from slags produced during …

    Milled slag as flotation feed showed recovery-limiting features such as free matte with oxidized surfaces and unliberated matte inclusions in the slag. The biggest nickel

  • Characterisation and beneficiation studies of charge …

     · The textural pattern of the metallic phases indicated that complete recovery of chrome values from this slag is extremely difficult. The beneficiation study involving magnetic separation techniques indicated the possibility of recovering a product containing 57% Cr 2 O 3 with a yield of 1.5% using 2-stage magnetic separation route.

  • Characterisation and beneficiation studies of charge …

     · The textural pattern of the metallic phases indicated that complete recovery of chrome values from this slag is extremely difficult. The beneficiation study involving magnetic separation techniques indicated the possibility of recovering a product containing 57% Cr 2 O 3 with a yield of 1.5% using 2-stage magnetic separation route.

  • Chrome Ores on Ferrochrome Smelting

    Charge recipe (chrome ore/fluxes/reductant) Mass and composition of slag Mass and composition of metal Mass and composition of off gas (with or without CO combustion) Electric energy consumption Recovery rate of Cr, Fe Fig. 2

  • Recovery of Chromium from Ferrochrome Slag | Open …

    • Recovery of chromium from ferrochrome slag is 64% by treatment of slag with lime at 973K in solid phase. • The soluble chromium ion was extracted with water. • The chromium from liquid extract is separated with fly ash based zeolite which has 3000 mmol/gram and it …

  • Recovery of Chromium from Ferrochrome Slag

    Recovery of chromium from ferrochrome slag is 64% by treatment of slag with lime at 973K in solid phase. The soluble chromium ion was extracted with water. The chromium from liquid extract is separated with fly ash based zeolite which has 3000 mmol/gram and it

  • The recovery of ferrochrome from slag at Zimasco

    Six commercial plants have been built and are now operating, one of which is at Zimasco''s ferro-chromium smelting complex in KweKwe, Zimbabwe. This plant is now producing saleable ferrochrome containing less than 2% slag at a recovery of over 96% of liberated metal

  • Manufacture of chrome alloy steel

    The chrome recovery is carried out largely toward the end of the heat when an increase in basicity and a decrease in ferrous oxide has been obtained by means of a slag deoxidizer. The slag in its early stages is more or less acid. Some of the melted iron is ...

  • Google Chrome

    The solid slag from chrome alloy smelting, i.e, chromite smelting slag, will occupies areas, pollute environment and damage people''s health. Here is some share about chromite alloy recovery from the smelting slag and recycling of smelting slag.

  • Journal of Chemical and Pharmaceutical Research, 2013, 5(5):250 …

    Recovery of chromium from ferrochrome slag A. V. L. N. S. H. Hariharan* and D. Murali Krishna Department of Chemistry, GIT, GITAM University, Visakhapatnam, India ABSTRACT Ferro chrome slag may contain chromium in +3 and +6 oxidation

  • (PDF) Recovery of chromium from ferrochrome slag

    Separation and determination of chromium content of the slag samples collected from Jindal Ferro Alloys Corporation, (Kottha valasa, Visakhapatnam Dt.) has been carried out following extraction...

  • Google Chrome

    The solid slag from chrome alloy smelting, i.e, chromite smelting slag, will occupies areas, pollute environment and damage people''s health. Here is some share about chromite alloy recovery from the smelting slag and recycling of smelting slag.

  • Chrome Ores on Ferrochrome Smelting

    Charge recipe (chrome ore/fluxes/reductant) Mass and composition of slag Mass and composition of metal Mass and composition of off gas (with or without CO combustion) Electric energy consumption Recovery rate of Cr, Fe Fig. 2

  • Google Chrome

    Insert the recovery USB and the recovery process should start automatically and hopefully complete successfully. Once complete the system will ask you to restore the OS verification (can''t remember if this was before or after power up).

  • Ferrochrome Slag Recovery Technology In India

    Recovery of chromite values from ferrochrome industry flue dust … Recovery associated with chromite … such flue dust waste in the ferrochrome industry and also to develop processing technologies to … in the eastern a part of India. Outotec Sintering Technology for Expansion of Ferrochrome Plant ...

  • recovery of ferrochrome slag for spiral chute

    Recovery of chromium from ferrochrome slag Journal of Chemical . Ferro chrome slag may contain chromium in +3 and +6 oxidation states. . chromium content of the slag samples collected from Jindal Ferro Alloys Corporation,. Chat Hexavalent chromium Chat

  • Google Chrome

    The solid slag from chrome alloy smelting, i.e, chromite smelting slag, will occupies areas, pollute environment and damage people''s health. Here is some share about chromite alloy recovery from the smelting slag and recycling of smelting slag.

  • Chromium processing | Britannica

     · Chromium processing, preparation of the ore for use in various products. Chromium (Cr) is a brilliant, hard, refractory metal that melts at 1,857 C (3,375 F) and boils at 2,672 C (4,842 F). In the pure state it is resistant to ordinary corrosion, resulting in its

  • Production of Ferro-Chrome – IspatGuru

    Also it is important that there is complete separation of liquid ferro-alloy and slag during tapping so that the liquid Fe-Cr going to slag is minimal for the optimization of Cr recovery. A good reducibility and especially solid state reduction help in the utilization of more CO gas for reduction of chromite ore.

  • Modeling of a Milling and a Spiraling Circuit to Recover High Carbon-Ferro-Chrome from Slag

    High Carbon-Ferro-Chrome from Slag DISSERTATION Prepared by Refilwe Kopong (0400537k) Submitted to ... (17.21% Cr in concentrate) and recovery/yield of 41% obtained from a single stage rougher spiral test. The Rao (2004) model was however, superior ...

  • Multotec spirals boost chrome recovery

    Northam Chrome Producers has retrofitted Multotec spirals at its recovery plant in South Africa The decision to replace the existing spirals was taken following extensive testwork performed by both Northam Chrome Producers and Multotec.

  • EXTRACTION OF MAGNESIUM FROM CHROME SLAG BY …

     · In the research work carried out on the recovery of metals from chrome slag, a lot of emphasis has been put on the recovery of chromium at elevated temperatures using solvent extraction techniques [24].Currently to the best knowledge of the researchers and

  • Chromium oxide reduction from slag by silicon and …

    It was found that chrome was partially bound into stable spinel phase MgO-Cr 2 O 3 in the final slag. Thermodynamic estimations were made to determine the effect of process temperature, slag basicity and the amount of reducing agents in the slag on the Cr recovery.

  • Modeling of a Milling and a Spiraling Circuit to Recover High …

    High Carbon-Ferro-Chrome from Slag DISSERTATION Prepared by Refilwe Kopong (0400537k) Submitted to School of Chemical and Metallurgical Engineering, Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg

  • Chrome Ores on Ferrochrome Smelting

    Charge recipe (chrome ore/fluxes/reductant) Mass and composition of slag Mass and composition of metal Mass and composition of off gas (with or without CO combustion) Electric energy consumption Recovery rate of Cr, Fe Fig. 2

  1. fine chrome recovery in tailings plant
  2. blast furnance slag mill
  3. wuhan iron and steel slag powder
  4. compound crusher used for breaking blast furnace slag
  5. slag cement and crusher dust
  6. slag grinding loesche
  7. slag quarry plant supplies in myanmar
  8. slag crushing mills
  9. copper slag best in hpc concrete
  10. slag grinding lehigh cement
  11. hottest selling steel slag vertical mill bluestone pwoder vertical mill
  12. slag crusher blast
  13. iron and steel slag available india which plant
  14. slag crusher izmelcheniya
  15. slag mining equipments price in egypt
  16. processing of slag
  17. south chicago slag grinding plant
  18. slag mining plant for sale in zambia
  19. crusher for slag in ulanude
  20. slag quarry plant manufacturers in united states
  21. slag washing equipment cost
  22. slag grinding millindex
  23. slag crushing plant pakistan 679
  24. slag crushing service
  25. copper ore slag crushers
  26. machine for coarse slag crushing
  27. steel slag processing
  28. slag crusher machine for
  29. slag crusher spares 33718
  30. copper slag screening equipment copper slag screening machine cost dolomite

Copyright © All rights reserved | Sitemap Jaw crusher / Cone crusher / Contact Us