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iron recovery from slag processing

iron recovery from slag processing

Nov 20, 2016 · The effect of adding Al on the reduction of iron oxide and subsequent iron recovery from waste copper slag at 1773 K was investigated by considering the thermophysical properties of the slag. The content of FeO and Al 2 O 3 in the molten slag varied dramatically over a 5-min period, followed by nearly constant values. Because the reaction area and volume could not be determined (due to the …

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processforrecoveryofironfrom copperslag- agrawal

processforrecoveryofironfrom copperslag- agrawal

A process for the recovery of iron from copper slag which comprises: i. selecting and grinding the copper slag to [the] a size in the range of 2-15 mm. ii. mixing homogeneously copper slag, a reductant and a flux in the ratio range between 20:1:4 to 20:3:10

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recoveryof value metals from copper smelterslagby

recoveryof value metals from copper smelterslagby

Nov 14, 2013 · To increase the completeness of iron recovery to water-soluble form, experiments at higher duration of thermal processing were conducted. Further higher treatment time favors the increase in iron recovery . As can be seen at Fig. 5 iron almost completely recovered to water-soluble form at 320 °C for 300 min. This fact can be used for selective recovery of zinc, copper, and iron from copper …

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an overview of recovery of metals from slags

an overview of recovery of metals from slags

Nov 16, 2020 · The internal recycling of steel slag is considered to be the best method because calcium, magnesium, manganese, vanadium, iron, rare elements, etc., in the slag can be recovered, and a large

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iron recoveryfrom discarded copperslagin a rhf direct

iron recoveryfrom discarded copperslagin a rhf direct

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang obtained iron powder of 92.96% iron content with an iron recovery rate of 93.49%. Both of their tests have achieved good results

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recovery of iron from waste slag of pyrite processing

recovery of iron from waste slag of pyrite processing

The experimental results show that under the treatment condition in this work about 70% of the iron was recovered from the waste slag, where the iron content in the concentrate is 57%. After the further treatment with chlorinated segregation–magnetic separation, the …

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enhancement of iron recovery from steelmaking slag fines

enhancement of iron recovery from steelmaking slag fines

Jul 28, 2016 · Steelmaking slags are usually processed for iron recovery by dry magnetic separation. The recovered iron-rich products are recycled back into the ironmaking and steelmaking processes to replace high-cost steel scrap and iron ores. However, current slag processing is far away from optimum conditions, especially for slag fines with small particle sizes, resulting in generation of nonrecyclable

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us20070283785a1 - process for recovery of iron from copper

us20070283785a1 - process for recovery of iron from copper

The Lichty patent discloses a process for recovery of metals from metallurgical slag wherein silicon is used as a reducing agent to obtain iron and copper from the slag. The Kuzell patent discloses

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recovery of iron and removal of hazardous elements from

recovery of iron and removal of hazardous elements from

Nov 20, 2016 · The effect of adding Al on the reduction of iron oxide and subsequent iron recovery from waste copper slag at 1773 K was investigated by considering the thermophysical properties of the slag. The content of FeO and Al 2 O 3 in the molten slag varied dramatically over a 5-min period, followed by nearly constant values. Because the reaction area and volume could not be determined (due to the …

Learn More
an overview of recovery of metals from slags

an overview of recovery of metals from slags

Nov 16, 2020 · The internal recycling of steel slag is considered to be the best method because calcium, magnesium, manganese, vanadium, iron, rare elements, etc., in the slag can be recovered, and a large

Learn More
process for recovery of iron from copper slag - agrawal

process for recovery of iron from copper slag - agrawal

A process for the recovery of iron from copper slag which comprises: i. selecting and grinding the copper slag to [the] a size in the range of 2-15 mm. ii. mixing homogeneously copper slag, a reductant and a flux in the ratio range between 20:1:4 to 20:3:10

Learn More
iron recovery from discarded copper slag in a rhf direct

iron recovery from discarded copper slag in a rhf direct

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang obtained iron powder of 92.96% iron content with an iron recovery rate of 93.49%. Both of their tests have achieved good results

Learn More
recovery of value metals from copper smelter slag by

recovery of value metals from copper smelter slag by

Nov 14, 2013 · To increase the completeness of iron recovery to water-soluble form, experiments at higher duration of thermal processing were conducted. Further higher treatment time favors the increase in iron recovery . As can be seen at Fig. 5 iron almost completely recovered to water-soluble form at 320 °C for 300 min. This fact can be used for selective recovery of zinc, copper, and iron from copper …

Learn More
recoveryofironfrom wasteslagof pyriteprocessing

recoveryofironfrom wasteslagof pyriteprocessing

A considerable amount of waste slag from the pyrite roasting process is produced every year. Recovery of iron from the waste slag is of great interest for maximum use of mineral resource, reduction

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metal recovery and crushing plants| harsco environmental

metal recovery and crushing plants| harsco environmental

Custom-designed for each application, our slag processing plants keeps the maximum environmental impact in mind. At our Metal Recovery Plant, a crushing and magnetic separation process is used to recover the metal contained in iron and steelmaking slag. This can then be effectively reused in the steelmaking process

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enhancement ofiron recovery from steelmaking slag fines

enhancement ofiron recovery from steelmaking slag fines

Jul 28, 2016 · Steelmaking slags are usually processed for iron recovery by dry magnetic separation. The recovered iron-rich products are recycled back into the ironmaking and steelmaking processes to replace high-cost steel scrap and iron ores. However, current slag processing is far away from optimum conditions, especially for slag fines with small particle sizes, resulting in generation of nonrecyclable …

Learn More
recoveryofironfrom wasteslagof pyriteprocessing

recoveryofironfrom wasteslagof pyriteprocessing

A considerable amount of waste slag from the pyrite roasting process is produced every year. Recovery of iron from the waste slag is of great interest for maximum use of mineral resource, reduction of environment impact and improvement of economical benefits to the related companies. The objectives of the present work are focused on: compare various options for recovery of iron from the waste slag and …

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recoveryof high gradeironcompounds from ldslagby

recoveryof high gradeironcompounds from ldslagby

A representative sample of LD slag provided from French steel industry was treated by different physical separation techniques especially used in mineral processing. The results of characterisation study show that the LD slag may contain up to 35% of iron compounds

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metal recovery and crushing plants| harsco environmental

metal recovery and crushing plants| harsco environmental

At our Metal Recovery Plant, a crushing and magnetic separation process is used to recover the metal contained in iron and steelmaking slag. This can then be effectively reused in the steelmaking process. Crushing and sizing the demetallized slag generates specific size fractions for marketing as aggregates, too – and Harsco Environmental has a long history of innovating within the MRP refining process and …

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