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(PDF) AOD slag treatments to recover metal and to

The -75 μ m fines in the original AOD slag are ar ound 20%, picture 1A and figure 5. The water. spray cooling generated about 9% of slag pieces of +25 mm. Afte

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(PDF) Treatments of AOD slag to produce aggregates for ...

Qixing Yang, Fredrik Engström, Mia Tossavainen and Mingzhao He: AOD slag Treatments to recover Metal and to Prevent Slag Dusting, Proceedings of The 7

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AOD slag treatments to recover metal and to prevent slag ...

AOD slag treatments to recover metal and to prevent slag dusting. Yang, Qixing . Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering. Engström, Fredrik . ORCID iD: 0000-0001-9297-8521. Tossavainen, Mia .

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AOD slag treatments to recover metal and prevent slag

AOD slag treatments to recover metal and prevent slag dusting . By He Mingzhao. Topics: AOD, Slag treatment, Metal recovery, Slag dusting prevention ...

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Treatments of AOD Slag to enhance recycling and resource ...

The reduced slag was either water granulated or cooled in an Al2O3 crucible. Metal droplets, suitable for recycling as metallic materials in the steelmaking, were recovered after the slag granulation. Characterizations of slag samples from the tests show considerable influences of the treatments on physical and mineralogical properties of the slag.

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Treatments of AOD slag to produce aggregates for road ...

2021-11-13  The University of Queensland's institutional repository, UQ eSpace, aims to create global visibility and accessibility of UQ’s scholarly research.

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aod slag treatments to - tibet-normandie

2021-11-28  (Pdf) Aod Slag Treatments To Recover Metal And To Prevent . pdf laboratory treatment tests of aod slag from stainless steelmaking have been carried out by mimer, minerals and metals recycling research centre,.,method for rapidly judging aod (argon oxygen ,by the method, the analysis time of the alkalinity of the aod slags and the cr2o3 is shortened from 2-4

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(PDF) Dissolution Behavior of Fluorine from AOD Slag after ...

AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization.

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(PDF) DISSOLUTION BEHAVIOR OF FLUORINE IN AOD

Qixing Yang et al., "AOD slag Treatments to recover Metal and to Prevent Slag Dusting", in Proceedings of The 7th Nordic-Japan Symposium on Science and Technology of

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Dissolution Behavior of Fluorine from AOD Slag after ...

AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization. Results from the slag tests and sample characterizations indicate that the slag re-melting with or without reduction and granulation with either water or gas have rather small effects on F leaching, as well as formation of different

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AOD slag treatments to recover metal and to prevent slag ...

AOD slag treatments to recover metal and to prevent slag dusting. Yang, Qixing . Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering. Engström, Fredrik . ORCID iD: 0000-0001-9297-8521. Tossavainen, Mia .

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Treatments of AOD slag to produce aggregates for road ...

2021-11-13  The University of Queensland's institutional repository, UQ eSpace, aims to create global visibility and accessibility of UQ’s scholarly research.

More

Treatments of AOD slag to produce aggregates for road ...

Treatments of AOD slag to produce aggregates for road construction. Yang, Qixing . Nedar, Lotta . Outokumpu, Avesta. Engström, Fredrik . Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.

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Treatments of AOD Slag to enhance recycling and resource ...

The reduced slag was either water granulated or cooled in an Al2O3 crucible. Metal droplets, suitable for recycling as metallic materials in the steelmaking, were recovered after the slag granulation. Characterizations of slag samples from the tests show considerable influences of the treatments on physical and mineralogical properties of the slag.

More

Toxicity assessment of the utilization of AOD slag as a ...

2021-12-15  The use of AOD slag as mineral fertilizer has aroused rare attention in plant nutrition and toxicology. AOD slag has the chemical compositions of CaO, SiO 2, MgO and FeO, capable of providing nutrients for plant growth (Baciocchi et al., 2015).Moreover, there is nearly no heavy metals of Cd, Hg, As, Pb, Tl, Co, V and Sb in the AOD slag.

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Dissolution Behavior of Fluorine from AOD Slag after ...

AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization. Results from the slag tests and sample characterizations indicate that the slag re-melting with or without reduction and granulation with either water or gas have rather small effects on F leaching, as well as formation of different

More

Effect of Modified Argon Oxygen Decarburization (AOD ...

Abstract. The stainless steel slag of argon oxygen decarburization (AOD) is a kind of alkaline waste with cementitious activity phase, which can change the β - C 2 S to γ - C 2 S phase in the process of natural cooling and reduce the cementitious activity of the steel slag. What’s worse, the large difference of the density of the two crystal phases will lead the AOD slag to pulverize.

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AOD Scientific.Net

Abstract: AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization. Results from the slag tests and sample characterizations indicate that the slag re-melting with or without reduction and granulation with either water or gas have rather small effects on F ...

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Dissolution behavior of fluorine from AOD slag after ...

AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization. Results from the slag tests and sample characterizations indicate that the slag re-melting with or without reduction and granulation with either water or gas have rather small effects on F leaching ...

More

Recovery of chromium from chromium-bearing slags

2021-5-10  SAF slag, EAF slag, and AOD slag are typical chromium-bearing SSS slags. The recovery of chromium from those slags via appropriate methods has significant economic and environmental benefits. The physicochemical features of SAF slag, EAF slag, and AOD slag were appraised in this study, including a relatively high content of chromium and complex ...

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AOD slag treatments to recover metal and to prevent slag ...

AOD slag treatments to recover metal and to prevent slag dusting. Yang, Qixing . Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering. Engström, Fredrik . ORCID iD: 0000-0001-9297-8521. Tossavainen, Mia .

More

AOD slag treatments to recover metal and prevent slag

2021-3-24  The University of Queensland's institutional repository, UQ eSpace, aims to create global visibility and accessibility of UQ’s scholarly research.

More

Treatments of AOD slag to produce aggregates for road ...

Treatments of AOD slag to produce aggregates for road construction. Yang, Qixing . Nedar, Lotta . Outokumpu, Avesta. Engström, Fredrik . Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.

More

Treatments of AOD Slag to enhance recycling and resource ...

The reduced slag was either water granulated or cooled in an Al2O3 crucible. Metal droplets, suitable for recycling as metallic materials in the steelmaking, were recovered after the slag granulation. Characterizations of slag samples from the tests show considerable influences of the treatments on physical and mineralogical properties of the slag.

More

Toxicity assessment of the utilization of AOD slag as a ...

2021-12-15  The use of AOD slag as mineral fertilizer has aroused rare attention in plant nutrition and toxicology. AOD slag has the chemical compositions of CaO, SiO 2, MgO and FeO, capable of providing nutrients for plant growth (Baciocchi et al., 2015).Moreover, there is nearly no heavy metals of Cd, Hg, As, Pb, Tl, Co, V and Sb in the AOD slag.

More

Mineralogical influence of different cooling conditions

2016-9-30  AOD slag Treatment to recover Metal and to prevent Slag Dusting, Proceedings of The 7th Nordic-Japan Symposium on Science and Technology of Process Metallurgy, Jernkontoret, Stockholm, September 15-16, 2005. VI. Qixing Yang, Lotta Nedar, Fredrik Engström and Mingzhao He: Treatments of AOD slag to Produce Aggregates for Road

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Effect of Modified Argon Oxygen Decarburization (AOD ...

Abstract. The stainless steel slag of argon oxygen decarburization (AOD) is a kind of alkaline waste with cementitious activity phase, which can change the β - C 2 S to γ - C 2 S phase in the process of natural cooling and reduce the cementitious activity of the steel slag. What’s worse, the large difference of the density of the two crystal phases will lead the AOD slag to pulverize.

More

Dissolution behavior of fluorine from AOD slag after ...

AOD slag samples from steel works of Outokumpu Stainless Company were used to study F-dissolution relating to treatments for volume stabilization. Results from the slag tests and sample characterizations indicate that the slag re-melting with or without reduction and granulation with either water or gas have rather small effects on F leaching ...

More

A computational study on the mixing and reduction of

2021-12-1  Normalised slag compositions for all the considered slags are presented in Table 1, in which compositions of EAF, AOD and LF slags are presented for two different production lines at the Tornio plant.CRC process exists only on one production line and only one composition is presented for SAF slags to represent the mixture of ferrochrome slags from three submerged

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Characteristics of steel slags and their use in cement and ...

2018-9-1  In China, BOF slag accounts for about 70% of the annual steel slag production (Cheng and Yang, 2010).In the BOF process (), minor steel scrap and a large amount of molten iron from ironmaking as well as fluxes (lime/dolomite) are added into the furnace, and a 99% pure oxygen flow is applied at supersonic speed through a lance to initiate intense oxidation reactions at a

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