steel slag limestone

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  • Evaluation of steel slag and crushed limestone mixtures as ...

    The physical properties of steel slag aggregates are superior to those of crushed limestone aggregates. The major difference between the steel slag and crushed limestone aggregate is the bulk specific gravity. The bulk specific gravity of the steel slag aggregates is 3.34 while it is 2.4 for the crushed limestone aggregates.

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    Comparison of properties of steel slag and crushed limestone ...

    Steel slag is produced as a by-product during the oxidation of steel pellets in an electric arc furnace. This by-product that mainly consists of calcium carbonate is broken down to smaller sizes to...

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    Evaluation of steel slag and crushed limestone mixtures as ...

    The major difference between the steel slag and crushed limestone aggregate is the bulk spe- cific gravity. The bulk specific gravity of the steel slag aggre- gates is 3.34 while it is 2.4 for the crushed limestone aggregates. The water absorption of the steel slag aggregates is almost one-fourth of that of the crushed limestone aggre- gates.

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    Limestone and Steel Slag Leach Beds – Mine Closure

    Limestone aggregate leach beds can generate 50 to 75 mg/l alkalinity, while steel slag, an alkaline waste product of steel manufacturing, can produce over 2,000 mg/l alkalinity Simmons et al. 2002, Goetz and Riefler 2014 .

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    Generation of iron and steel slag : NIPPON SLAG ASSOCIATION

    The basis of slag is limestone used as auxiliary material in the production of iron and steel. While limestone may seem unrelated to the production of iron and steel, it actually is an essential auxiliary material that is added during the production process.

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    Investigation on phosphogypsum–steel slag–granulated blast ...

    This study investigated a cementitious material by utilizing two industrial wastes, phosphogypsum PG and steel slag SS , combined with another industrial byproduct ground granulated blast-furnace slag GGBFS and limestone LS . The 28d compressive strength of a mixture of 45% PG, 10% SS, 35% GGBFS and 10% LS exceeded 40 MPa.

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    Chemical characteristics of iron and steel slag : NIPPON SLAG ...

    Chemical composition of iron and steel slag The primary components of iron and steel slag are limestone CaO and silica SiO 2 . Other components of blast furnace slag include alumina Alsub>2O 3 and magnesium oxide MgO , as well as a small amount of sulfur S , while steelmaking slag contains iron oxide FeO and magnesium oxide MgO .

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