lightweight recycled blast furnace slag

  • crushing lightweight slag aggregate - vanmourik-tiel.nl

    Lightweight Recycled Blast Furnace Slag. Blast Furnace Slag Blast furnace slag is an industrial byproduct of iron produced in a blast furnace This slag consists primarily of silies and aluminosilies of lime and other bas (2) Aggregates for Concrete The University of Memphis The importance of using the right type and quality of aggregates,

  • Johnstown, PA - Phoenix Slag Services

    Phoenix Services is dedicated to helping metals producers minimize the impact their production processes have on the environment. We provide ways to reduce, re-use, recycle or market all co-products generated by manufacturing processes.

  • Lightweight Recycled Blast Furnace Slag

    Lightweight Recycled Blast Furnace Slag. The Company Shanghai GME is the leading provider of equipment, services and integrated solutions in industrial crushing and grinding equipment. In the last 20 years we follow the motto "Best Quality, Best Service", Shanghai Gmachine is possessed of an enviable reputation among its customers in over 50 ...

  • Terminology and Specifications - Slag Cement

    The light- weight cellular material obtained by con- trolled processing of molten blast-furnace slag with water, or water and other agents, such as steam or compressed air or both. (This is commonly used as lightweight aggregate and is not cementitious.)

  • Advances in slag recycling and reuse - UK Essays

    Advances in slag recycling and reuse. 1140 words (5 pages) Essay in Engineering ... In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. ... Rewards from using recycled slag instead of fresh slag is a ...

  • Sustainable Shotcrete Using Blast-Furnace Slag

    composed of a total of 77.71% recycled materials, including slag cement, slag aggregates, and silica ... It is better suited for lightweight aggregate mixtures and is a current placement ... Sustainable Shotcrete Using Blast-Furnace Slag ...

  • Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3

    Granulated blast furnace slag was first developed in Germany in 1853 (Malhotra 1996). Ground slag has been used as a cementitious material in concrete since the begin-ning of the 1900s (Abrams 1925). Ground granulated blast- ... Chapter 3 Fly Ash, Slag, Silica Fume, and Natural Pozzolans 3 3 ...

  • Road Construction Material – Stein Inc

    Benefits of Blast Furnace Slag Blast furnace slag is a versatile, economical byproduct of production of iron. The four distinct methods of processing molten blast furnace slag - air cooled, expanded, pelletized and granulated - produce unique materials, although all varieties of blast furnace slag share basic advantages over other aggregates.

  • Superfine slag cement - Harsco M

    When blended with cement, it produces the same quantities and gives desirable properties such as long term strength, high elasticity and crack resistance. The Superfine product has a better effect in reducing the heat of hydration than Portland Cement or Blast Furnace Slag - preventing cracking on large pours.

  • Tarmac | Blast Furnace Slag

    Formed during the manufacture of iron, molten blast furnace slag is cooled and processed in three ways to form slag aggregates for different applications. Air-cooling Cooled slowly by ambient air the slag is processed into different sizes for use primarily as a construction aggregate in ready-mixed and precast concrete, asphalt, as a fill ...

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

    The primary components of iron and steel slag are limestone (CaO) and silica (SiO 2).Other components of blast furnace slag include alumina (Alsub>2 O 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).In the case of steelmaking slag, the slag contains metal elements (such as iron) in oxide form ...

  • Oil palm shell lightweight concrete containing high volume ...

    Oil palm shell lightweight concrete containing high volume ground granulated blast furnace slag Hilmi Mahmud,University of Malaya ... Oil palm shell lightweight concrete containing high volume ground granulated blast furnace slag Payam Shafigh *, Mohd Zamin Jumaat, Hilmi Bin Mahmud, U. Johnson Alengaram ...

  • Oil palm shell lightweight concrete containing high volume ...

    Oil palm shell lightweight concrete containing high volume ground granulated blast furnace slag ... Green concrete consists of a blended concrete mix containing recycled materials that include recycled aggregates and supplementary cementing materials. ... ground granulated blast furnace slag (GGBFS), rice-husk ash, coal ash, wood ash, natural ...

  • 4 Aggregate Specifications and Requirements - in.gov

    Lightweight chert is defined as aggreg ate that has a bulk specific gravity less ... For air-cooled blast furnace sl ag or granulated blast furnace slag sand, the acid insoluble content is required to not be less than 25 % for this application. Acid insoluble requirements do not apply to crushed gravel, ... and recycled materials used in HMA ...

  • Ground Granulated Blast Furnace Slag - an overview ...

    While substitution of ground granulated blast-furnace slag for up to 70% of the portland cement in a mix has been used, there appears to be an optimum substitution percentage that produces the greatest 28-day strength. This is typically 50% of the total cementitious material but depends on the grade of ground granulated blast-furnace slag used.

  • Tarmac | Slag Aggregates

    In concrete, processed steel and blast furnace slag provide a sustainable alternative to primary aggregates in the production of lightweight or dense ready-mixed concrete. Blast furnace slag can also be used to make Ground Granulated Blast-furnace Slag (GGBS) which is used as a cement replacement in concrete.

  • Aggregates for Concrete - Civil Engineering

    Aggregates for Concrete bination of gravels or crushed stone with particles ... blast-furnace slag is also used as fine or coarse aggregate. The aggregates are usually washed and graded at the pit or plant. Some variation in the type, quality, cleanli- ... Recycled concrete, or crushed waste concrete, is a

  • SLAG CEMENT AND THE ENVIRONMENT

    Slag Cement in Concrete No. 22 Blast-furnace slag is produced in a blast furnace during the reduction of iron ore to iron. It con-sists of non-metallic minerals, which are tapped off from the blast furnace while molten. By pro-cessing blast furnace slag into slag cement or slag …

  • GENERAL INFORMATION Iron & Steel Slags about NSA IRON ...

    three distinct types of blast furnace slag can be produced: air-cooled, expanded and granulated. CHEMICAL PROPERTIES: Blast Furnace slag is produced from the melting of iron ore and limestone or dolomite. Therefore, blast furnace slag is a lime based material and has a basic pH. GENERAL INFORMATION about NSA At the turn of the Twentieth Century,

  • Recycling and environmental issues of metallurgical slags ...

    RECYCLING AND ENVIRONMENTAL ISSUES OF METALLURGICAL SLAGS AND SALT FLUXES 349 ... XIAO, Y., and BOIN, U. Recycling and environmental issues of metallurgical slags and salt fluxes. VII International Conference on Molten Slags Fluxes and Salts, The South African Institute of ... Thus crystallized blast furnace slag has little or no value as a ...

  • Blast Furnace Slag - Material Description - User ...

    Air-Cooled Blast Furnace Slag. If the liquid slag is poured into beds and slowly cooled under ambient conditions, a crystalline structure is formed, and a hard, lump slag is produced, which can subsequently be crushed and screened. Expanded or Foamed Blast Furnace Slag

  • E-1(16) Aggregates for Concrete

    Aggregate types including normalweight, lightweight and heavyweight natural aggregate; blast furnace slag aggregates; and recycled aggregates from crushed reclaimed concrete pavements are covered. Examples are provided on how to calculate and evaluate fineness modulus, batch mixture proportions adjusted for aggregate absorption, batch mixing ...

  • Recycled Expanded Pelletized Blast Furnace Slag, Type ...

    Recycled Expanded Pelletized Blast Furnace Slag, Type 2 - Litex TM 4443 (Formerly 143) Manufactured by Lafarge Canada Inc. Brand: Litex TM. Recycled Lightweight Aggregate. Categories: Buildings and Architecture | Building Products: ... ASTM C330/C330M-09 - Lightweight Aggregates for Structural Concrete

  • 3 Iron Unit Recycling - Department of Energy

    3 Iron Unit Recycling On a weight basis, steel is the most recycled material in use today (Figure 3-1). The 70 million net tons of steel recycled in 2000 were used to produce about 112 million net tons of new steel in the United States.

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