Sulphuric acid resistant ecofriendly concrete from ...

In this study, geopolymer is prepared from 'ground granulated blast furnace slag' (GGBS)–a powder from grinding the by-product of slag waste from blast furnace of steel plants. For comparison, conventional cement, Portland pozzolana cement (PPC) containing fly ash was considered.

Which kind of slag recycling equipment is better? - Quora

Answer: Slag recovery and treatment equipment is conducive to environmental protection. Slag is a part left over from the process of ore mining, which will affect the natural ecological environment without reasonable use. In order to deal with slag with zero pollution reasonably, dry discharge of...

Effect of blast furnace slag powder on compressive ...

Compressive strength of blast furnace slag concrete with different dosage of slag was studied as a partial replacement of cement. From the experimental investigations, it has been observed that, the optimum replacement of Ground Granulated Blast Furnace Slag Powder to cement without changing much the compressive strength is 15%.

Effectiveness of Jet Milling for Producing Superfine ...

The paper examines the effect of ball (drum) grinding and jet milling on the particle size distribution and specific surface area of the powders produced from blast-furnace slag. The effectiveness of jet milling, providing relatively equal powder particles (more than 85% of the fractions is 0–10 μm in size), is shown. Decrease in the average particle size leads to greater specific surface ...

Fly Ash, Slag, Silica Fume, and Natural Pozzolans, …

SLAG Ground granulated blast-furnace slag (Fig. 3-5), also called slag cement, is made from iron blast-furnace slag; it is a nonmetallic hydraulic cement consisting essentially of sili-cates and aluminosilicates of calcium developed in a molten condition simultaneously with iron in a blast furnace. The molten slag at a temperature of about 1500°C

Furnace Slag - Wholesaler & Wholesale Dealers in India

Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. These operate at a temperature of about 1, 500 degrees centigrade and are fed with a carefully controlled mixture of iron-ore, coke and limestone.

Ground granulated blast-furnace slag - Wikipedia

Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder.Ground-granulated blast furnace slag is highly cementitious and high in calcium silicate hydrates (CSH) which is a strength enhancing ...

Introduction of slag cement – Cement Science

Ground granulated blast-furnace slag (GGBFS), which normally contains up to 95% of glass, is formed by cooling the liquid slag with large amount of water and subsequently ground to fine powder. If the liquid slag is partially cooled with water and …

granulated blast furnace slag - Japanese translation – Linguee

Slag only just removed from the blast furnace and in a molten state of approximately 1500℃ is injected with pressurized water, and when cooled rapidly it becomes granulated slag. jfe-mineral.co.jp か ら り され た ばか り の スラグは 15 00℃ の で、これにをして、 す ...

Road Construction Material – Stein Inc

Durable, strong, and lightweight, blast furnace slag offers high resistance to sulfate attack and alkali-silica reaction. Superior thermal properties, sound absorption and reduced weight loads make blast furnace slag a logical and versatile building material. Many architectural applications require strength, durability with lighter materials.

Granulated Blast Furnace Slag Powder by Ochnology Solution ...

Granulated Blast Furnace Slag : Granulated blast furnace slag or gbfs is the residue of combustion in the furnace of the steel refining process. It is obtained by quenching molten iron slag from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a …

A Review on Ground Granulated Blast-Furnace Slag as a ...

replacement of OPC with 15% blast furnace slag powder. A. Oner and S. Akyuz [8] conducted a study in which he replaced cement by weight partially with GGBS in various percentages from 15% - 110%. Compressive strength test was conducted on test specimens which cured at 7, 14, 28,

Characteristics of Mortars with Blast Furnace Slag Powder ...

Recently, interest in environmentally friendly development has increased worldwide, especially in the construction industry. In this study, blast furnace slag powder (BFSP) and mixed steel fine aggregates were applied to cement mortars to reduce the environmental damage caused by the extraction of natural aggregate and to increase the recycling rate of steel by-products in the construction ...

slag mill, slag powder mill

Water slag is the hot melt blast furnace slag in the water after rapid cooling of the waste slag, used to be abandoned, or is used to fill the road, and now through the blast furnace water slag grinding machine processing, the resulting water slag powder can be used as concrete and cement raw materials.

Ground Granulated Blast-Furnace Slag: Its Chemistry and ...

blended mechanically with cement at the cement mill to make ASTM C595, Type IS, Portland blast-furnace slag cement, or it can be added at the concrete plant to make slag concrete. The ingredients, proportions and physical requirements of Type IS cement are listed in ASTM C595, "Standard Specification for Blended Hydraulic Cements."

Blast Furnace Slag: Buy Slag, GBFS, & GGBFS Online | JAYCEE

The large generation of blast furnace slag in India has given birth to plenty of unorganized traders and exporters, who have no product knowledge nor any understanding of the business. Such fly-by-night operators often rely on malpractices to misguide customers and sell substandard quality products at cheap, below-market prices to make a quick ...

Effects of ultra-fine ground granulated blast-furnace slag ...

The GGBS in this work was commercially available ultra-fine slag of two sizes (V1 and V2), Nitrogen BET Surface area of V2 (3955 m 2 kg −1) was found to be much higher than the V1 (2435 m 2 kg −1).The (CaO + MgO)/SiO 2 ratio by mass (M, coefficient of basicity) was a reliable indicator of reactivity [], Calculated M = 1.55 of the UFS. Fig. 1(a) shows the particle size distributions of the ...

(PDF) An Anatomy of Furnace Refractory Erosion: Evidence ...

An Anatomy of Furnace Refractory Erosion: Evidence from a Pilot-Scale Facility Paul den Hoed MINTEK Private Bag X3015 2125 Randburg South Africa Telephone +27-11-709-4735 Telefax +27-11-709-4564 [email protected] Keywords: DC-arc, furnace, reverberatory, blast, copper, lead, slag, nickel laterite, chrome, magnesia, alumina, spinel, silicon ...

(PDF) " Ground Granulated Blast Slag (GGBS) In Concrete ...

Introduction General: Ground Granulated Blast furnace Slag (GGBS) [1] is a by product from the blast furnaces used to make iron. These operate at a temperature of about 1500 degrees centigrade and are fed with a carefully controlled mixture of iron ore, coke and limestone. The iron ore is reduced to iron and the remaining materials from a slag ...

Blast Furnace Slag Cement (Application, Pros & Cons)

Blast Furnace Slag (BFS) cement is the combination of Ordinary Portland Cement (OPC) and fine Granulated Blast Furnace Slag (GBFS) gained as a byproduct in the steel making manufacturer with below 70% to that of cement. Ground Granulated Blast Furnace Slag (GGBFS) is a fine glassy granule which encompasses cementitious possessions.

Blast Furnace: Definition, Construction or Parts, Working ...

Zone of slag formation takes place at a height of 20m from the base of the blast furnace. The temperature here is about 12000K – 1500K. In this region, the flux that is limestone reacts with the impurities such as silicon dioxide and aluminum oxide to form …

Granularity and Surface Structure of Ground Granulated ...

Blast furnace slag (abbreviated GGBFS, for 'ground granulated blast furnace slag') is broadly described as a mixture of poorly crystalline phases with compositions resembling gehlenite (2CaO·Al 2 ...

(PDF) Static-Dynamic Properties of Reactive Powder ...

The paper presents the results of tests of the reactive powder con- crete [RPC] obtained from the CEM III/A 42.5 N LH/HSR/NA blast furnace slag cement, containing about 60 % of granulated blast ...

Ground Granulated Blast Furnace Slag (GGBS) | Chemical ...

Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. GGBS being a waste material, it needs proper method for disposal. So incorporating this waste material in concrete can reduce the depletion of conventional concrete components such as cement, fine …

How to Make Cement From Blast-Furnace Slag

Blast-furnace slag is used in making-four classes of cement— ... The dried granulated slag is mixed with a predetermined quantity of dry slaked lime and ground to an impalpable powder. It is then ready for use as cement. The slag sand, after being drained, still contains a large percentage of adhering water. This adhering water must be driven ...

What is the Composition of BFS (Blast Furnace Slag)?

GGBFS is formed when Granulated Blast Furnace Slag (GBFS) is an additional processed or ground using cement clinker grinding skill. On an unplanned inspection, GGBFS can be off-white in look and could pass for a powder fineness naturally between 380m2/kg - 420m2/kg.

Slag Cement Benefits and Use in Concrete - Slag Cement News

Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to suitable fineness and is used to replace a portion of portland cement. It is a recovered industrial by-product of an iron blast furnace.

Ground Granulated Blast-Furnace Slag: Its Chemistry …

blended mechanically with cement at the cement mill to make ASTM C595, Type IS, Portland blast-furnace slag cement, or it can be added at the concrete plant to make slag concrete. The ingredients, proportions and physical requirements of Type IS cement are listed in ASTM C595, "Standard Specification for Blended Hydraulic Cements."

US4242142A - Method for treating granulated blast furnace ...

A method for treating a water slurry of granulated blast furnace slag containing particles of granulated slag having a size consist of about 0.635 centimeter × 0 (1/4 inch by 0) wherein a size separation of the particles is made at about 100 sieve. The sink fraction i.e. coarse particles larger than 100 mesh are partially dewatered and thermally dried prior to being comminuted with raw ...

blast furnace slag « Slag

Slagging is a process in which a solid metal is heated in a furnace, which uses high-pressure air to melt it into a liquid that is then poured into a mold, where it has a low boiling point and can be heated again to form more slag or powder. This process is known as smelting.

Ground Granulated Blast Furnace Slag | Scientific.Net

Further, the quartz powder and ground granulated blast furnace slag were used as addition and compared with each other. The results of the experiments showed that the flexural strength grows with decreasing aggregate size. This tendency was observed in mixtures with quartz powder and also with ground granulated blast furnace slag.

Validating the Use of Slag Binder with 91 Percent Blast ...

The use of ground granulated blast furnace slag (GGBFS) is environmentally sustainable and prevalent in the cement industry, but the original alkali-activated slag binder cannot be used for mine backfilling. Few reports have studied slag binders with high slag proportions (>90%) and low-cost activators (solid waste is used) that have higher performance than cement for backfilling.