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Chemical recycling of inorganic wastes by using phase

quenched rapidly by immersing in water, and it has high CaO content. In the present study, granulated blast furnace slag was chosen, and the recovery of colorless high SiO2 sub-stance was attempted. 2. Experimental Recycling procedure of slag used is shown inFig. 1.Inthe present study, a granulated blast furnace slag dischargedget price

Recovery of silica gel from blast furnace slag Request PDF

The recovery of silica gel from blast furnace slag has been attempted by leaching with H 2 SO 4, separation of gypsum, precipitation of silica gel at pH 3.2, followed by the washing of the rawget price

Utilization of Steel Slag in Construction Materials

Steel slag, a by-product of steel making, is produced during the separation of the molten steel from impurities in steel-making furnaces. Slag whether granulated or crystalline is an important industrial waste which may be considered as a useful raw material for developing new building material to accrue to the national economy in the housingget price

Application of a Method to Accelerate Granulated Blast

Application of a Method to Accelerate Granulated Blast Furnace Slag Solidification granulated blast furnace slag, solidification, backfill, quay wall velocity of the water flow is 120 m/day, complete separation of the material does not occur under these conditions.get price

The Exploitation of Blast furnace Slag as Sand Replacement

granulated blast furnace, gypsum, clinker and steel slag sand. The . Application of steel slag sand results reduced the cement clinker dosage and increasing the content of industrial waste products. Use of non ground granulated blast furnace slag as fine aggregate in concrete wasget price

nationalslag

nationalslagget price

Processing of Granulated Blast Furnace Slag and its

Granulated Blast Furnace Slag (GGBFS, or GGBFS, or BFS) is the most used material in cement industry to make slag cement. How is GBFS made? What are the processing and its applications? Process: water quenching. Generally speaking, GBFS is formed by water quenching.get price

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.get price

Water Purification Using Steelmaking Slag

Water Purification Using Steelmaking Slag Jenny Olofsson PhD student, LTU •Small amount of slag •Trails with process water •Separate a conceivable precipitant •For how long is the slag efficient •Is it possible to regenerate the slag? Thank you for your attention!get price

Fly ash and slag ScienceDirect

5. Effect of fly ash and granulated blast furnace slag addition on fresh concrete. The advantages and disadvantages associated with the use of fly ash and granulated blast furnace slag are generally known, especially when we consider increased amounts in cement and concrete composition [,,,,,, ].get price

US4204855A Apparatus for dewatering granulated-slag

Molten slag is granulated with water to produce a granulated-slag/water sry that is fed into the bottom of a horizontally extending foraminous drum. This drum has radially inwardly extending vanes and is rotated to lift up the granulated slag and separate it from the water, discharging the slag onto a conveyor belt for storage or further use.get price

Method for treating granulated blast furnace slag

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 .times. 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 rawget price

separation of water from granulated slag

National slag association108 Кб. Granulated slag is a glassy, granular product resulting from rapid quenching of the molten slag.Expanded slag is produced by treating the molten blast-furnace slag with controlled quantities of water, usually less than that used for granulation.get price

Desulfurization Slag/Granulated Blast Furnace Slag Binder

Desulfurization Slag/Granulated Blast Furnace Slag Binder and Mortar A linear proportion between the amounts of DS and water is also found in the flow test. such as magnetic separationget price

BAOSTEEL BSSF TECHNOLOGY FOR SLAG PROCESSING

slag to granulated slag within 3-5 minutes Small footprint Concentrate on the discharge of steam, is conducive to the installation of dust removal devices, reduce air pollution Grain processing, storage silo slag, dust less to avoid environmental pollution better separation between slag get price

The Exploitation of Blast furnace Slag as Sand Replacement

Application of steel slag sand results reduced the cement clinker dosage and increasing the content of industrial waste products. Use of non ground granulated blast furnace slag as fine aggregate in concrete was experimented by Isa Yuksel and Omer Ozkan [5].get price

Blast furnace slag granulation at cast house IspatGuru

May 05, 2013· The fine mesh on the exterior of the drum retains the granulated slag and allows the water to filter through. The granulated slag layer at the bottom of the drum creates a self filtering effect. After dewatering the residual moisture of the granulated slag is around 8% to 10 %. The dewatered water is cleaned, cooled and recycled. The dried slagget price

Slag Wikipedia

The water carries the slag in its slurry format to a large agitation tank, from where it is pumped along a piping system into a number of gravel based filter beds. The filter beds then retain the slag granules, while the water drains away and is returned to the system.get price

SLAG IRON AND STEEL

SLAG IRON AND STEEL THM : Tonne Hot Metal Blast Furnace Slag In the blast furnace, the slag floating over molten pig iron (hot metal) is flushed out in slag pot and then sent to slag granulating plant or to cooling pits. Depending upon the cooling process, three types of slags are generated, namely, air-cooled slag, granulated slag andget price

Ground Granulated Blast Furnace Slag (GGBS) Chemical

May 09, 2018· This slag is periodically tapped off as a molten liquid and then rapidly quenched with large volumes of water. This process optimizes the cementitious properties and produces granules like coarse sand. This granulated slag is then dried and ground to a fine powder. It is also knows as slag cement because it has similar properties as cement clinker.get price

Types of iron and steel slag : NIPPON SLAG ASSOCIATION

The molten slag flows into a cooling yard, where it is cooled slowly by natural cooling and by spraying with water. This results in a crystalline, rock-like air-cooled slag. Granulated slag The molten slag is cooled rapidly by jets of pressurized water, resulting in a vitreous, granulated slag.get price

Method for treating granulated blast furnace slag

Dec 30, 1980· 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.get price

Strength Development and Hydration Behavior of Self

Emirates (labeled D-Slag). S-Slag, a commercial GGBFS, was ground with additives in Singapore, but the raw granulated blast-furnace slag (GBFS) was imported from Japan. Likewise, D-Slag was manufactured in Dubai, but its original GBFS was a blended material using GBFSs from China and India, while K-Slag was manufactured using raw GBFS from Korea.get price

How to Make Cement From Blast-Furnace Slag

It is necessary to pass the granulated slag under a strong magnet in order to remove any particles of metallic iron. Blast-furnace slag is used in making-four classes of cement— Puzzolan, or ordinary slag cement, usually simply called slag cement. Slag Portland cement, which may be a true Portland cement.get price

A RECIRCULATORY SYSTEM FOR THE GRANULATION OF MOLTEN SLAG

Oct 26, 1971· Granulated slag sluicing launder 17 has a sufficient slope downwardly in the direction of the coarse slag particle-setting separation section or pit 22 of receptacle 20, as shown in FIG. 1, to assure the passage of the mixture of hot water and coarse and fine slag particles therein down its entire length for discharge from the lower end of theget price

Utilization of Industrial Waste Slag as Aggregate in

Fluxing agents separate impurities and slag is produced during separation of molten steel. Slag is a perimented use of non ground granulated blast furnace slag as fine aggregate in concrete. The study concluded and put into the water tank for curing maintaining tem- perature of 89.6˚F ± 35 ˚F (27˚C ± 2˚C) as per IS require-get price

Nonferrous Slags Material Description User Guidelines

A small proportion is granulated, using rapid water and air quenching that results in the production of a vitrified fritlike product. Phosphorus slag is sometimes expanded (solidified with controlled quantities of water, air, or steam, which accelerate the process and increase the cellular nature of the slag), producing a lightweight product.get price

Blast Furnace Slag Material Description User

Granulated Blast Furnace Slag. Granulated blast furnace slag is a glassy granular material that varies, depending on the chemical composition and method of production, from a coarse, popcornlike friable structure greater than 4.75 mm (No. 4 sieve) in diameter to dense, sand-size grains passing a 4.75 mm (No. 4) sieve.get price

An Experimental Investigation on Utilization of Waste

Fluxing agents separate impurities and Slag is produced during separation of molten steels. Blast furnace slag is a nonmetallic co- product primarily consists of silicates, alumino silicates, Granulated Blast Furnace slag 3. Water CEMENT The cement is tested as per IS: get price

Effects of Ground Granulated Blast Furnace Slag in

Slag cement is often referred to as "ground granulated blast-furnace slag" (GGBFS). As requested in 2001 by slag cement manufacturers and the Slag Cement Association, the American Concrete Institute officially reviewed and changed the terminology from GGBFS to slag cement (ACI Committee 233, 2004).get price