Fly Ash, Slag, Silica Fume, and Natural Pozzolans, Chapter 3
slag does not have the hydraulic properties of water-cooled slag 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-furnace slag, when used in general purpose concrete in
Slag cement, or ground granulated blast-furnace slag (GGBFS), has been used in concrete projects in the United States for over a century Earlier usage of slag cement in Europe and elsewhere demonstrates that long-term performance is enhanced in many ways
Ground Granulated Blast Furnace Slag in Concrete and its ,
The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree .
Processing of Granulated Blast Furnace Slag and its ,
The glassy and granular material is generated when slag is rapidly chilled by immersion in water The most common process for granulating blast furnace slag involves the use of high water volume, high pressure water jets in direct contact with the molten blast furnace slag at a ,
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 0635 centimeter × 0 (1/4 inch by 0) wherein a size separation of the particles is made at about 100 sieve The sink fraction ie coarse particles larger than 100 mesh are partially dewatered and thermally dried prior to being comminuted with raw .
Ohio EPA Policy Use of Blast Furnace and Steel Slag
steel slag and blast furnace slag must meet applicable environmental regulations pertaining to dust control and storm water runoff POLICY: 1 Use of steel slag and blast furnace slag in asphalt is encouraged from an environmental perspective 2 Use of blast furnace slag in concrete is encouraged from an environmental perspective 3
Ground Granulated Blast-Furnace Slag: Its Chemistry and ,
Ground granulated blast-furnace slag (GGBFS), sometimes simply referred to as “slag”, is a glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by immersion in water It is a non-metallic product, consisting of silicates and aluminosilicates of calcium and other bases, developed in a molten condition .
Product name Ground Granulated Blast Furnace Slag Synonym(s) GGBFS, Ground Slag, Milled Slag 12 Uses and uses advised against Use(s) Ground Granulated Blast Furnace Slag is a supplementary cementitious material that is a partial replacement for Portland Cement in concrete and other similar products 13 Details of the supplier of the product
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 475 mm (No 4 sieve) in diameter to dense, sand-size grains passing a 475 mm (No 4) sieve
Ground-granulated blast-furnace slag (GGBFS) is produced by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water, to produce a granular product that is then dried and ground into a fine powder
Ground Granulated Blast Furnace Slag (GGBS) | Chemical ,
May 09, 2018· 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
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
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 fine powder
Why we are using blast furnace slag cement in concrete ,
Mar 03, 2017· It is fully called as Ground-granulated blast-furnace slag (GGBS or GGBFS) and 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 .
Ground Granulated Blast Furnace Slag (GGBS) is obtained by grinding blast furnace slag in water or steam This process leads to a glassy, granular product that is then dried and ground into a fine powder
a raw material for Ground Granulated Blast Furnace Slag (GGBFS), a supplementary cementitious material used in concrete Section 2: Hazards Identification Hazardous Substance Non-dangerous Goods The raw material does not expose the user to the same risks as the Ground/Powdered product See Ground Granulated Blast Furnace Slag for Safety Data
Slag cement (Ground granulated blast- furnace slag): A hydraulic cement formed when granulated blast-furnace slag is ground to a suitable fineness Granulated blast-furnace slag: The glassy, granular material formed when molten blast-furnace slag is rapidly chilled as by immersion in water Also referred to as granul Blast-furnace slag:
Types of iron and steel slag : NIPPON SLAG ASSOCIATION
When it is ejected from a blast furnace, the slag is molten at a temperature of approximately 1,500℃ Depending on the cooling method used, it is classified either as air-cooled slag or granulated slag Air-cooled slag The molten slag flows into a cooling yard, where it is cooled slowly by natural cooling and by spraying with water
Ground granulated blast-furnace slag (GGBFS) or Slag Cement 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 GGBFS is used to make durable concrete structures in
Blast Furnace Slag as a Concrete Aggregate MF 163-8 A G Timms NATIONAL SLAG ASSOCIATION nationalslagassocorg Page 2 BLAST FURNACE SLAG AS A CONCRETE AGGREGATE PART I – PROPERTIES OF BLAST FURNACE SLAG Our natural aggregates, such as stone and gravel of suitable quality for concrete making, are rapidly becoming depleted in many localiti
Blast Furnace Slag Cement - Manufacture, Properties and Us
Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properti
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)
What is slag cement or ground granulated blast-furnace ,
Granulated slag is the glassy, granular material formed when molten slag is rapidly chilled Slag cement or GGBFS is granulated blast-furnace slag that has been finely ground and that is hydraulic cement When slag cement is mixed with water, however, the initial hydration is much slower than portland cement mixed with water; therefore .
Granulated slag is rapidly cooled by large quantities of water to produce a sand-like granule that is primarily ground into a cement commonly known as GGBS (Ground Granulated Blast FurnaceSlag), or Type S slag cement It is also mixed with Portland cement clinker to make a blended Type 1S cement
China Blast Furnace Water Granulated Slag Utilization ,
Blast Furnace, Water Granulated Slag, Recycle Utilization manufacturer / supplier in China, offering Blast Furnace Water Granulated Slag Utilization, High Effiency and Energy Saving Gas Furnace Gas Heater, Blast Furnace Coal Gas Hot Air Furnace Gas Heater and so on
Dec 18, 2015· Ground-granulated blast-furnace slag 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 .
(642e) Dry Granulation of Blast Furnace Slag for Heat ,
Nov 07, 2013· for the blast furnace slag energy and as in consequence CO 2 can be saved In summary dry granulation of blast furnace slag allows an environmental friendly and sustainable subsequent processing for one of the last big heat recovery potentials at a modern blast furnace  References  McDonald, I, Long, E, Werner, A
To obtain glassy phase, liquid slag is normally subjected to water granulation process Rapid cooling of liquid slag in the water prevents the crystallization of slag and breaks the slag into small particles by thermal stress Liquid slag freezes in an amorphous granulate, called granulated BF slag