Recovery of cobalt, nickel, and copper from slags, using ...

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DC-arc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining the maximum possible quantity of iron as oxide in the slag.

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].

Several successful applications of steel slag processing ...

Several in engineering practice for the successful application of steel slag processing technology. A waste heat since antipyretic boring process. The process mainly by the hot stuffy device, multi-stage crushing, screening, magnetic separation device, conveying systems, dust removal system, water circulation system and automatic control system.

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 …

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.

Ceramic membrane synthesis based on alkali activated blast ...

Nov 01, 2016· The main purpose of this research is synthesis of zeolite ceramic membranes based on alkali activated blast furnace slag for pervaporation separation of ethanol/water mixture (90 wt%).A new and simple method was applied to fabricate these ceramic membranes.

Use of Blast Furnace Slag Aggregate in Concrete - IJSER

Use of Blast Furnace Slag Aggregate in Concrete K.G. Hiraskar and Chetan Patil Abstract-The Iron industries produce a huge quantity of blast furnace slag as by–product, which is a non–biodegradable waste material from that only a small percentage of it is used by …

UDC 669 . 054 . 82 : 669 . 184 . 244 . 66 Processing and ...

ed slag produced by rapidly cooling hot molten slag (initially at a temperature of about 1,500°C) with a jet of high-pressure water. Granulated slag is vitreous and looks sandy. It is similar in chemical composition to Portland cement and hardens when it reacts with wa-ter. Therefore, about 80% of granulated slag is used as a raw materi-

Hard Metal Slag Granulation Slurry Transfer Pump

Apparatus for dewatering granulated-slag slurry - SIDMAR . A typical granulation process, such as described in commonly owned U.S. Pat. No. 4,123,247, produces a so-called fluent slag slurry, that is a mixture of slag granules and water. It is necessary to separate the water from the granulated slag so that this granulated slag can be stored, ...

Common Uses for Slag | National Slag Association

Slag's ain't Slag's. SLAG is a broad term covering all non metallic co products resulting from the separation of a metal from its ore, Its chemistry and morphology depends on the metal being produced and the solidification process used.

SLAG - IRON AND STEEL - ibm.nic.in

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 and ...

slag | MID RIVER MINERALS

2. By passing the molten slag through high volume high pressure water sprays, a glassy, sand-Type (granulated) material Is formed, known as Granulated Blast Furnace SIag.The color of this product is very similar to normal beach sand.

Water Purification Using Steelmaking Slag - cc.oulu.fi

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!

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.

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.

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.

(642e) Dry Granulation of Blast Furnace Slag for Heat Recovery

Nov 07, 2013· slag. Further processed, water granulated blast furnace slag can be produced, if the liquid slag is cooled down rapidly for solidification. State of the art is a closed system which uses lots of water for rapid cooling and solidification to produce a granulated blast furnace slag which has an amorphous structure. This product

Preface for Thematic Section: Slag Granulation | SpringerLink

May 31, 2019· The slag that is poured into pits is cooled by air and sprayed water. The slow-cooled slag is crushed, sieved, and ground before recovery of valuable metals via floatation, magnetic separation, or leaching. Thus, investment in equipment and heavy machinery is required as well as the operating cost of such equipment/processes.

magnetic separator for slag granualtion system

Magnetic Separator For Slag Granualtion System. separation of water from granulated slag greenrevolutionorgin separation of water from granulated slag MAG magnetic systems 32 Crushing and magnetic separation Steelmaking slag . Live Chat. magnetic separator for slag granulation system

"Ground Granulated Blast Slag (GGBS) In Concrete – A Review"

that floats on top of the iron. This slag is periodically tapped off as a molten liquid and if it is to be used for the manufacture of GGBS it has to be rapidly quenched in large volumes of water. The quenching optimises the cementitious properties and produces granules similar to coarse sand. This „granulated‟ slag is then dried and

Blast furnace slag granulation at cast house – IspatGuru

May 05, 2013· Blast furnace slag granulation at cast house. ... The process of cast house slag granulation starts with separation of molten slag from liquid hot metal. The molten liquid slag is led into the granulation chamber through a series of runners protected by lining and sand. ... The granulated slag and water slurry is distributed evenly over the ...

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.

Method of producing of granulated slag-making mixture

The closest in technical essence and the achieved result is a method of obtaining used in continuous casting of steel granulated slag-forming mixture comprising preparing a water suspension of a mixture containing slag-forming ingredients and a binder, the ratio of mass of water to mass of dry ingredients 0,8-1,2/1, granulation by spraying the ...