kolkata disposal of slag from blast furnace

Blast glass - downtoearth.org.in

Oct 31, 2005· a group of researchers from the Central Glass and Ceramic Research Institute, Kolkata, has developed a process to obtain glass ceramic material from the blast furnace slag generated in iron and steel plants. The innovation holds good potential for the cookware industry as the new class of materials has an ultra-low thermal expansion coefficient and uses low cost raw materials.

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Himadri Bhattacharya - Executive-III Materials Management ...

Lead the teams responsible for planning, procurement, storage & distribution of raw materials, spares, refractories and consumables for the 4.5 million ton Bokaro Steel Plant of Steel Authority of India and also marketing of its secondary products of scrap, idle assets, arisings, blast furnace slag etc.

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POTENTIAL OF BLAST FURNACE SLAGS TO IMMOBILIZE TOXIC …

May 31, 1998· Ground granulated blast-furnace slag is also a component in binder formulation of general interest because of its potential for metal immobilization, based on its physical and chemical properties. The present work analyzes the immobilization of toxic wastes containing cadmium, lead and chromium in portland cement matrices with 80% of blast ...

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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 …

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Granulated Blast- Furnace Slag, ग्रैनुलर ब्लास्ट फर्नेस ...

Nirvan Ispat Udyog - Offering Granulated Blast- Furnace Slag, ग्रैनुलर ब्लास्ट फर्नेस स्लैग, GGBS & GBFS in Bow Barracks, Kolkata, West Bengal. Read about company. Get contact details and address| ID:

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86 IRON AND STEEL SLAG - USGS

$470 million. Blast furnace slag was about 50% of the tonnage sold and accounted for 88% of the total value of slag, most of which was granulated. Steel slag produced from basic oxygen and electric arc furnaces accounted for the remainder of sales. Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old

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Procedure for thermally reductive conditioning of BOF ...

Jun 25, 2018· Procedure for thermally reductive conditioning of BOF (Basic Oxygen Furnace) slag for recycling the metal content and manufacturing highly reactive cement components Monday, June 25th, 2018 LOESCHE is a medium-sized, internationally active company that last year celebrated the 111 th anniversary of its founding.

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Steel Slag - Material Description - User Guidelines for ...

Mar 08, 2016· Disposal. While most of the furnace slag is recycled for use as an aggregate, excess steel slag from other operations (raker, ladle, clean out, or pit slag) is usually sent to landfills for disposal. MARKET SOURCES. Steel slag can normally be obtained from slag processors who collect the slag from steel-making facilities.

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Application of High Ti-Bearing Blast Furnace Slag in Field ...

High Ti-bearing blast furnace (BF) slag is the smelting waste of vanadium titano-magnetite. It has great production but low utilization. The high Ti-bearing BF slag is used in building materials industry, which recycles waste material, saves resources and energy, benefiting environmental protection and achieving sustainable development of resources.

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"Recycling of ladle furnace slags" by Sima Aminorroaya ...

Ferrous industry slag is waste product of all steelmaking manufactures. These materials should be reused or stocked. There is abundant literature on the subject of reuse and recycling of blast furnace(BF), basic oxygen furnace(BOF), electric arc furnace(EAF). However, due to the fact that ladle furnaces(LF) have only been constructed in significant numbers since the 1980's, the relatively low ...

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Chemical, Mineralogical, and Morphological Properties of ...

Oct 26, 2011· Steel slag is a byproduct of the steelmaking and steel refining processes. This paper provides an overview of the different types of steel slag that are generated from basic-oxygen-furnace (BOF) steelmaking, electric-arc-furnace (EAF) steelmaking, and ladle-furnace steel refining processes. The mineralogical and morphological properties of BOF and electric-arc-furnace-ladle [EAF(L)] …

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Procedia Environmental Sciences | Waste Management for ...

Investigations on Physical and Chemical Properties of High Silica Sand, Fe-Cr Slag and Blast Furnace Slag for Foundry Applications I. Narasimha Murthy, J. Babu Rao Pages 583-596

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Scanned by CamScanner

All the blast furnace slag shall be granulated and provided to cement manufacturers for further utilization. SMS slag shall also be properly utilized. A time bound action plan should be submitted to reduce solid waste, its proper utilization and disposal. Fly ash/ Bottom Ash from power plant shall be provided to brick manufacturing plants.

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A research on ceramsite obtained from blast furnace slag ...

Blast furnace slag, the by-product of Turkish iron and steel production, has gradually been added to ceramic wall tile compositions. The effects of blast furnace slag have been studied by ...

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Why is it that under the Mumbai Sewage Disposal Project in ...

Answer: I do not know the exact details about the project but I will list down few points of Blast furnace slag cement. I hope you can relate the project and the project conditions with the points. Slag cement is a hydraulic cement formed when granulated blast furnace slag (GGBFS) is ground to s...

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3 Iron Unit Recycling

Blast Furnace Slag In the production of hot metal, the blast furnace is charged with iron-bearing materials (iron ore, sinter, pellets, etc.), flux (limestone Figure 3-6. Ironmaking Iron Units, U.S. 2000 and/or dolomite), and fuel (coke). (SRI 2001)Two products are obtained from the bottom of the blast furnace: molten iron and slag.

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Metallurgical Slag Manufacturers in Kolkata - Grotal.com

Heading: Metallurgical Slag Manufacturers, City: Kolkata, Results: Stollberg India Pvt Ltd, Involvements: MNCs Multinational Companies Stollberg India Pvt Ltd near me …

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CH A P T E R 1 Project Summary

Blast Furnace Slag : 11,270 TPA will be used in cement plant. ... It is well connected by road with Kolkata and other metropolis of the country. The site is near to Durgapur, the well-recognized steel city of West Bengal. ... departmental dispatch of in process materials up …

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A novel recycling approach for efficient extraction of ...

The recycling of high-titanium-bearing blast furnace slag (TiO 2 > 23 wt.%) is an urgent problem that has attracted global research attention. To achieve high-efficiency, low-consumption, clean, and high value-added recycling utilization, a new process is proposed herein, which entails reacting a CH 4-H 2-N 2 gas mixture with the titanium-bearing blast furnace slag to initially produce Ti(C, N ...

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Tata Steel - Global Steel Company Pioneering in Steel ...

Tata Aggreto was launched in January 2018 for the sale of steel-making slag with a promise to provide superior, ready-to-use material with consistent sizes. This product replaces natural aggregate for road making. With the focus on road building in India, this could open up a new window for the Company.

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Recycling sediment, calcium carbide slag and ground ...

Recycling sediment, calcium carbide slag and ground granulated blast-furnace slag into novel and sustainable cementitious binder for production of eco-friendly mortar. Author links open overlay panel Ruitang Kou a Ming-Zhi Guo a b Lin Han a Jiang-Shan Li c Bo Li b d Hongqiang Chu a Linhua Jiang a Lin Wang a Weizhun Jin a Chi Sun Poon e.

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Toxic industrial waste awaits disposal in Odisha ...

Mar 30, 2016· Currently, fly ash and blast furnace slag are being reused for road construction. Other types of waste remain stagnant, he said. In September 2015, the …

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Role of Ferrous Raw Materials in the Energy Efficiency of ...

Maximized recycling of BOF slag reduces limestone consumption in the blast furnace and is subject to limitations in build-up of recirculating elements. BF dust rate has been reported to increase in pellet-briquette burdens compared to sinter operations that warrants further investigation to establish cause and possible mitigation techniques.

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MECON Limited

blast furnace is producing on an around 8500 tpd (avg) with high slag rate of around 400 Kgs/thm. On an average 130-140 kgs/ thm pulverised coal is being injected into this Giant blast furnace. The Blast Furnace(BF) is a state of the art design for which detailed engineering services were provided by MECON. The blast furnace is provided with ...

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Blast Furnace - Blasting Furnace Suppliers, Blast Furnace ...

Blast Furnace Slag is a by-product from the manufacturing of steel in a blast furnace. Initially in its molten form, it is diverted to a granulator where it is quenched with water and rapidly cooled to form glassy, non-metallic granules which are silicates and aluminosilicates of more...

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Iron Recovery from Bauxite Tailings Red Mud by Thermal ...

The results confirmed the blast furnace sludge as a suitable reducing agent to recover the iron fraction contained in the red mud. For all the conditions tested, the metallization degree was higher than 70%, and the best condition to reduce red mud through blast furnace sludge was identified at 1:1 red mud/blast furnace (B.F.)

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INFLUENCE OF GRANULATED BLAST FURNACE SLAG …

bottom ash, blast furnace slag etc., creating a tremendous threat to public health and ecology and also it requires a huge area for disposal. Consequently, there is a need for proper and wise disposal of such industrial waste materials. Use of such wastes for the purpose of soil stabilization for construction of road

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Rice Husk Ash Manufacturer and Suppliers In India

Jul 03, 2020· In steel and iron plant's blast furnace, slag is produced from a gangue material of iron ore and ash of the metallurgical coke. It is used for reducing the material and then it is further used to control the chemistry of the slag.

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Estimation of the Environmental Impact for Recycling Blast ...

Blast furnace (BF) slag has been widely recycled by civil engineering and construction industries. However, the amount of recycled BF slag has now reached the saturation point, and the development of new value-added products will be essential for promoting sustainable societies. 1) Recently, a hydrothermal reaction was proposed as a potential approach for solving this problem. 2) In general ...

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(PDF) Recycling of waste PET granules as aggregate in ...

blast furnace slag is not enough to spend all stocks and grinding process is also required energy, using blast furnace slag as fine aggregate can be helpful to solve this problem [36] .

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Application Brief: Analysis of Blast Furnace Slags

Blast furnace slags result during the production of pig iron in blast furnaces. According to the present state of the art, approx. 250 kg of blast-furnace slag results per ton of pig iron. Analysis as close to the production site as possible is used for both quality control of the process and for evaluating the usability of the slag as a ...

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Recycling of Waste Plastic Packaging in a Blast Furnace System

blast furnace Injection of chlorine-contained plastics such as PVC in blast furnaces generates hydrogen chloride due to the decomposition of the plastic with heat, same as with other thermal processes. The limestone used in the blast furnace to control the composition of the slag neutralizes the hydrogen chloride in the furnace and

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Chemical,Mineralogical,andMorphologicalPropertiesof SteelSlag

(i) blast-furnace slag (ironmaking slag), (ii) steel-furnace slag, (a) basic-oxygen-furnace (BOF) slag, (b) electric-arc-furnace (EAF) slag, (c) ladle slag. 2.1. Basic-Oxygen-Furnace Process of Steelmaking and Slag Generation. Basic-oxygen furnaces, which are located at in-tegrated steel mills in association with a blast furnace, are charged ...

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