Whereas more than 90% of the global DRI plants use (lower grade) natural gas, production in India is primarily coal based. The energy consumption in natural gas based DRI production is well known and established to be 10.4 GJ/t-DRI.
Jul 29, 2010· In general the gangue content in sponge iron varies from 4% to 8% . Carbon content: The carbon content in sponge iron produced by coal based rotay kiln processes are generally low and is in the range og 0.08% to 0.20%.The carbon content in gas based processes can be controllrd to a level of 1.5% to 2.0% based on requirement for steel making.
Current Status of Coal in India. 7 EIA Energy Conference 2016 ... Steel and Sponge Iron, 81.05, 10% Cement, 37.95, 5% ... Coal Gas Hydro • Coal - based power plants compete on price and scale. 11 EIA Energy Conference 2016 World Coal Markets : The Changing Global Landscape for Coal
Power plants based on waste char/coal fines from sponge iron plants 8/16MW 1no ... In the first phase one 350 TPD rotary kiln and 8MW power plant have been ... Sponge iron plant or Direct Reduction Plant (DRP) is designed to produce ... gases, non coking coals are selected for use as reductant in coal based rotary kilns.
Coal Gasification Plant and use of by-products, Angul. Direct-reduced iron (DRI), also called sponge iron is produced from direct reduction of iron (in the form of lump, pellets or fines) by a reducing gases produced from natural gas or coal.
Non-coking coal is required in sponge iron production, since the ... Coal based Direct reduction process is classified based on the ... MAJOR PLANT FACILITIES 1- RAW MATERIAL PREPARATION SYSTEM - Raw material system mainly consist Vibro Feeder, Crusher and Screen.
Objectives. During the last decade, coal-based sponge iron plants, a highly polluted industry, have grown rapidly in Barjora, India. Understanding their workers' perception of health is essential in people-centered healthcare.
Coal based sponge iron units are found to be extremely polluting. Sponge iron plants are categorized under 'red categories' industries which means that they …
Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron ore.
2. Description of Sponge Iron Manufacturing Process Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced to sponge without phase change (Figure 1). Raw material mix-iron ore, dolomite and coal are fed to one end of
Dec 25, 2014· Coal based DRI (Sponge Iron) plant using Rotary Kiln from Electrotherm.
Company Overview. Sponge Iron India Limited produces sponge iron lumps, briquettes, and fines. It also provides engineering and consultancy services for coal based sponge iron plants.
health status of coal-based sponge iron plant workers. Our study proves that respiratory health status could be a potential predictor of health-related quality of life among coal-based sponge iron plant workers and vice versa. As they are related, a single intervention could be developed, evaluated and implemented to improve
Gas Based Vs Coal Based Production of DRI in India India, the world's largest producer of sponge iron 23 MMT, expected to maintain its lead in the near future. Sponge iron production grew at a CAGR of 11 per cent to reach a level of 21.09 million tonne in 2008-09 compared to 12.54 million tonne in 2004-05.
coal based sponge iron plants in us who make sponge iron from coal and iron ore process jobs at coal based sponge iron plants at saudi Sponge powder is produced from magnetite iron ore About Us Sponge Read more. Status of Sponge Iron Units in Orissa Iron Ore Coal.
OSIL Process subsequently became popular and was widely accepted and recognized as one of the leading coal based sponge iron technology in the world.. OSIL set up its Project & Engineering Division at Bhubaneswar in 1992 to enable setting up of Sponge Iron plants in the country based on its patented process.
Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron (DRI). Iron Ore Pellet is used for reduction.
Sponge iron can also be used to produce a powdered ore that works very well when mixed with other metals in the production of different types of iron-based products.
The production of sponge iron in India started about three decades ago triggered by the fact that in the mid-1970's, Indian mini-steel plants started examining the viability of setting up sponge iron plant. Since India has adequate coal deposits, production of coal based sponge iron was …
Objectives. During the past decade, coal-based sponge iron plants, a highly polluted industry, have grown rapidly in Barjora, India. The toxic effects of particulate matters and gaseous pollutants include various respiratory diseases.
A survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in order to identify the largest energy losses and find ways to increase the efficiency.The required data are obtained by measurements or taken from production industries.
south africa coal based sponge iron - … coal based sponge iron plants in US in Canada - Gold Ore Crusher . Few more coal based sponge iron plants are …
PAT and coal based DRI: Sponge Iron industry comes under Iron & Steel sector with sectoral energy reduction target of 1.56 mMTOE(million metric tones of oil equivalent). For a coal based DRI plant with waste heat recovery boiler, power plant and having arrangement for selling surplus electricity, the gate in energy would be coal
The company has the world's largest coal-based sponge iron manufacturing facility at Raigarh, Chhattisgarhand stands out as the market leader in coal-based sponge iron industry within India.
The plant is integrated by addition of captive power plant and long term iron ore & coal supplies. The DRI plant comprises of 4 kilns each of 100 TPD capacity. The rated annual production of sponge iron is 1,28,000 tonnes. The Raw materials are iron ore, coal & dolomite.
Based in Kolkata (West Bengal, India), GKD Engineering Services Pvt. Ltd have ... of equipment for steel, power, sponge iron, cement and petrochemical plants. ... able to win the trust and confidence of a large number of patrons across the world. ....
Sponge generation iron plant Design of modiﬁcations Payback period a b s t r a c t The present work is an attempt to conserve energy in coal based sponge iron industry incorporating certain design modiﬁcations without disturbing the process technology. A typical sponge iron plant has
Using coal for reduction of iron ore has severe environmental issues as it leads to emission of carbon in great proportions. This is the reason why the world today prefers gas based sponge iron. Galaxy Enterprise is manufacturers and exporters of high quality gas based sponge iron and supplies it to steel plants in the India and overseas country.