By Dilip Kumar, Deepak Kumar
Management of Coking Coal Resources presents a one-stop reference that makes a speciality of sustainable mining practices utilizing a four-point procedure that comes with the good value, governmental, societal, and environmental points of coal exploration, coking coal mining, and steelmaking purposes.
This kind of technique galvanizes the excavation, processing equipment, and finish makes use of of coal as an strength and steelmaking resource, therefore making sure that the provision of coking coal meets the longer term calls for of the speedily increasing economies in India and different constructing nations.
The e-book offers info at the strategic making plans and revitalization of India's Jharia coalfield, addressing actionable plans for ways of extraction, grasp plans for mine fires, subsidence administration, land use making plans, and sustainable mining.
Users will discover a multidisciplinary reference that offers the vast variety of purposes, options, and methodologies utilized in preserving coking coal caliber from exploration via extraction.
- Provides a one-stop reference that makes a speciality of sustainable mining practices utilizing a four-point approach
- Includes the budget friendly, governmental, societal, and environmental features of coal exploration, coking coal mining, and steelmaking applications
- Presents info at the strategic making plans and revitalization of India's Jharia coalfield
- Includes a huge diversity of the functions, concepts, and methodologies utilized in preserving coking coal caliber from exploration via extraction
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Extra info for Management of Coking Coal Resources
There are only two methods of steel making. One is through BFs or BOFs, which use iron ore and coke as the basic mix as well as – at least according to the WCA – up to 30% recycled steel (scrap). The other is through EAFs, where the input mix comprises iron ore, melting scrap, or a mix of both. ISPs are the major steel producers using BF or BOF methods. Thus, BF technology has become the mainstay of iron making when it comes to further improvement both quantitatively and qualitatively. Hot metal produced from BFs is used as the principal raw material for steel production.
Sintering plants are usually located at steel mills because in-plant waste material like coke breeze, lime fines, and mill scale can be directly used. As sinter cannot withstand excessive handling, pelletizing plants are sometimes located at mine sites and ports. Coke used in BFs in India contains a very high percentage of ash (25–27%); thus, more than 40% of flux addition is required for slagging the gangue just 41 42 CHAPTER 2: Latest Developments in the Iron and Steel Industry from coke alone.
2011). (b) HIsarna iron-making technology. , 2011). It produces liquid hot metal directly from iron ore fines and coal, eliminating the need for sintering or coke making. It requires considerably less carbon than conventional BFs, hence reducing the production of carbon dioxide. 8 An Update on BF Iron Making To produce better quality hot metal, it has been necessary in India to improve the quality of burdens and make the furnace production process more efficient. The policy of Indian steel makers is now to adopt the latest technology, as practiced in other countries, with a view to achieving lower cost and better quality.