Classification of Coal Quality Management - Free download as Powerpoint Presentation .ppt, PDF File .pdf, Text File .txt or view presentation slides online.
The biggest coal deposit by volume is the Powder River Basin in Wyoming and Montana, which the USGS estimated to have 1.07 trillion short tons of in-place coal resources, 162 billion short tons of recoverable coal resources, and 25 billion short tons of economic coal resources also called reserves in
Classification of coal contd of Moisture content of Carbon content of Hydrogenc ontent Calorific value Kcalkg Wood 25 50 6 4000- 4500 Peat 25 57 5.7 4500- 5000 Lignite 20 60-80 5 6500- 7000 Bituminous coal 4 83 5 8100- 8600 Anthracite coal 1.5 93.3 3 8650- 8700
Jan 25, 2016 Coals are classified into three main ranks, or types lignite, bituminous coal, and anthracite. These classifications are based on the amount of carbon, oxygen, and hydrogen present in the coal. Coals other constituents include hydrogen, oxygen, nitrogen, ash, and sulfur. Some of the undesirable chemical constituents include chlorine and sodium.
ECEENERGY47, para.13 the Classification has now been extended in order to include and harmonize all the extractable energy commodities, e.g. petroleum5, coal and uranium. 1 In the context of this classification, energy resources means all non-renewable energy resources of both inorganic and
Coal classification, any of various ways in which coal is grouped. Most classifications are based on the results of chemical analyses and physical tests, but some are more empirical in nature. Coal classifications are important because they provide valuable information to commercial users e.g., for power generation and coke manufacturing and to researchers studying the origin of coal.
Oct 07, 2013 Table 2 provides general practical guidelines for classification of electrical areas where combustible andor flammable materials are located and processes are performed in a coal
AREA CLASSIFICATION Why A brief history of accidents Severe accidents in coal mines occurred through the world in the 19th and 20th century thousands of casualties. Causes result of ignition result of ignition of Fire dampFire damp by sparks often generated by electricalby sparks often generated by electrical apparatus leading to those catastrophic accidents .
Classification of Coal 3. Economic Importance 4. By-Products. Essay Nature and Mode of Origin of Coal Coal is a black coloured solid, amorphous substance. It originates from organic material and com prises of carbon. Coals were primarily formed by submergence of large organic or vegetative substances beneath the earths crust and its ...
DRAUGHT. Draught is defined as the difference between absolute gas pressure at any point in a gas flow passage and the ambient same elevation atmospheric pressure. . Draught is achieved by small pressure difference which causes the flow of air or gas to take place. It
LECTURE-1 Classification of Energy sources About 70 of Indias energy generation capacity is from fossil fuels, with coal accounting for 40 of Indias total energy consumption followed by crude oil and natural gas at 24 and 6 respectively. India is largely dependent on fossil fuel imports to
Classification of Fly Ash The classification of fly ash is done differently as per codes used. They are 1. Type of Fly Ash as per IS Codes IS 3812-1981 A. Grade I This grade of Fly ash is derived from bituminous coal having fractions SiO2Al2O3Fe2O3 greater than 70 . B. Grade II
In this article we will discuss about the classification or type of fuels 1. Solid Fuels 2. Liquid Fuels and 3. Gaseous Fuels. The fuel is a material which when once raised to its ignition temperature continues to burn if sufficient oxygen or air is available.
Jan 26, 2016 Gondwana coal makes up to 98 per cent of the total reserves and 99 per cent of the production of coal in India. Satpuras, denudation weathering erosion has exposed coal bearing Gondwana strata. The carbon content in Gondwana coal 250 million years old is less compared to the Carboniferous coal 350 million years oldAlmost Absent in ...
coal is heated to 950 C 1,742 F in the absence of air under specified conditions - components of coal, except for moisture, which is liberated usually as a mixture of short amp long chain hydrocarbons, aromatic hydrocarbons amp some sulphur - measured practically by determining the loss of weight Consists of a mixture of gases, low-boiling-point
Classification of Stoker Firing - Free download as Powerpoint Presentation .ppt .pptx, PDF File .pdf, Text File .txt or view presentation slides online. Coal Firing method Various classification of stokers are discussed
See the Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses for a full description and exact definition of terms and entities. To see how a classification is recorded, follow this link to the Chest Radiograph Classification Form Cdc-pdf used by the NIOSH Coal Workers X-Ray Surveillance Program.
The new vitrinite classification ICCP System 1994, reprinted from Fuel 77, p. 349-358, with permission from Elsevier. International Committee for Coal and Organic Petrology ICCP, 2001. The new inertinite classification ICCP System 1994, reprinted from. Fuel 80, p. 459-471, with permission from Elsevier.
UNESCO EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING Vol. II - Surface Mining Methods and Equipment - J. Yamatomi and S. Okubo Encyclopedia of Life Support Systems EOLSS Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.
Coal is abundant in the United States and other devel-oped and developing countries, such as Russia, China, and India. Coal is relatively inexpensive and an excellent source of energy and byproduct raw materials. Because of these factors, domestic coal is the primary source of fuel for electric power-
Classification of Products On the Basis of Durability, Tangibility and Use . Marketers have traditionally classified products on the basis of three characteristics- durability, tangibility and use. 1. Durability and Tangibility Classification a Non-durable goods- Non-durable goods are tangible goods normally consumed in one or a few uses.
4.1 Types and Classification of Different Furnaces Based on the method of generating heat, furnaces are broadly classified into two types namely combustion type using fuels and electric type. In case of combustion type furnace, depending upon the kind of combustion, it can be broadly classified as oil fired, coal fired or gas fired.
Classification of Capital Capital can be classified as under i Fixed and Circulating Capital Fixed capitals are continuously used in the process of production. For instance, machines, tools, equipments etc. On the other hand, the capital which are used for single time, i.e., one-time used capitals are called circulating capital.
classification of coal macerals is highly botanical and can be done only with the aid of a microscope. 2.3.5 The macroscopic study and classification of coals, on the other hand, while not as fundamental, is easier to deal with. Coal has long been recognized to consist of just a few macroscopic constituents, usually interlaminated. These
Coal The proven global coal reserve was estimated to be 9,84,453 million tonnes by end of 2003. The USA had the largest share of the global reserve 25.4 followed by Russia 15.9, China 11.6. India was 4th in the list with 8.6. Oil The global proven oil reserve was estimated to be 1147 billion barrels by the end of 2003. Saudi
worlds supply of coal. China produces about 20. The U.S. produces about 15 of the worlds supply. ii. Petroleum and Natural Gas are the remains of mainly marine organisms. Typically found in underground formations called traps with the natural gas trapped on top and oil on the bottom.
Hazardous Area Classification - Free download as Powerpoint Presentation .ppt, PDF File .pdf, Text File .txt or view presentation slides online. This is a comprehensive presentation on Hazardous Area Classification, selection of electrical equipment, maintenance, auditing, Standards, etc.
machinery such as boomheaders, coal cutters, continuous miners and shearers. 1. Underground Mining Methods 1.1. Classification of Underground Mining Methods Mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining. Underground mining methods are usually
Jul 07, 2021 - Classification of Industries, Chapter Notes, Class 8, SST Class 8 Notes EduRev is made by best teachers of Class 8. This document is highly rated by Class 8 students and has been viewed 15511 times.
Sep 04, 2016 Boilers Introduction and Classification. The boiler system comprises a feed-water system, steam system, and fuel system. The feed-water system supplies treated water to the boiler and regulate it automatically to meet the steam demand. Various valves and controls are provided to access for maintenance and monitoring.
2 2. Classical London-type smog. London-type smog occurs in the regions where 1 emission of the sulfur-containing compounds is high due to burning of coal to generate heat and energy 2 air contains high liquid water contents e.g., fogs. Fog is the dispersed water drops. Fogs can be viewed as clouds that are in contact with
Some sources of energy are renewable like sun, wind, flowing water, ocean, wood, biomass etc. Some sources of energy are non renewable like coal, petroleum and natural gas. 3 3. Conventional sources of energy - a Fossil fuels - are fuels formed inside the earth from the remains of plants and animals after millions of years.
With current technology, coal-fired power plants using carbon capture equipment are an expensive source of electricity in a carbon control case. Other power sources, such as wind, nuclear, geothermal, and the natural gas combined cycle without capture technology currently appear to be more economical.
Indian coal reserves Classification of coal and where it . Sep 13, 2018 Classification of Coal. Coal can be classified on the basis of carbon content and time period. Types of coal on the basis of carbon content. Anthracite is the best quality of coal which carries 80 to 95 per cent carbon content. It ignites slowly with a blue flame.
classification, technical classification, commercial codification, seam coal, coalification, rank, low rank coal, medium rank coal, high rank coal, hard coal, brown coal, lignite, subbituminous coal, bituminous coal, semi-anthracite, anthracite, petrographic analysis,