Different types of coal and their uses pdf

Factboxtypes of coal and their uses 3 min read aug 15 coal is used to produce 40 percent of the worlds electricty, most of its steel and the cement in its buildings and shows no sign of. Integrated circuits are used in defense applications, high performance computers and telecommunications. Other problems that may arise from the use of coal are. Anthracite, bituminous, coke, pictures, formation, uses.

Pdf coalbased products and their uses researchgate. Because the physical properties and coal quality vary widely, coal fired power plants must be engineered to accommodate the specific properties of available feedstock and to reduce emissions of. Coal is used primarily in the united states to generate electricity. Semi anthracite coal is harder than bituminous coal. The degree of change a coal underwent as it matured from peat to anthracite can be termed as coalification. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Proper storage is required to spontaneous combustion. Bituminous coal is a relatively soft, black coal that is formed by the diagenetic and submetamorphic compression of peat bog material.

Contains carbon, volatile matter, moisture and ash mostly used for power generation and metallurgy. For a closer look at the different coal types and their uses, check out our other articles on the subject. What are the different coal prices published by eia. This is the coal of the first stage of coalification. Because the physical properties and coal quality vary widely, coalfired power plants must be engineered to accommodate the specific properties of available feedstock and to reduce emissions of. Fossil fuel, hydrocarboncontaining material of biological origin that can be burned for energy. Coal is a fossil fuel created from the remains of plants that lived and. Each type of fire extinguisher is suitable for different types of burning media and will have a fire rating based on the volume of fire that they are capable of extinguishing. Subbituminous coal is the result of millions of years of continued pressure and high temperatures on lignite.

Coking coals, used to make coke for use in blast furnaces, have particular properties which allow it to form a. Macerals microscopic organic constituents found in coal are identified microscopically by reflected light the reflective or translucent properties of the coal indicating the individual component macerals. What are the different types of fuels and their characteristics. What are the different types of fuels and their characteristics fuels most of the substances used for burning are fuels.

Nonfuel uses of coal include chemical products such as refined coal tar which is used in the manufacture of chemicals, for example creosote oil, naphthalene, phenol and benzene. Overview of different type of fly ash and their use as a building and construction material conference paper pdf available january 2011 with 16,631 reads how we measure reads. Spot price is the price for a onetime open market transaction for immediate delivery purchased on the spot at current market rates. Types of coal the four types of coal are peat, lignite, bituminous, and anthracite. China produces more hard coal than any other country by a factor of about three. Aug 15, 2007 factboxtypes of coal and their uses 3 min read aug 15 coal is used to produce 40 percent of the worlds electricty, most of its steel and the cement in its buildings and shows no sign of. Coal is classified according to moisture, natural gases and carbon content.

Fossil fuels, which include coal, petroleum, and natural gas, supply the majority of all energy consumed in industrially developed countries. Some ores form from the cooling and crystallization of minerals within magmas, lavas, or igneous intrusions. Apr 26, 2019 what are the different types of fuels and their characteristics fuels most of the substances used for burning are fuels. Introduce students to different types of rocks and their uses. Coking coal also known as metallurgical coal is mainly used in steel production. The heat and pressure of burial alters the texture and increases the carbon content of the peat, which transforms it into coal, a type of sedimentary rock. Rank refers to steps in a slow, natural process called coalification, during which buried plant matter changes into an ever denser, drier, more carbon rich, and harder material.

Lignite coal has fixed carbon moisture content 30 to 45%. It is soft and ranges in color from black to shades of brown. Coal is a fossil fuel that is, essentially, the altered remains of prehistoric vegetation, as the world coal association wca puts it. Optoelectronic devices were used in areas such as aerospace, consumer goods, industrial equipment, medical equipment and telecommunications.

Coal reserves are six times greater than oil and petroleum reserves. This is enough coal to last approximately 225 years at todays level of use. Many people, when ordering coal from their local coal man do not realise that there are many different types of this fuel source available on the market. An igneousplutonic rock, generally massive, but may exhibit a layered structure produced by successive layers of different mineral composition. Coal is mostly carbon with variable amounts of other elements. Learn about the types of fossil fuels, their formation, and uses. Gas is a matter whose molecules are bound by week forces of attraction such that they are widely separated from each other.

Ammonia gas recovered from coke ovens is used to manufacture ammonia salts, nitric acid and. All types of coal contain fixed carbon, which provides stored energy and varying amounts of moisture, ash, volatile matter, mercury, and sulfur. Why do different types of coal have different composition. If it burns, sparks or gets hot, somebodys tried to run a car on it. Table 71 carbon content and age of different coals coal type approximate age years. Ash consists of inorganic matter from the earths crust. Compared with other types of coal, it is of a higher quality. Steam coal also known as thermal coal is mainly used in power generation. Since, any form of volatile matter is called a gas there are many. Types, or ranks, of coal are determined by carbon content. In fact, because of these differing elemental makeups, there are actually three different. The united states has the worlds largest known coal reserves, about 263. Coal is a black or brown rock, consisting mainly of carbon, which is formed by the compressed vegetative remains of past ages.

Anthracite, bituminous, sob bituminous, lignite determined by the proportion of carbon to moisture. The whopping 3,162 million metric tons of hard coal produced by china dwarfs the output of the second and thirdranked producersthe u. It is a hard, brittle, and black lustrous coal, often referred to as. Types of foundation for buildings and their uses pdf. Jul 31, 2017 it can be a caking, cooking or free burning coal. There are many different types of coal as there are different ways to make them. An introduction to coal quality usgs publications repository. Different types of coal introduction underground coal. However, there are a number of different coal types. Coal is a combustible black or brownishblack sedimentary rock, formed as rock strata called coal seams. Mar 28, 2020 fossil fuel, hydrocarboncontaining material of biological origin that can be burned for energy. Due to this, they are invisible and also without specific shape.

Peat coal contains high moisture and a small percentage of volatile matter and % of carbon. In fact, because of these differing elemental makeups, there are actually three different types of coal, each with different energy properties. It is widely used as crushed stone for concrete aggregate, road metal, railroad ballast, etc. The less moisture and volatile substances it contains gases, the easier it. Energy information administration eia publishes various coal prices. According to the world coal association, the primary uses of coal are in electricity generation, the creation of liquid fuel, the production of steel and cement manufacturing. It is important to be aware that coal can cover a variety of finished products of differing values and requiring different treatment. Coal is a fossil fuel which is formed by the decomposition and degradation of plant, vegetation and animal life over a period of million of years under the pressure of earth. There are also many different properties that should be considered when making coal. Bituminous usually has a high heating btu value and is the most common type of coal used in electricity generation in the united states. Some commonly used fuels are wood, coal, cow dung cakes, kerosene, lpg, petrol, and diesel. Substances that produce heat and light energy on burning are called fuels. With an increase in the amount of carbon, its calorific value rises. Coal is a sedimentary rock, and bituminous coal frequently contains bands, or strips, of different consistency that mark the layers of plant material that were compressed.

The four main types of coal are lignite coal, subbituminous coal, bituminous coal, and anthracite coal. Coal reserves are beds of coal still in the ground waiting to be mined. This article will inform you of just 4 of the different coals that are used to produce energy worldwide. In the subsequent geochemical stage, the different timetemperature histories led to the formation of coals of widely differing properties, as summarized in table 71 and discussed below.

Below is an overview of each type of fire extinguisher including its rating and suitable uses. Coals are congenitally deficient as clean energy, but have overwhelming advantages as raw materials for fine organic chemicals and advanced carbon materials. What are the different types of coal and their uses. We use a lot of energy in our homes, in businesses, in industry, and for traveling between all these different places. Nonfuel uses of coal united states energy association. Coal originally began to form during the carboniferous period. This is an updated version of an article published by the investing news network in 20. A generalized diagram of a swamp, showing how water depth, preservation conditions, plant types, and plant productivity can vary in different parts of the swamp. Coal originally began to form during the carboniferous period, which took place between 360 and 290 million years ago. The main division is between coking coal and energy or steaming coal. The less moisture and volatile substances it contains gases, the easier it can be stored and transported.

Uses of energy residential homes commercial buildings industry and manufacturing transportation cars, trucks, planes, etc. Much of the presentday high quality coals were deposited during carboniferous era, i. There are two primary types of coal, thermal coal and metallurgical coal. Other important users of coal include alumina refineries, paper manufacturers, and the chemical and pharmaceutical industries. We extracted various coals with different solvents and devel. Since the earliest internal combustion engines, folks have tried to run engines on hydrogen, acetylene, gunpowder, moonshine, potatoes and almost anything else with a hydrogen and oxygen atom. Peat is often not listed as a type of coal since the use of it as an energy source is limited today.

The coal formation process involves the burial of peat, which is made of partly decayed plant materials, deep underground. Jul 18, 2016 it has to do with the process of coalification. The structure is fibrous and its color ranges from brown to black higher. Pdf overview of different type of fly ash and their use as.