Question: What Is The Difference Between Coking And Non Coking Coal?

What is Coke vs coal?

By distilling bituminous coal in retorts to obtain gas for illumination, or by burning it in kilns or pits, the residue left behind is called coke, which is simply coal charcoal, and is nearly pure carbon..

What is soft coke?

A black, sparse variety of coke produced by the carbonization of highly volatile coal at a high temperature, typically used in open fires and closed appliances like stoves.

What are the 5 types of coal?

What are the types of coal?Anthracite: The highest rank of coal. … Bituminous: Bituminous coal is a middle rank coal between subbituminous and anthracite. … Subbituminous: Subbituminous coal is black in color and dull (not shiny), and has a higher heating value than lignite.More items…•

Why is Coke used instead of coal?

Since smoke-producing constituents are driven off during the coking of coal, coke forms a desirable fuel for stoves and furnaces in which conditions are not suitable for the complete burning of bituminous coal itself. Coke may be combusted producing little or no smoke, while bituminous coal would produce much smoke.

What is the meaning of non coking coal?

Non Coking Coal does not have any caking properties and it is mainly used as thermal coal for power generation. It has a higher ash content and also used in industries like cement, fertilizer, glass, ceramic, paper, chemical and brick manufacturing.

What is the difference between thermal and coking coal?

Thermal coal, also called steaming coal, has a lower energy content and higher moisture and is used to generate electricity. Metallurgical or coking coal has a higher energy content and lower moisture and is used to make iron, steel and other metals.

Is Coke a fossil fuel?

Coal gas, coke and producer gas are the byproducts of coal and are not fossil fuels, except natural gas which is a fossil fuel.

Does Coke burn hotter than coal?

Coal is a shiny, black fossil fuel that contains impurities, emits smoke when burned, and produces less heat than coke. Coke is a dull, black byproduct of coal that burns hotter and cleaner. … However, blacksmiths still rely on coke as an efficient source of fuel for the forge.

Which coal is used for making coke?

Coking coalCoking coal, also known as metallurgical coal, is used to create coke, one of the key irreplaceable inputs for the production of steel. There are many varieties of coal in the world, ranging from brown coal or lignite to anthracite.

What is the cleanest form of coal?

AnthraciteAnthracite is used for space heating as it is one of the cleanest types of coal to burn—producing less smoke than other types. Its clean burning properties allows anthracite to burn longer than wood, making it appealing to use in home heating stoves.

Can you make steel without coking coal?

HydroMOR can also process iron ore fines or mill scale, which are considered lower-value than premium lump iron ore and often considered waste. So, steel can be made without metallurgical coal. And green steel made from renewable-generated hydrogen may one day be affordable.

Is there an alternative to coking coal?

This one is obvious – renewables! Blast furnaces need coal, but there is an alternative technology called an Electric Arc Furnace (EAF). This is responsible for approximately 30% of the world’s steel production and does not require coal.

What does coking mean?

Coking is the heating of coal in the absence of oxygen to a temperature above 600 °C, to drive off the volatile components of the raw coal, leaving a hard, strong, porous material of high carbon content, called coke. … When a kilogram of coke is burned it releases more heat than a kilogram of the original coal.

What are the 4 grades of coal?

Coal is classified into four main types, or ranks: anthracite, bituminous, subbituminous, and lignite.

Is Coke a clean fuel?

Coke is used as a fuel and as a reducing agent in smelting iron ore in a blast furnace. The carbon monoxide produced by its combustion reduces iron oxide (hematite) to the iron product. Although coke is more expensive than coal, it can be used in households as a clean fuel, relatively free of smoke and impurities.

What is choken?

Choking occurs when breathing is impeded by a constricted or obstructed throat or windpipe. … In some cases the air flow is completely blocked, in other cases some amount of air can pass to the lungs.

What is the chemical formula of Coke?

Cola extractPubChem CID6850841Molecular FormulaC30H32N8O10SynonymsCola extract Kola extract Cola nut extract Kola nut extract Cola (genus), ext More…Molecular Weight664.6 g/molComponent CompoundsCID 2519 (Caffeine) CID 1203 (L-Epicatechin) CID 5429 (Theobromine)2 more rows

Which coal has highest ash content?

AnthraciteAnthracite is the highest ranked coal with the carbon percentage of above 87%. The carbon content in bituminous is 77-87%, in sub-bituminous is 71-77% and in lignite is 60-70%. Lignite has the least carbon content and hence highest ash content.