(Coking of coal)
The process of heating coal in the absence of oxygen to obtain useful products is called destructive distillation of coal..
Bergius process
In this process, powdered coal is mixed with heavy oil and heated with hydrogen under high pressure (200-250 atm) at about 748 K in presence of iron oxide as catalyst...
In this process, powdered coal is mixed with heavy oil and heated with hydrogen under high pressure (200-250 atm) at about 748 K in presence of iron oxide as catalyst...
Aliphatic hydrocarbons from coal
Synthetic Petrol (Aliphatic hydrocarbons from coal) - The petrol obtained artificially from coal as a mixture of alkanes resembling petroleum like aliphatic hydrocarbon fuels is called synthetic petrol. Two important methods for producing synthetic petrol are the Fisch..
Process
The impure liquid or a mixture of two liquids is taken in a distillation flask fitted with a thermometer and a condenser. The flask is heated on a sand bath, on a wire gauze or in a water bath. The more volatile liquid, i.e. the one having a lower boiling point, boils first and the vapor..
The impure liquid or a mixture of two liquids is taken in a distillation flask fitted with a thermometer and a condenser. The flask is heated on a sand bath, on a wire gauze or in a water bath. The more volatile liquid, i.e. the one having a lower boiling point, boils first and the vapor..Process
The impure compound and water are placed in a distillation flask kept at a slight slant position and heated on a sand bath. Steam is then bubbled through this mixture. The vapors of the compound, along with steam, leave the flask from the outlet and get condensed in the water condenser. ..
The impure compound and water are placed in a distillation flask kept at a slight slant position and heated on a sand bath. Steam is then bubbled through this mixture. The vapors of the compound, along with steam, leave the flask from the outlet and get condensed in the water condenser. ..Process
The mixture to be separated is taken in a suitable solvent and the solution is poured on the top of the column of the adsorbent. It is allowed to pass slowly through it and as it passes through the column the different constituents of the mixture get adsorbed to different extent, forming bands in ..
The mixture to be separated is taken in a suitable solvent and the solution is poured on the top of the column of the adsorbent. It is allowed to pass slowly through it and as it passes through the column the different constituents of the mixture get adsorbed to different extent, forming bands in ..Fractional Distillation
Refining of Petroleum..
Simple Distillation
It is used for separating liquids having boiling points differing by 10-20 degrees. The liquid having the lower boiling point distills over first, and the other liquid component is left behind. In this process, vaporization and condensation occur side by sid..
Fractional Distillation
Fractional distillation is employed to separate two or more liquids that are miscible. The boiling points of these liquids should be fairly far apart. When distilled, the liquid with the lower boiling point distils over first, and is collected. It is the first fraction..
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