frasch process is used to

In Louisiana (USA) and Gulf of Mexico large sulphur deposits occur at a depth of about 300-400 metres below the earth's surface. Layers of soft sand, clay and rocks over these sulphur beds make it practically impossible to extract sulphur from the deposits. Hermen Frasch in 1894 devised ..

Metals and Non-metals..

Sulphur has a low melting point of about 112 o C - 115 o..

Mining of Sulphur - Frasch Process A Frasch pump consisting of a set of three concentric pipes is sunk deep into the sulphur bed Super heated water at 170 0 C under pressure is pumped in through the outermost pipe Sulphur in the sulphur bed melts due to i..

The first step in the manufacture of sodium carbonate is to generate carbon dioxide. This can be got by heating limestone. The Plant Used in the Solvay Process..

The process of electroplating involves the following steps: Before electroplating the metal surface is cleaned thoroughly. Firstly, an alkaline solution is used to remove grease and then it is treated with acid to remove any oxide layer. It is then washed with water. The a..

>The following table shows the boiling ranges and uses of some fractions of petroleum: Fractions Boiling Range Uses Petroleum gas < 40C * Domestic fuel (LPG) * Production of H2 * Production of carbon block Petrol 40 170C * Fuel for light motor vehicles * Solvent for dry cleaning..

These are biological filtration and activated sludge process. In particular cases, the processes such as carbon adsorption, oxidation and reduction, ion exchange, reverse osmosis, electro dialysis, etc., are also used..

The Process of Electrolysis - According to the theory of electrolytic dissociation, electrolytes can be electrolysed only in the dissolved or molten state. These charged ions are directed towards the respective electrodes by the electricity supplied. Let us examine the process o..

Separation of the Constituents of Mixtures - Filtration - Filtration is the process of separating the solid from liquids by passing through a filter. Normally, after the tea is made, the leaves are separated by straining it through a strainer, or a clean piece of cloth. What you are doing..