Pulping is a procedure that separates fibrous material and cellulose from wood or other crude material as a prelude to papermaking. The reason for pulping is to free cellulose strands from other chemicals and polluting influences in the wood (or different fibrous source). Before wood can be pulped, it must experience debarking i.e. expelling bark mechanically or hydraulically and then sending the debarked wood into a chipper to cut them into small pieces ready for pulping. Pulping can be done by three processes – Mechanical – Using machines like revolving disks to prepare the pulp for paper making. Chemica l – wood chips are cooked in a combination of chemical solution to remove cellulose or lignin from the wood. Semi-mechanical – a blend of mechanical and chemical. Here we understand the process of Chemical Pulping in detail. As known it is a method of converting the wooden chips into damp pulp for paper making or processing, by cooking the wooden chips in a chemical sol