Deinking process is the process that eliminating printing ink from recycled fibers to produce deinked pulp. This process can be achieved by a combination of mechanical and chemical action. There are different types of waste paper such as office waste (OW), Old Magazine Papers (OMP), Old newsprint (ONP), telephone directories, catalogs, box-board cuttings, paperboard etc. … Read more
Kraft pulping process is the most used pulping process in the world. In this process lignin goes into the reactions with the cooking liquor chemicals and split into fragment. These fragments dissolved with the solution and wood disintegrates into fiber. During the kraft pulping process about 80 percent of lignin, 50 percent of hemicelluloses and … Read more
Sulfate or Kraft pulp is one of the chemical pulping processes. It is manufactured by alkaline method. Kraft pulping process is the dominating pulp manufacturing process in the world. Today this process is most widely used with a production of 70-80% of the total Pulp. Raw material: Although soft wood are mostly used but any … Read more