Pulp bubble causes, what are the methods to solve the foam?
Pulp is in the paper making process will be added to the pulp gum, filler, color and other additives modulation into a fiber suspension for papermaking. Pulp is an organic substance with general colloidal properties, rich in plasticity, can be used as a dye and other chemicals on the fabric transfer agent. In the practical application of pulps, the problem of foaming arises from time to time. These foams are viscous, difficult to eliminate, very much in need of pulp defoamer help. More types of paper pulp, there are mechanical wood pulp, sulfate wood pulp, sulfite wood pulp, waste paper pulp and other four categories. Mechanical wood pulp is the use of mechanical methods of grinding fiber raw materials made of pulp, it occupies an important position in the paper industry. As the pulp contains a lot of air, a lot of these gases will be trapped inside the pulp, difficult to escape, so it will form a lot of foam; In addition, the pulp contains many lignin polysacch...