The bagasse is a very important raw material for non-wood fiber pulp making. With the characters of rich and concentrated source, convenient treatment, and wide applications, bagasse pulp receives more and more recognition from paper and pulp industry. As the development of bagasse pulp making, bagasse pulp is applied to various types of papermaking. For … Read more

The continuous cooking and displacement cooking are common pulp cooking processing. What is the difference between them? As a paper pulp making machine manufacturer, CNBM has built a lot of paper pulp solution project and provided digester, blow tank, vacuum washer, twin roll press, single screw press, and other paper pulping machines to clients. Today, … Read more

The continuous cooking is a popular type of pulp cooking process just like batch cooking. Continuous cooking system can be divided into continuous digester and continuous tubular digester. Advantages of continuous cooking For large-scale cooking equipment, the infrastructure investment and operation cost of continuous cooking equipment is relatively low; High pulp yield per unit, small … Read more

Paper pulping is the process of separating pulp from plant fiber materials. After the plant fiber material is chemically cooked by digester, 50 to 85% of the pulp is obtained, and about 15 to 50% of the substance is dissolved in the cooking liquid, and the cooking liquid is discharged by the cooking, which is … Read more

Paper pulping technology is very important to the paper quality. As we all know, paper pulping process can be divided into several steps, such as pulp cooking, pulp washing, and screening, pulp bleaching, etc. Except for the paper pulp machine like digester, blow tank, drum washer, and twin roll press, there is some vital technology … Read more

We can often see some terms of paper pulping process, such as black liquor, white liquor, red liquor, and green liquor. For a beginner of paper pulp making, you may confuse about them, what’s the meaning of these terms? What’s difference between black liquor and white liquor? CNBM helps you figure it out. Black liquor … Read more

Wood pulp is the most widely used paper pulp, it can be divided into hardwood pulp and softwood pulp. The hardwood takes about 65% of forest growing stock, and its proportion gradually increase. The hardwood pulp is competitive among all kind of paper pulp. Compared to the softwood, the hardwood is dense, so the large … Read more

The straw pulp is a common paper pulp just like wood pulp. Straw pulp can be made from various fiber materials, such as wheat straw, rice straw, eulaliopsis binata and etc. Compared to wood fiber, the straw fibers are easy to get, so that straw pulp cannot be overlooked. Straw pulp making methods include soda … Read more

The waste paper pulp is made of various fiber mixture, including mechanical pulp fiber and chemical pulp fiber, the paddings, coloring matters, pigment, and some ink particle produced in the printing process. With the development of printing and coating, the chemical property of waste paper becomes complex. How to make paper pulp from waste paper? … Read more

Solid wastes refer to a variety of solid residues produced in the process of paper and pulp making. The solid wastes include five types, such as barks, sawdust, bagasse pith, the straw of preparation workshop; fiber, fiber fines and packing of paper machine room; green mud and white mud of alkali recovery workshop; ash of … Read more