Improved sulfateProcess Technology Deep Delignification The concept of deep delignification was first proposed by Professor Hartler of the Royal Institute of Technology in Sweden in

Alkaline cooking is divided into intermittent cooking and continuous cooking according to the operation. Intermittent cooking Cooking process 1.Loading and liquid feeding Refers to loading

The reaction process of cooking, the dissolution characteristics and change laws of lignin, carbohydrates and other components in the raw materials at each stage of

Cooking principle The aqueous solution of chemicals, that is, cooking liquid, reacts with plant materials to remove lignin and separate fibers from each other.Cooking is

What is chemical pulping in the paper industry? Chemical pulping: refers to the process of using chemical agents to treat plant fiber raw materials under

Preparation of Wood Raw Material Stock preparation of wood raw material Different pulping methods have different requirements for wood raw materials. Some require slicing, such

The material preparation section is an important part of the pulp and paper production process. It directly affects the product quality and production cost of

The current situation on board paper production From 2009, China has become the largest papermaking country in the world. In 2016, paper and paper board

In terms of the development of pulping technology, first of all, we should know some concepts about pulping, and paper-making processes. 1.Pulping Process Pulping is