Paper and Board Today : Part 1

2012-02-12T15:58:22+00:00 Categories: Introduction to paper|Tags: , , , |

The history of paper is also the history of human culture and civilization. The Egyptians, Greeks and Romans wrote on “papyrus”, a paper-like material. Today’s kind of paper was first developed and used in China. Paper was the most im­portant carrier of information in the past. It was only with increasing paper pro­duction that the [...]

Overview of the Manufacturing Process for Paper and Board : Part 1

2017-01-08T00:14:26+00:00 Categories: Introduction to paper|Tags: , , , , , , |

Overview of the Manufacturing Process for Paper and Board Papermaking today includes, in principle, the same process steps as applied for centuries: preparation of the fiber material, sheet or web forming, pressing, dry¬ing, sizing and smoothing. However, in the last two centuries much of the detail has changed. Each process step has undergone – and [...]

Historical Background and General Aspects

2017-01-08T00:14:26+00:00 Categories: Introduction to paper|Tags: , , , , , , |

Historical Background and General Aspects 1.3.1 Introduction Paper is defined internationally as a thin layer of mostly cellulosic plant fibers, produced on a screen by dewatering a slurry of fibers in water [2]. The slurry is called pulp. Despite recent developments (proteinic or synthetic fibers, chemical additives, coating, etc.) the “cellulosic plant [...]

Economic Aspects of Paper

2017-01-08T00:14:26+00:00 Categories: Introduction to paper|Tags: , , , , , , |

In 2002 the world production of paper and board was ca. 331 V 106 t. Although paper and board are used in some form or other in all parts of the inhabited world, the production is left to a limited number of countries. More than 9000 paper machines are responsible for production in 111 of [...]