Posts Tagged ‘ paper ’

Overview of the Manufacturing Process for Paper and Board : Part 2

Continued from Part 1 . All components mentioned in Part 1 have to be adequately prepared for optimum use in the papermaking process steps. The additives may be delivered ready for use or may have to be finally prepared according to the requirements in the mill. Fiber stock preparation includes several unit operations depending...
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Paper and Board Today : Part 2

The paper and board market is global, and so is the paper industry where an evident consolidation has occurred over the last decades: In 1980 the 150 biggest companies contributed about 45 % to the overall production, in 2000 this figure was about 70 % in a market which had nearly doubled from about...
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Objective of PM Control Systems

 Objective and General Terms of PM Control Systems 9.1.1 Objective A typical paper machine has a few thousands remote or automatically controlled functions like positioning systems, drives, valves and more than a thousand addi¬tional measurement devices to monitor the process and the condition of the ma¬chine. It is impossible for an operator to oversee...
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Non-fiber Raw Materials For Paper

Pigments as Fillers Mineral fillers have long been used in papermaking. While they can be found in different paper and board grades, printing and writing papers represent by far the most dominant area for their application. Initially, they were added to increase the weight of the sheet and to improve the writing properties. Today,...
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Paper and Board Today : Part 1

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...
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