This is done using chlorine or oxygen-based chemicals to remove any residual coloring agents while maintaining the integrity of the fiber structure. The diluted pulp stream, called the "furnish," is spread onto a rapidly moving wire mesh belt.
Refinement and Bleaching in Paper Making
Following refinement, the pulp may be bleached to achieve a bright white color. This step is critical for developing the bonding properties of the fibers.
This coating fills the gaps between the fibers, resulting in a smoother, more opaque surface that improves ink holdout and image sharpness. Before processing, the logs are debarked and chipped into small, uniform pieces roughly the size of a postage stamp to ensure consistency in the subsequent stages.
Refinement and Bleaching for Premium Paper Making
This process crushes the wood fibers without removing the lignin—the natural polymer that binds the cellulose together—resulting in a high yield of material. This chemical cooking dissolves the lignin, freeing the individual cellulose fibers to form a strong, flexible mat known as pulp.
More About Making paper from wood
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