Answer to Question #233519 in Chemical Engineering for Lokika

Question #233519

What are the different pulping methods that are available in paper industries?


1
Expert's answer
2021-09-12T00:32:04-0400

Chemical pulping: is a method that breaks down the chemical structure of lignin and renders it soluble in the cooking liquor hence washing it from the cellulose fibers.

Mechanical pulping: is a method used for separating fibers minus extra chemicals.

Semi-chemical pulping: is a combination of mechanical and chemical pulping methods where there is the treatment of fibers with chemicals before mechanical pulping.




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