What is the name of the chemical used in the cleanup of paper documents of inks that are falling out when stored for long periods ?

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Posted by:
Moataz Ali Sobhi
10-December-2015

There is a chemical used to clean dry ink and dirt accumulated on the paper documents when stored for long periods - or chemical structure (raw materials that go into the chemical composition). Bearing in mind that it does not permanently affect the original documents and publications because it has been the use of thermal ink to print !

Engineering Civil Engineering

Question added by Deleted user
Date Posted: 2017/02/15

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2 Answers

by direslign gmariam , urban agriculture group leader , trade office

In the production of white paper, the wood pulp is bleached to remove any color from the trace amounts of lignin that was not extracted in the chemical pulping process. There are three predominant methods of bleaching:

Elemental chlorine bleaching uses chlorine and hypochlorite.
Elemental chlorine-free bleaching is more environmentally friendly since it eliminates the use of hypochlorite and replaces chlorine with chlorine dioxide or sodium chlorate.[3]
Totally chlorine-free bleaching utilizes oxygen and hydrogen peroxide. This is the most environmentally friendly process since it eliminates all chlorinated pollutants.[4