A Few Facts About Phone Books Recycling
Composition of Phone Books
As with any recyclable, knowing exactly what phone books are of is important. The books’ composition can affect the end user selected, the collection methods, or even whether the books are recycled at all.
Needs of Paper Mills
The components a particular mill can handle will depend on the product into which the old telephone directories (OTD) is being made and upon that mill’s technology for handling inks, glues, etc. A basic understanding of the papermaking process is useful in matching the optimal end user to OTD from a specific community.
Most mills begin the recycling of OTD by shredding, or “hogging,” the books. This may have been done earlier, prior to baling, depending on the mill’s specifications and who processed the OTD for shipment to them. The baling strips are removed and the shredded books are processed with chemicals and water to remove ink, coatings, and glue. De-inking technologies very by mill, and are closely guarded trade secrets.
This cleaned fiber may be mixed with some virgin pulp fiber, depending on the recycled content of the end product. The wet paper mixture is thinned and passed into sheets, dried by hot air...
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