How to dispose of religious texts has been a matter of concern to believers down the ages.
According to
http://www.cabinetmagazine.org/issues/13/cook.php
at least one Islamic scholar favoured the burning of worn out Korans.
"A small treatise on the subject by Güzelhisari, a Turkish scholar of the late 17th century, sums up the methods already discussed by earlier Muslim jurists: burning the material, burying it, washing off the writing, setting the texts aside in a clean place where impure hands would not touch them (as in the cases of the collections from Damascus and Sanaa), or some combination of these procedures. Güzelhisari himself favors burning. But it becomes clear from his account of the various choices that none was felt to be entirely satisfactory. Burning, as one scholar cited by Güzelhisari argues, implies disrespect..."