Even the monuments need to clean up every now and then: in fact, a bio-restoration.
Pollution in fact the formation of the so-called "black crust" on the surface.
Pollution in fact the formation of the so-called "black crust" on the surface.
I fished out an article in the Corriere della Sera 07/09/2006, reporting a study by the University of Milan where it says that for this purpose may be used for micro-organisms.
The procedure involves the application of live cells of bacteria desulfuricanti ( Desulfovibrio vulgaris) and covering with plastic film for a time ranging between 12 and 72 hours.
The patent has been filed under the name " procedure biopulitura surfaces of different chemical nature of artifacts and buildings ", and is different depending on the type of work to be restored: such bodies there are in fact more suited to marble, the other frescoes.
The complete article you can find it HERE .
The procedure involves the application of live cells of bacteria desulfuricanti ( Desulfovibrio vulgaris) and covering with plastic film for a time ranging between 12 and 72 hours.
The patent has been filed under the name " procedure biopulitura surfaces of different chemical nature of artifacts and buildings ", and is different depending on the type of work to be restored: such bodies there are in fact more suited to marble, the other frescoes.
The complete article you can find it HERE .
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