PROCEDIMIENTO PARA LA TRANSFORMACION DEL CARBONATO DE CALCIO PARA LA RESTAURACION DE MONUMENTOS DE PIEDRA O SIMILARES

摘要

Procedure for restoring monuments made of stone or similar materials consisting of the removal of the sulfate present in the deteriorated stone caused by the pollutant urban air, releasing the calcium ion in the original stc followed by re-exposure to the action of carbon dioxide ur controlled conditions, in order to reprecipitate the calcium as the carbonate, in the calcite form.