Improvements in or relating to ion-exchange processes for the treatment of water

摘要

A procedure for the preparation of a refractory concrete that comprises the mixing of molten aluminous cement with aggregates and with water and the settlement of the mixture obtained before its setting, maintaining the temperature of the mixture, during setting, at a value higher than 30ºC and preferably between 40 and 80ºC, so that the cement crystallizes in the cubic system. (Machine-translation by Google Translate, not legally binding)