To study the effects of adverse reactions between the Palazzo courtyard Po silica and alumina or silica in sediment supply and rice husk ash reacts with calcium hydroxide in lime.
To study the effect of pozzolan reaction between silica and alumina or silica in water, sediment and rice husk ash reacts with calcium hydroxide in lime.
To study the effect of the pozzolanic between silica and alumina or silica in water treatment sludge and rice husk ash react with calcium hydroxide in lime.