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US 11,667,571 B2Granted
Tinted mortar composition containing fuel ash
AssigneeKing Fahd University of Petroleum and Minerals
InventorsBabatunde Abiodun Salami, Megat Azmi Megat Johari, Mohammed Maslehuddin, Zainal Arifin Ahmad
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Abstract
A mortar composition, which includes (i) a treated palm oil fuel ash, wherein the treated palm oil fuel ash is the only binder present, (ii) a fine aggregate, (iii) an alkali activator containing an aqueous solution of sodium hydroxide and sodium silicate, and (iv) aluminum hydroxide as a strength enhancer. A cured mortar made from the mortar composition is also disclosed with advantageous compressive strength properties.
Claims6
A tinted mortar composition, comprising:
- a pigment selected from the group consisting of iron oxide, carbon black, chromium oxide, and titanium dioxide;
- a treated palm oil fuel ash as a binder, wherein the treated palm oil fuel ash is the only binder present;
- a fine aggregate;
- an alkali activator comprising an aqueous solution of sodium hydroxide and sodium silicate;
- and
- aluminum hydroxide as a strength enhancer, wherein the aluminum hydroxide is the only strength enhancer present, and
- wherein the treated palm oil fuel ash is present in an amount of 20 to 30 wt. %, based on a total weight of the mortar composition.
4 more elements
Dependencies are inferred from the claim text.