	US 11,667,571 B2
	Tinted mortar composition containing fuel ash
Babatunde Abiodun Salami, Dhahran (SA); Megat Azmi Megat Johari, Universiti Sains (MY); Mohammed Maslehuddin, Dhahran (SA); and Zainal Arifin Ahmad, Universiti Sains (MY)
Assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed by KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran (SA)
Filed on Aug. 18, 2021, as Appl. No. 17/405,658.
Application 17/405,658 is a continuation of application No. 16/522,200, filed on Jul. 25, 2019, granted, now 11,168,027.
Prior Publication US 2021/0380479 A1, Dec. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C04B 26/00 (2006.01); C04B 18/08 (2006.01); C04B 18/02 (2006.01)

CPC C04B 26/003 (2013.01) [C04B 18/02 (2013.01); C04B 18/087 (2013.01)]

6 Claims

1. 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.