Back to results
US 9,266,776 B2Granted
Utilization of heavy oil ash to produce self-consolidated concrete
AssigneeSaudi Arabian Oil Company
InventorsMohammed Al-Mehthel, Mohammed Maslehuddin, Fahad R. Al-Dossari, Mohammed Rizwan Ali, Mohammed Salihu Barry
Life of this patent
Estimating the term…
Abstract
A heavy oil ash self-compacting concrete can include aggregate, heavy oil ash fines, water, and cement. The heavy oil ash can include more than 90% carbon, by weight. In an embodiment, the heavy oil ash self-compacting concrete can flow under its own weight and yet maintain a stable mixture consistency.
Claims14
A method of disposing heavy oil ash comprising the steps of:
- mixing Portland cement and water to form a cement mixture;
- adding to the cement mixture heavy oil ash fines, wherein the heavy oil ash fines comprise at least 90% carbon and at least 80% of the heavy oil ash fines being finer than 45 microns (#325 sieve), wherein the heavy oil ash fines do not have cementitious or pozzolanic properties and do not react with lime;
- and
- adding pozzolanic aggregate create a heavy oil ash self-compacting concrete that is capable of flowing under its own weight.
1 more element
Dependencies are inferred from the claim text.