US Patent Issued to UNITED ARAB EMIRATES UNIVERSITY on Feb. 17 for "Method of recycling waste paper ash as cement alternative in carbonation-cured concrete" (Emirati Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,708, issued on Feb. 17, was assigned to UNITED ARAB EMIRATES UNIVERSITY (Al Ain, United Arab Emirates).

"Method of recycling waste paper ash as cement alternative in carbonation-cured concrete" was invented by Hilal El-Hassan (Al Ain, United Arab Emirates), Karim Hassan (Al Ain, United Arab Emirates), Jad Bawab (Al Ain, United Arab Emirates) and Tamer El-Maaddawy (Al Ain, United Arab Emirates).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel method for producing WPA concrete utilizing wastepaper sludge ash as partial replacement of cement. The method comprises mixing ordinary Portland cement (OPC), waste paper ash (WPA), aggregates, and water, ...