The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2017
Filed:
Oct. 22, 2015
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Reyad Awwad Shawabkeh, Dhahran, SA;
Ibnelwaleed Ali Hussein, Dhahran, SA;
Hafiz Muhammad Zaheer Aslam, Al-khobar, SA;
Nadhir H. Al-Baghli, Dhahran, SA;
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Abstract
A process for making a modified, mesoporous activated carbon material from waste oil fly ash. The process involves a physicochemical treatment of a raw waste oil fly ash sample, where the sample is initially refluxed in an acid solution, then activated at about 1000° C. and in the presence of carbon dioxide. The activated carbon may be further functionalized with carboxylic and/or amine groups by refluxing the activated carbon in a second acid solution and/or an ammonia solution. The activated carbon, as prepared, has a BET surface area of 30-400 m/g, a total pore volume of 0.25-0.50 cm/g and an average pore size of 40-100 Å. A method for removing hydrogen sulfide from natural gas with the modified activated carbon is also provided.