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:
May. 31, 2022
Filed:
Jul. 30, 2019
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Md. Abdul Aziz, Dhahran, SA;
Shakhawat Hossain Chowdhury, Dhahran, SA;
Mohammad Abu Jafar Mazumder, Dhahran, SA;
Md Imran Rahman Chowdhury, Dhahran, SA;
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran, SA;
Abstract
Jute stick/stalk can be used to prepared and carboxylated to yield useful activated carbons, e.g., for removing Pbfrom drinking water. Such activated carbons can act as an inexpensive adsorbents using agricultural waste or by-products. Carboxylation of jute stick activated carbon (JSAC) can improve its efficiency for Pbremoval, e.g., from aqueous solutions, even if its BET surface area is reduced. Carboxylated JSAC (JSAC-COO) can have surface areas around 615.3±0.5, 1, 2.5, 5, 10, 15, 20, or 25 m/g. JSAC-COOcan treat varied Pbconcentrations, 10, 25 mg/L, etc., pHs, e.g., 4.0, 7.0, etc., temperatures, e.g., 15° C., 27° C., etc., and contact periods, e.g., 1, 5, 10, 15, 30, 60 minutes, etc., achieving up to 99.8% Pbremoval within 15 minutes of contact JSAC-COOadsorption capacity can be >25.0 mg Pb/g, as well as other metal ions, with potential for water and/or gas treatment.