Invention Application
- Patent Title: Method for Nitrogen Removal and Nitrogen Salts Recovery Using Carboxylated Cellulose Extracted by Nitro-oxidation
-
Application No.: US18891727Application Date: 2024-09-20
-
Publication No.: US20250019264A1Publication Date: 2025-01-16
- Inventor: Benjamin S. HSIAO , Priyanka SHARMA , Sunil Kumar SHARMA , Ken I. JOHNSON
- Applicant: The Research Foundation for The State University of New York
- Applicant Address: US NY Albany
- Assignee: The Research Foundation for The State University of New York
- Current Assignee: The Research Foundation for The State University of New York
- Current Assignee Address: US NY Albany
- Main IPC: C02F1/28
- IPC: C02F1/28 ; B01J20/24 ; B01J20/28 ; C02F101/16 ; C05F7/00
Abstract:
A method of treating contaminated water, such as wastewater, with carboxylated cellulose to remove ammonium and nitrogen-containing impurities is claimed. Carboxylated cellulose extracted by nitro-oxidation has negatively-charged functionality and forms an aggregate when exposed to positively-charged impurities in contaminated water. The aggregate, nitrogen-containing impurities, and by-products from the nitro-oxidation process can be isolated to provide a fertilizer or fertilizer component.
Information query
