公开(公告)号：US20240132377A1

公开(公告)日：2024-04-25

申请号：US18333161

申请日：2023-06-12

Applicant: U.S. Environmental Protection Agency

Inventor： Mallikarjuna Nadagouda

IPC: C02F1/28 ,  B01J20/04 ,  B01J20/08 ,  B01J20/28

CPC classification number: C02F1/281 ,  B01J20/043 ,  B01J20/08 ,  B01J20/28019 ,  B01J20/2803 ,  B01J20/28059 ,  C02F2101/105

Abstract: High surface area activated alumina and magnesium carbonate structures are used to adsorb aqueous phosphate and ammonia for recovery and repurposing as a fertilizer. A binder is utilized to aid in the formation of useful structures and to increase porosity and the available surface area for adsorption upon calcining.

公开(公告)号：US10189708B2

公开(公告)日：2019-01-29

申请号：US15240396

申请日：2016-08-18

Applicant: The United States of America as Represented by the Administrator of the U.S. Environmental Protection Agency

Inventor： Rajender S. Varma ,  Nasir Baig ,  Mallikarjuna Nadagouda

IPC: B01J19/12 ,  C01B3/04 ,  B01J23/44 ,  B01J23/46 ,  B01J31/06 ,  B01J35/00 ,  B01J37/00 ,  B01J37/02 ,  B01J37/03 ,  C01B13/02 ,  B01J23/745 ,  C07C209/36 ,  C07C211/52

Abstract: A process and catalyst for the in situ generation of hydrogen via the microwave irradiation of a ruthenium chitosan composite catalyst has enabled the convenient reduction of nitro compounds in aqueous medium.