Patent · US Active

Compositions and methods for removing ammonia from gas

US10981145B2 · kind B2 · utility

0Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 18, 2019
Grant dateApr 20, 2021
Priority date
Expiry dateJul 22, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2220/485
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed herein are methods of controlling the amount of carboxyl groups attached to a hydrochar, the methods including subjecting a composition that includes a stover composition to hydrothermal carbonization to form a hydrochar, wherein the amount of carboxyl groups attached to the hydrochar can be controlled by the amount of lipids in the composition. Methods of removing ammonia from a gas using disclosed hydrochars and the hydrochars themselves are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.