Patent · US Active

Exhaust gas treatment system

US12325003B2 · kind B2 · utility

0Cited by
0References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 2021
Grant dateJun 10, 2025
Priority date
Expiry dateOct 23, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to an exhaust system for the treatment of an exhaust gas comprising ammonia in an amount of up to 250 ppm, the system comprising: an exhaust gas inlet; an ammonia storage material arranged to receive an exhaust gas from the exhaust gas inlet; an ammonia oxidation catalyst arranged downstream of a selected portion of the ammonia storage material; and a heating device for heating gas before it passes through the selected portion of the ammonia storage material to release ammonia stored therein for treatment on the ammonia oxidation catalyst, wherein the system is configured so that the selected portion of the ammonia storage material changes over time. The invention further relates to a livestock house comprising the exhaust system and a method of treating an ammonia-containing gas.

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