Patent · US Active

Ammonia gas generator and use of the same for reducing nitrogen oxides in exhaust gases

US9687783B2 · kind B2 · utility

0Cited by

3References

26Claims

0Family size

Assignee

ALZCHEM AG · DE

Inventors

Christian Gerhart · Siegsdorf, DE
Henning Middelmann · Herdecke, DE

Key dates

Filing date	Dec 19, 2013
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Dec 19, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Ammonia gas generator for producing ammonia from a solution of an ammonia precursor substance comprising a catalyst unit, which comprises a catalyst for the decomposition and/or hydrolysis of ammonia precursor substances into ammonia and a mixing chamber arranged upstream of the catalyst, an injection device for introducing the solution of the ammonia precursor substance into the mixing chamber, and an outlet for the ammonia gas formed, wherein the injection device comprises a nozzle which produces droplets having a Sauter mean diameter D32 of 26 to 100 μm.

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