Patent · US Active

Process for producing ammonia synthesis gas

US9950928B2 · kind B2 · utility

0Cited by

1References

16Claims

0Family size

Assignee

Casale SA · CH

Inventors

Ermanno Filippi · Castagnola, CH
Raffaele Ostuni · Lugano, CH

Key dates

Filing date	Dec 16, 2014
Grant date	Apr 24, 2018
Priority date	—
Expiry date	Dec 16, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/52
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process and a related equipment for producing ammonia synthesis gas from a hydrocarbon-containing feedstock (20), the process comprising the steps of: primary reforming with steam (21), secondary reforming with an oxidant stream (23), and purification of the effluent of said secondary reforming, said purification comprising a step of shift conversion (13) of carbon monoxide, wherein the synthesis gas (25) produced by said secondary reforming is subject to a medium-temperature shift over a copper-based catalyst, and the global steam to carbon ratio of the process is not greater than 2.

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