Patent · US Active

Process for the synthesis of ammonia

US11261099B2 · kind B2 · utility

0Cited by

5References

7Claims

0Family size

Assignee

Casale SA · CH

Inventor

Sergio Panza · Como, IT

Key dates

Filing date	Sep 26, 2017
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Sep 26, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01C1/0488
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A dual pressure process for the synthesis of ammonia from a make-up gas, wherein the make-up gas is reacted in two steps in series, the second step operating at a greater pressure than the first step, and wherein a portion of the effluent of the first step is recycled back to the first step, said portion containing unreacted make-up gas.

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