Patent · US Active

System and methods for improving natural gas usage in steam methane reformers

US10155661B2 · kind B2 · utility

11Cited by

1References

20Claims

0Family size

Assignee

L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR

Inventors

Taekyu Kang · Newark, US
Swatantra Kumar Shrivastava · Lich, DE
Maik Lehmann · Frankfurt am Main, DE

Key dates

Filing date	Jan 27, 2017
Grant date	Dec 18, 2018
Priority date	—
Expiry date	Jan 31, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/129
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An improved hydrogen generation system and method for using the same are provided. The system includes an HDS unit configured to desulfurize hydrocarbons, a pre-reformer configured to convert heavy hydrocarbons within the process gas stream to methane, a reformer configured to produce a syngas stream and a flue gas, a PSA unit configured to produce a product hydrogen stream and a PSA off-gas stream, and means for cooling the flue gas against a combustion air and the PSA off-gas stream to a temperature below the dew point of sulfuric acid.

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