Patent · US Expired

Start-up method for ammonia plants

US4728506A · kind A · utility

7Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1986
Grant dateMar 1, 1988
Priority date
Expiry dateMay 16, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Low energy start-up procedure for ammonia plants which employs ammonia as the start-up media, thereby avoiding the BTU loss associated with venting unconverted hydrocarbons and the threat to catalyst beds associated with rapid buildup of temperatures therein.

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