Patent · US Active

Packed tower

US9227845B2 · kind B2 · utility

0Cited by

9References

12Claims

0Family size

Assignee

Outotec Oyj · FI

Inventors

Karl-Heinz Daum · Mainz, DE
Wolfram Schalk · Bad Homburg vor der Höhe, DE

Key dates

Filing date	Aug 30, 2012
Grant date	Jan 5, 2016
Priority date	—
Expiry date	Jan 24, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2208/00884
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A packed tower for the absorption of water or SO3 in sulfuric acid includes a jacket and a domed grid disposed within the jacket. The domed grid is held on an L-shaped ring such that a gap is formed between an outside diameter of the domed grid and the jacket. A bed of packings is held on the domed grid through which the sulfuric acid charged from above trickles. A gas supply tube is disposed in a lower region of the tower. A gas outlet is disposed above the bed. An acid outlet is disposed in the lower region of the tower.

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