Patent · US Expired

Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio

US6345811B1 · kind B1 · utility

4Cited by
6References
25Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 27, 1999
Grant dateFeb 12, 2002
Priority date
Expiry dateDec 27, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2219/3325
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A vapor-liquid contacting tower having a tray deck, at least one downcomer and a structure packing layer in the space under the vapor-liquid bubble contacting tray wherein the tray deck has an opening such that vapor ascends upward through the opening to come into contact with the liquid flowing across the tray deck to form a froth in which the vapor and the liquid on the tray deck creates cross-flow bubble contact and with the structural dimensions of the tray deck and downcomer providing for at least 90 vol % of the total liquid flowing across the tray deck flows downwardly through the downcomer to the adjacent deck.

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