Patent · US Active

Process and device for treating a waste lye

US11834356B2 · kind B2 · utility

0Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 2019
Grant dateDec 5, 2023
Priority date
Expiry dateDec 13, 2039

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2303/08
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

The invention relates to a process for treating a waste lye of a lye scrub using an oxidation reactor (100), the waste lye and oxygen or an oxygen-containing gas mixture being introduced into the oxidation reactor (100) and steam being introduced into the oxidation reactor (100). It is provided that the steam is at least partially introduced by means of a steam feeding device (10), which has a cylindrical section (11) with a centre axis (12) and a wall (13), the centre axis (12) being aligned perpendicularly, a number of groups of openings (14) being formed in the wall, each of the groups comprising a number of the openings (14), and the number of openings (14) of each of the groups being arranged in one or more planes (15) that is or are in each case aligned perpendicularly to the centre axis (12). A corresponding installation and also a corresponding oxidation reactor (100) are likewise the subject of the present invention.

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