Patent · US Active

Apparatus for treating a waste stream

US8906230B2 · kind B2 · utility

1Cited by
0References
9Claims
0Family size

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Key dates

Filing dateSep 18, 2012
Grant dateDec 9, 2014
Priority date
Expiry dateMar 3, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2209/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An integrated unit operations for the treatment of a waste stream, such as spent caustic, is provided in a single vertical vessel having at least three separate zones: a mixing, a settling, and a mass transfer zone.

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