Method for cleaning tar-bearing waste water and apparatus...

Details Method for cleaning tar-bearing waste water and apparatus... Method for cleaning tar-bearing waste water and apparatus...

2008-07-08

2008-07-08

Caldarola, Glenn (Department: 1797)

Liquid purification or separation

With gas-liquid surface contact means

With separator

C210S909000, C422S187000

Reexamination Certificate

active

07396454

ABSTRACT:
In a method and an apparatus for cleaning tar-bearing waste water (17), a mixture of water and hydrocarbons, e.g. comprising polyaromatic hydrocarbons and phenols, the mixture is separated into a low-boiling-point part and a high-boiling-point part, bringing the low-boiling-point part on vapour form in a boiler (1), and the low-boiling-point part is cracked in vapour form at a high temperature in a reactor (2), providing light combustible gases, which can be utilised in e.g. gas engines, gas turbines or the like. Furthermore, the high-boiling-point part may be used for energy supply to the process or other processes or as an alternative be cracked for providing light combustible gases.

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patent: 3926538 (1991-02-01), None
Baker et al., Steam Gasification of Biomass with Nickel Secondary Catalysts, 26 Ind. Eng. Chem. Res 1335-1339 (1987).
Krämer, Heterogen katalysierte Partialoxidationen in Überkritischem Wasser, Technical University of Darmstadt (Mar. 2001), available at http://elib.tu-darmstadt.de/diss/000107/.

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