Gas separation: processes – Degasification of liquid – Plural successive degassing treatments
Reexamination Certificate
2007-05-08
2007-05-08
Smith, Duane (Department: 1724)
Gas separation: processes
Degasification of liquid
Plural successive degassing treatments
C095S261000, C096S195000, C096S209000, C210S512200, C209S728000, C209S732000
Reexamination Certificate
active
10838220
ABSTRACT:
Plant and process for cleaning and degassing a fibrous suspension. The plant includes a plurality of hydrocyclones, in which each hydrocyclone includes an intake connection, an accepts connection, and a rejects connection and at least two supply lines for feeding liquids into the plurality of hydrocyclones. At least two accepts lines, coupled to the accepts connections of the plurality of hydrocyclones, are structured and arranged to combine liquids cleaned of contaminants in the plurality of hydrocyclones, and at least one accepts draining pipe coupled to the at least two accepts lines is structured and arranged to open directly into a further line downstream. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
REFERENCES:
patent: 3206917 (1965-09-01), Kaiser et al.
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patent: 2003/0015304 (2003-01-01), Beuermann
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patent: 1273697 (2003-01-01), None
Greenblum & Bernstein, P.l.C.
Smith Duane
Theisen Douglas J.
Voith Paper Patent GmbH
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