C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
39/1, 53/282
C22B 15/14 (2006.01) C22B 15/00 (2006.01) F27B 19/00 (2006.01)
Patent
CA 1192411
ABSTRACT OF THE DISCLOSURE A copper refining plant is provided with a refining furnace for the refining of converter copper. According to the invention, a suction blower is operated to place the furnace under an underpressure of 5 to 20 mm H2O and the gases, substantially free from outside air, are drawn through a raw gas duct where they are sprayed with a scrubbing solution, e.g. aqueous sodium hydroxide, are then passed through a differential pressure scrubber and are drawn by the suction blower thereto to the stack. The differential pressure scrubber and the blower are controlled to maintain a subatmospheric pressure but such that foreign air is not introduced into the gas.
406328
Finger Gunther
Niess Theodor
Przybylla Heribert
Borden Ladner Gervais Llp
Erpo S.a.
Gottfried Bischoff Bau Kompl. Gasreinigungs- Und Wasserruckkuhla
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