D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 11/10 (2006.01) D21C 11/00 (2006.01)
Patent
CA 2159856
Method of reducing scaling of heat transfer surfaces in an evaporation plant of a sulphate cellulose mill when sulphate cellulose is manufactured. In the method, ash to be fed into black liquor is mixed thereto after soap separation when the dry solids content of the black liquor is so low that sodium sulphate and other soluble salts contained in the ash dissolve in the black liquor completely.
Kaila Jarmo
Knuutila Matti
Rikkinen Jouko
Vaistomaa Jukka
Gowling Lafleur Henderson Llp
Kvaerner Power Oy
Tampella Power Oy
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