Title:
カルシウム塩スケールの抑制方法
Document Type and Number:
Japanese Patent JP4204459
Kind Code:
B2
Abstract:
Compositions and method for improving inhibition of calcium salt scale formation under the conditions found in chemical pulp processes in which an effective amount of selected phosphonates or phosphonate blends is admixed with the aqueous digester composition in a chemical pulping process during the digestion stage. The compositions and method are especially well suited for use in the Kraft pulping process.
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Inventors:
Thompson, Jacob Owen
Beretto, Cieldan Filip
Severson, Stephen Jiyoung
Roy, The Jeremy Yee
Beretto, Cieldan Filip
Severson, Stephen Jiyoung
Roy, The Jeremy Yee
Application Number:
JP2003501797A
Publication Date:
January 07, 2009
Filing Date:
June 05, 2002
Export Citation:
Assignee:
Thermofus Trading Gaming Be Her
International Classes:
C02F5/00; D21C3/00; C02F5/12; C02F5/14; C09K3/00; D21C3/22
Domestic Patent References:
| JP63264991A | ||||
| JP9158074A | ||||
| JP2104788A | ||||
| JP61097491A | ||||
| JP4126885A | ||||
| JP1139887A | ||||
| JP8246374A | ||||
| JP7016597A | ||||
| JP52065185A | ||||
| JP3258794A | ||||
| JP48039348B1 | ||||
| JP3260190A | ||||
| JP8224595A | ||||
| JP61075892A | ||||
| JP2002105891A | ||||
| JP2004528182A |
Attorney, Agent or Firm:
Yoshio Kawaguchi
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura
Makoto Ono
Chihiro Watanabe
Kenkyo Kanayama
Katsuma Osaki
Mitsuaki Tsubokura