| 发明名称 | Prevention of starch degradation in pulp, paper or board making processes using zinc ions and an oxidizing biocide | ||
| 摘要 | The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes. | ||
| 申请公布号 | US9278874(B2) | 申请公布日期 | 2016.03.08 |
| 申请号 | US201214348070 | 申请日期 | 2012.09.28 |
| 申请人 | KEMIRA OYJ | 发明人 | Kolari Marko;Ekman Jaakko;Ikävalko Satu |
| 分类号 | A01N25/02;C02F1/50;A01N65/00;A61Q17/00;A01N59/16;D21H21/36;C02F103/28 | 主分类号 | A01N25/02 |
| 代理机构 | Thomas Horstemeyer, LLP | 代理人 | Thomas Horstemeyer, LLP |
| 主权项 | 1. A method of controlling starch degradation in starch-containing process water from pulp, paper or board production, comprising: treating the process water with zinc ions and a biocide, wherein the zinc ions and the biocide is an oxidizing biocide. | ||
| 地址 | Helsinki FI | ||