发明名称 |
A METHOD AND A SYSTEM FOR TREATING LIQUID FLOWS AT A CHEMICAL PULP MILL |
摘要 |
The invention relates to a method for treating liquid flows at a chemical pulp mill. The system comprises a cooking process for producing pulp, at least one washing stage for washing the pulp, at least one bleaching stage for bleaching the pulp, a waste water treatment plant (40), a raw water treatment plant (30), and a wood processing unit (50), and the method comprises conveying at least a portion of low chloride content process waters to the chemical pulp mill in order to be reused as process water. In addition, the invention relates a system for treating liquid flows at a chemical pulp mill and a use of low chloride content process waters at a chemical pulp mill. |
申请公布号 |
WO2013135956(A2) |
申请公布日期 |
2013.09.19 |
申请号 |
WO2013FI50269 |
申请日期 |
2013.03.12 |
申请人 |
UPM-KYMMENE CORPORATION |
发明人 |
VIITIKKO, KATJA;SAARELA, SAMI;VARTIA, TUIJA;FERNANDEZ, VIRGINIA;AGUERREBERE, MARIA JOSE;RISTOLAINEN, MATTI;RIMPINEN, OLLI |
分类号 |
|
主分类号 |
|
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|