发明名称 |
Menetelmä ligniinin poistamiseksi vedestä |
摘要 |
The invention relates to a method for removing lignin from an aqueous solution. It is accomplished by adding a calcium compound and an aluminium compound to said solution. Said calcium compound is preferably calcium chloride and said aluminium compound is preferably a polymeric aluminium hydroxide salt.
|
申请公布号 |
FI117507(B) |
申请公布日期 |
2006.11.15 |
申请号 |
FI20040000967 |
申请日期 |
2004.07.09 |
申请人 |
KEMIRA OYJ, |
发明人 |
PALONEN,HEIKKI;PALONIEMI,ARJA;TAITTONEN,REETTA;ROUSU,PAEIVI |
分类号 |
C07G1/00;C02F;C02F1/52;C02F103/28;D21C9/10 |
主分类号 |
C07G1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|