发明名称 |
ENHANCEMENT OF SHEET DEWATERING USING SOY FLOUR OR SOY PROTEIN |
摘要 |
Methods and compositions for improving dewatering efficiency during a papermaking or pulp drying process are disclosed. The methods can include a step of adding a dewatering agent solution to a location on a paper machine or pulp drying machine. The dewatering agent solution can include a soy based component. The soy based component can be soy flour or soy protein. The dewatering agent solution can be added to a wet end location of the pulp drying machine or paper machine or it can be sprayed onto a paper sheet prior to entering the press section of a paper machine. Additional dewatering agent solutions can also be added. The additional dewatering agent solutions can include cationic polymers or surfactants. |
申请公布号 |
EP3019660(A1) |
申请公布日期 |
2016.05.18 |
申请号 |
EP20140822411 |
申请日期 |
2014.07.08 |
申请人 |
ECOLAB USA INC. |
发明人 |
DUGGIRALA, PRASAD;CHENG, WEIGUO;PACE, LUIZ W. |
分类号 |
D21H21/10;D21F1/66;D21H17/22;D21H21/24 |
主分类号 |
D21H21/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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