| abstract |
This invention describes a kind of manufacture method of Paper or cardboard, before being formed at paper, the composition comprising enzyme and cationic coagulant is applied to paper making pulp preferably to improve draining, to keep or both.The ply of paper using the method to make Paper or cardboard product can show the drainage of the excellence of paper pulp fines, excellent retention or both.The method also can be applied to other pulp processing, such as wastewater treatment.Present invention also offers the system for the treatment of paper like this batching. |