Dedicated Chitosan for Papermaking
Chitosan can be very helpful natural papermaking chemicals in the following aspects
• Retention Aid
• Sizing Agent
• Effectively enhance the retention of fiber fines and padding; reduce the pulp consumption and costs • Increase physical intensity of paper • Improve paper appearance quality: higher smoothness, lower double-sided differs, higher evenness and whiteness
• Effectively reduce the thickness and COD of white water • Improve water filtration effect, decrease breakage, and prolong service time of coarse calico; eliminate scaling from pulp chest and headbox, so that the paper machine works properly
• It can be mixed into waste mortar and dry pulp residue after waste water treatment for papermaking, which could make the wastes into recycle use for other purposes.