The paper is to study the TCF bleaching of high-yield chemical pulp of NS-AQ aspen (digester yield 63.7%, Kappa number 37.3, brightness 50.0%ISO,intrinsic visco
The influences of bleaching additives on hypochlorite single-stage high temperature fast bleaching of neutral-sulfite reed pulp were studied. The influencing fa
Cationic polyacrylamide (CPAM), used as a retention and drainage aid in paper industry, has received much attention. As the white water system becomes more clos
In this investigation, basalt mineral fiber softening agent was prepared in order to obtain desirable flexible performance. Stability and physical chemistry nat