Bleaching batch

As a bleaching assistant for continuous and batch bleaching, BURCO C3F withstands the alkaline conditions of the chlorine, chlorite or peroxygen bleaching systems, leaving goods absorbent, soft, and oil and wax free. It is a fast wetter under all conditions. 

Several bleaching processes have been developed over the years to limit the consumption of bleaching earth. Figure 4.7 shows the flow sheet of a double-batch bleaching process. This is by far the oldest bleaching method, still in use in many refining plants [4]. 

Figure 4.7 Flow sheet of a double batch bleaching process with acid pretreatment. (Source Courtesy of DeSmet Group, Antwerp, Belgium.)...

A comparison of typical bleaching recipes of cotton fabric for batch bleaching in different equipment with hydrogen peroxide is summerised in Table 7.1. When making-up a bleaching bath, naturally the quality of cotton, degree of pre-treatment, liquor ratio, equipment used and temperature must all be taken into account. 

Uses One-step scouring agent replacing surfactant, defoamer, chelate, and stabilizer in batch bleaching and scouring for woven, knit or yarn cellulosics (cotton. 

---