Table 3 Average Composition of Raw Wool

Component_%

Fiber, protein 58

Wool-fat, lanolin, waxes 14 Soil, plant material (cellulose) 13

Sweat/salt, water soluble 5

Humidity_JO

Sweat/salt, water soluble 5

Humidity_JO

Figure 4 General scheme for the treatment of effluents from wool washing (from Refs 11-13).

distinct washing properties for raw wool and thus a certain content of dissolved sweat is favorable to improve the washing effect.

Various treatment concepts have been presented in the literature [11-13]. Besides the release of the pre-treated wastewater into the CWWT and aerobic biodegradation, in some cases evaporation of the wastewater and incineration of the residue are performed.

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