Abstract
The effect of various factors on the centrifugal recovery of wool wax from aqueous scouring liquors has been investigated. Recovery, which depends on the extent of oxidation of the wax, is greater from the scouring of base portions of fleece (58·8% recovery) than from tip portions of fleece (21·1% recovery). Liquors from lambs, locks and crutchings wools give greater wax recoveries than do fleece wools. Generally, size-distribution analyses of the disperse phase show that the large drops in liquors are not preferentially recovered. It is concluded that variations in the ratio of wax water amphiphile in the drops control recovery of wax by influencing the density difference between the drops and continuous aqueous phase. Although there are no significant differences in the size distributions of the disperse phases of liquors with soap concentrations ranging from 0·1% to 0·6%. recoveries of wax from the liquors fall from 43·1% to 23·9%. Storage of liquors has little effect on recovery, although there is a c...
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