Utilization of waste lime pulp.

Pulp or sludge left over in the clarification
of lime juice, for cordial
making, has under conditions existing
in the factories in India, been found to
contain 0.8 to 4.0 per cent lime oil.
This has been recovered quanti.tatively,
by steam distillation. Besides the oil,
juice corresponding to about 70 to 77
per cent of the total citric acid present
in the pulp, can be easily recovered
partly before and partly after the distillation.
The oil has been found to be
quite suitable for use as a flavouring
material and the citric acid liquors for
use in the preparation of lime squash
and cordial as well as citric acid and
citrates.