Bleaching Earth, also
known as activated bleaching earth, activated bleaching
clay, bleaching clay, activated clay or fullers
earth.
It is manufactured by
acid activation of calcium bentonite, showing a fine,
grayish-white powder, having a highly porous inner
structure and a multitude of acid sites upon its
surface.
It is very suitable for
removal of aflatoxin, carotinoids, phospholipids and
peroxides, pesticide residue, via chemisorption and acid
catalysis.With its strong absorbing, bleaching and
decolorizing properties, bleaching earth is highly used in
a wide scope of applications such as refining vegetable and
animal oils and fats, moreover for finishing and/or
reprocessing numerous types of mineral oils, paraffin and
waxes. It can be also used as the clarifier of the grape
wine and fruit juice, and as a stabilizer of the treatment
of the beer.Besides the above, it is widely used to filter
the impurities from petroleum products and as a lubricant
for drilling oil.
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