COROL Material Impregnated with Saccharine Matter.
Year: 1886

page_text: аци COROL
Material Impregnated with Saccharine Matter.
1:
I ALFRED GEORGE WASS of 122 Raymouth Road Bermondsey in the county of
Surrey Engineer do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascertained
in and by the following statement:
2
Lime and other calcareous material is now very frequently and commonly used
in the filtration of sugar and this lime is so affected by such filtration as speedily
to become unfit for further use and the same is then a refuse material and is almost
if not altogether wasted. Now the object of this my invention is primarily and
chiefly to utilize the lime and other calcareous material so affected as aforesaid and
thus to render the same a valuable instead of a refuse material.
To carry out this primary and chief object I take the lime or other calcareous
material that has been used in the filtration of sugar, and is therefore impregnated
with saccharine matter when the same has become unfit for further use or is in a
somewhat similar condition and if required I may dry and also press the same.
The lime is then placed in any convenient quantity in any usual or suitable
apparatus such for example as a retort or kiln or other similar apparatus to which
a great external heat can be and is applied in any convenient manner for a suitable
period as is hereinafter mentioned without consuming this lime. A revolving
retort or a retort that is capable of revolving upon its longitudinal axis or a retort
of that kind and style that is known as a screw retort is extremely suitable for use
in and with this my invention as in these kinds of retorts the lime is the more
equably treated and the required process is the more speedily and efficiently and
therefore with greater economy performed and effected. The retort or kilo or
other apparatus is fitted with a small aperture or pipe through which the gaseous
and other products evolved and given off from and by the carbonization of the
lime are discharged and a small sight hole capable of being opened can also very
conveniently be fitted thereto through which the said lime can be inspected during
treatment and through which samples can be taken thereout when required to,
ascertain whether sufficient treatment has been given to the said lime which
samples are preferably immediately immersed in water to furnish this required
LD
031
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page_text: information. When the carbonization is only partly effected the material has the
color of umber and as the carbonization proceeds the color of the said material is
deepened and darkened until when the carbonization is completed a very perfect
black is produced. When sufficient carbonization has been effected according to
the color required as aforesaid the carbonized material may be allowed to cool down
in the retort or kiln or other apparatus which would then be tightly closed but
I preferably withdraw the same thereout and I place this carbonized material in an
air tight box or chamber or deposit the same under water or otherwise so treat the
same that the impact of any air thereon is prevented as air has the effect while
this material is hot of taking all or nearly all the color away and leaving the mass
of a gray or neutral tint but when the material is cold or nearly cold the color is
fixed and air will no longer have a prejudicial effect thereon and this carbonized
material can then be ground or be otherwise treated as may be necessary or
desirable to make the same ready for use in and for the purpose or object to which
it is to be applied. This material will be found extremely useful for the body of
blacking or paint or ink or other similar articles and as a disinfectant and as a
fertilizer or manure amongst many other purposes and objects.
When a light colored article is required it is obvious that the material can be
withdrawn from the retort or other apparatus or allowed to cool down therein at
an early period in the carbonization and after being treated as aforesaid the
material may be mixed with such pigments or other matter as will produce the
exact color or shade.required.
I would state that I have found the following method of treatment very
successful. I place one hundredweight of the lime that has been used as herein-
before described in the filtration of cane sugar in a revolving retort and I subject
the same to an heat of about 600° Fahrenheit for about two hours when an umber
or light brown color is obtained in about another two hours a dark brown color is
obtained and then I preferably increase the heat to about 900° Fahrenheit and in
about two hours the carbonization is completed and the perfect black aforesaid is
produced. I can also subject the material to an heat of about 900° Fahrenheit
from the first in which case I should produce the perfect black in a shorter time.
In screw retorts also these times aforesaid would be somewhat reduced as the.
carbonization is effected therein at a quicker rate while in fixed retorts or in kilns
or other similar apparatus these times aforesaid would be somewhat enlarged as the
carbonization is effected therein at a alower rate and the durations of treatment
would also somewhat depend on the variations if any of the quality of the material
as also on the condition or style or form of the fire or other source of heat as well
as on the degree of heat produced by the same.
This carbonized material is also very suitable for filtering purposes and may be
used in this manner with water oil sugar and many other liquids or substances in a
liquid state. For these purposes it is obvious that color is not a great desideratum
and the carbonized material can be used just as it comes out of the retort or kiln
or other apparatus in which stage large lumps or blocks will oftentimes be found
and when it is intended that the filtering material shall entirely fill the chamber in
which it is to be placed this material need not be mixed with any other substance
but if it is desired that separate blocks only shall be placed in the said chamber
I preferably mix with the carbonized material a small proportion of ferriferous
clay or other similar substance and when the whole mass is ground small it is baked
and thus formed into the blocks required which blocks will then not be disin-
tegrated by the liquid in which the same are immersed.
When this carbonized material however is produced in manner aforesaid from
the lime that has been used as hereinbefore described in the filtration of beet sugar
the extreme durations of such carbonizations as aforesaid are not in all cases
absolutely required and the material can very suitably be used for filtering or
clarifying shale or mineral or other oils in and for which purpose the same is
extremely efficient and effective and the material itself is rendered very dark by
the action of such vils,

page_text: I have thus described my invention as utilizing the lime and other calcareous
material that has been used in the filtration of sugar but it is sufficiently obvious
that I can impregnate this lime and other calcareous material with the saccharine
matter as is required in any usual or convenient manner as I may desire and this
lime and other calcareous material so purposely impregnated with the saccharine.
matter would be treated and used as is hereinbefore described.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is
The treatment of lime and other calcareous material impregnated with saccharine
matter as hereinbefore specified with a view to the utilization of the saine substan-
tially as and for the purposes hereinbefore described and declared.