Millions from WasteTalbot, Frederick Arthur Ambrose
Philosophy
Millions from Waste
Talbot, Frederick Arthur Ambrose
Salvage (Waste, etc.); Waste products
A special type of machine has been evolved whereby the tops and bottoms
of the bright recovered tins can be cut off. The resultant cylinder is
then cut through on either side of the original seam, and the sheet
pressed out to form a flat plate. The eliminated joint, of course, is
set on one side to be treated for the recovery of the solder, while the
small pieces of tin find their way to the scrap-metal bin. The sheets
of bright tin which are thus recovered, and which are quite equal to
new tin-plate, command a ready sale, because they can be restamped into
smaller flat tins for packing boot polishes and similar commodities
extensively retailed in this form. The process is simple, rapid, and
can be made profitable.
Rusted tins require to be treated in a different manner. Some
corporations merely crush them flat to facilitate and to cheapen
transport, selling them in bulk to firms who specialize in the handling
of such product. However, it is a matter for investigation, when such
tins are recoverable from the garbage in appreciable quantities, as to
whether it would not prove more remunerative to the local authorities
to deal with the tins themselves. A furnace is required to burn off the
tin-dirt and to recover the solder. The tin itself, representing about
1 per cent., is lost, although there are processes in operation for its
reclamation. The receptacles may then be crushed and baled into billets
for which an hydraulic press is necessary. A plant capable of making
a bale measuring 24 × 14 × 6 inches is well-adapted to this duty. The
solder is in demand, while the plate is worth from £3--$15--upwards
per ton as scrap metal. At this figure the local authorities would
undoubtedly find it far more profitable to incur the extra expense and
labour involved to prepare the billets rather than to dispose of the
tins in their crude form. When the quantity is heavy direct sale to
the steel-works is possible and the middleman’s profit diverted to the
benefit of the ratepayers.
Paper should also be baled for reasons of transport. Either hand or
power appliances may be used, but unless the quantity likely to be
handled is pronounced, the hand-operated machine will be found adequate
for the task. Of course, it must be admitted that, to-day, prices for
the recovered materials rule somewhat high. Consequently it may be
averred by critics that, whereas such auxiliaries might be perfectly
justifiable under conditions such as now prevail, they would fail to
show an equally satisfactory result in normal circumstances.
Public-domain text, read in full here on John Shaqi.
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