Electronic Parts/Guidelines - infoHouse

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SALVAGE
a quantity of materials, sometimes of
mixed composition, no longer useful in its
present condition or at Its present location,
but capable of being recycled, reused, or
used in other applications. Salvage also
refers io materials recovered after a
calamity, such as materials obtained from
a ship wrecked at sea or a building
destroyed by flre.
SALVAGE
the act of saving or obtaining a secondary
material, be it by pickup, sorting, disassembly,
or some other activity.
SANITARY LANDFILL
a controlled method of disposing of refuse
on land without creating nuisances or
hazards to public health or safety, by utilizing
the principles of engineering to
confine the refuse to the smallest practical
area, to reduce it to the smallest practical
volume and to cover it with a layer of earth
at the conclusion of each day's operation
or at more frequent intervals. The technique
includes careful preparation of the fill
area, control of leachate and a specifled
volume of dirt to be spread over each
volume of trash. (I)
SANITATION
the control of all the factors in man's physical
environment that exercise or can exercise
a deleterious effect on his physical
development, health, and survival. (I)
SCAVENGER
one who illegaliy removes materials at any
point In the solid waste management
system. (7)
SCRAP
I. Any solid trim, cutting or reject material
which may be suitable as feedstock to the
primary operation. lnplant or preconsumer
waste. 2. Discarded or rejected industrial
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waste material often suitable for recycling.
SCREEN
Types:
. ~
ROTARY
an inclined, meshed cylinder that rotates
on its axis and sifts materials placed in
its upper end.
VIBRATING
an inclined screen that is vibrated
mechanically and sifts materials placed
on it.
SCREEN
a surface provided with apertures of
uniform size. A machine provided with one
or more screening surfaces to separate
materials by size.
SCRUBBER
common anti-pollution device that uses a
liquid or slurry spray to remove acid gases
and particulates from municipal waste
combustion facility flue gases. (7)
SECATOR
a separating device that throws mixed
materials onto a rotating shaff heavy and
resilient materials bounce off one side of
the shaft, while light and inelastic materials
land on the other and are cast in the opposite
direction. (2)
SECONDARY MATERIAL
a material that is utilized in place of a
primary, virgin or raw material in manufacturing
a product. Materials which might go
to waste if not collected and processed for
reuse. (I)
SECONDARY PACKAGE
the second layer which contains one or
more primary packages.
SECONDARY PROCESS
where components separated from solid
waste may be further processed to allow
reuse in their original form or used in an
entirely different form. (1)
SECONDARY RECYCLING
the use of a secondary material in an
industrial application other than that in
which the material originated. An example
is the reprocessing of newspapers and old
corrugated boxes into container board for
packaging or into construction paper. (1)
SECONDARY USE
the use of a material in an application
other than that in which it originated;
however, the material is not changed significantly
by processing and retains its
identity. Examples are cotton clothing articles
that are converted into wiping rags by
being washed and cut to size; the use of
steel cans in copper precipitation; and the
Appendix 8. Glossary of Terms 99