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RDF/RPF Plant Overview |
Plants producing refuse-derived fuel (RDF) and
recycled plastic fuel (RPF) turn flammable waste into pellets for
use as fuel. Flammable waste is transformed
into cylindrical pellets
through a process of sorting, drying, and pelletization. The following
features of fuel pellets make them a promising application for recycled
waste.
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Heating power comparable to that of coal |
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Stable combustion nearly on par with coal |
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Because the pellets have a uniform shape and
are durable, they can be stored for long periods and are easy to
transport |
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RDF Process Flow Chart |
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Tahara Public RDF Plant
(Aichi Prefecture, built in 1987) |
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Main Features |
| 1. |
Conducts high-precision sorting
Before drying, a ballistic sorter performs
high-precision sorting of heavy materials, light materials, and debris.
After drying, dirt and debris are eliminated. |
| 2. |
Reduces the amount of residual waste
Because of the high-precision sorting, there is little residual waste
left inside the RDF/RPF plant, making it possible to reduce landfill
volume. |
| 3. |
Produces uniform, durable pellets
By first finely crushing the flammable waste materials and then using
a ring-die pelleting machine, it is possible to produce refused-derived
fuel pellets of a uniform shape, which are crumble-resistant and highly
durable. |
| 4. |
Reduces odors
Odors are effectively minimized by drying the flammable waste until
the moisture content accounts for less than 10% of total weight. |
| 5. |
Can be used to produce both RDF and RPF
In addition to producing refused-derived fuel, this system can also
be used to process plastics into recycled plastic fuel. |
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