People are getting more aware of the importance of
recycling. In many countries, government and non-government bodies are
campaigning for the recycling of the mountains of waste that modern living
generates.
It is heartening to note that many households are
turning their kitchen waste into compost. This practice involves a simple process
that recycles uneaten food into fertiliser.
Recently, a lightweight machine was developed by the
Japanese for the instant composting of household waste products. It is the size
of an average waste bin. It comes fitted with electrical components that enable
it to turn kitchen and garden waste into crumbly, dry fertiliser. This is done
with the help of a special composting substance available in stores selling the
electrical compost bin. When the bin is full, it is switched on and within
minutes, it has recycled its contents.
While domestic scale composting has become common in
many households, the agricultural community is coming up with more efficient
ways to recycle their waste products. In Taiwan, a new system of composting has
been developed by farmers. This system recycles almost every item of waste
produced.
Firstly, farm waste products in their mixed solid
and liquid form are collected in a large vessel. This vessel is connected to a
chute along which the waste products are channeled into a large container
called the separator.
The separator has two large pipes attached to it. The function of the separator
is the important one of sorting the solid waste from the liquid. This
highly-automated machine squeezes the waste matter until it is almost 80% dry.
After this has been accomplished, it pushes the solid material down the
vertical pipe on its right while directing the liquid waste through the
horizontal pipe on its left.
After going down the vertical pipe, the solid waste
material goes through its final stage of processing. It is collected in large
cylindrical containers. These containers are made of a porous material that
acts with the contents to produce a final product that is peaty, dry and
crumbly in texture. It is now in a completely biodegradable form and is re-used
as fertiliser.
The liquid waste is collected in barrels. At this
stage of the process, the liquid waste contains less than 20% of solid
particles. This is a measure of the efficiency of the machine in separating the
solid from the liquid waste matter. The end-product of the liquid waste is
further refined for farming purposes. In its refined form it can be used in
animal feed and for irrigation purposes.
This machine has attracted the attention of many
parties in the agricultural sector of the country. Farmers find it easy to
manage and economical. They can safely re-introduce farm waste products into
the soil.
Summary: Farm waste in mixed solid and liquid form is first
collected in a large vessel. From there it goes through a chute into an automated
separating machine with two pipes attached to it Here the solid waste is
separated from the liquid and squeezed dry. Then it is transported through the
vertical pipe and collected in special cylinders. Finally it is transformed in
these cylinders into good quality fertiliser. Meanwhile the liquid waste goes
through the the pipe and is collected in barrels after which it is further
refined. It is then used to feed animals and water the farm.
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