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The
Piston
Separation
Device
(PSD)
has an enormous commercial potential in the:
a) treatment of water, trade wastewater and sewage; and
b) dewatering of sludge.
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Systems based on the PSD may be used for any water/wastewater for which
an effective chemical treatment (precipitation, breaking of emulsion,
coagulation, flocculation) is available. With the broad range of
currently available water treatment chemicals (polymers), the list of
applications is virtually unlimited. Some examples of PSD application
are removal of: |
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1 |
dissolved substances; |
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2 |
suspended solids; |
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3 |
emulsified oils; and |
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4 |
colour |
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from trade wastewater
and from water being prepared for drinking and/or industrial purposes. |
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Suggestions for PSD
applications include: |
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removal of metal
oxides (suspended solids) from water used during the submerged metal
plasma cutting; |
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treatment of
wastewater from poultry farming and small abattoirs; |
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treatment of
wastewater from metal platers and pine strippers; |
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treatment of
wastewater from printing (removal of ink) and photographic industry; |
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on-site wastewater
treatment for small businesses with a PSD unit installed on a truck
(mobile unit); and |
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dewatering of sludge. |
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The applications of the PSD appear to be unlimited, but the most
important is that the PSD fits the part of the market where conventional
(existing) technology tends to be not cost-effective for relatively
small flow rates of water and/or wastewater (a few cubic metres per
hour). For many small businesses, the existing technology is impractical
because of the required space, high cost of installation and operation,
and complicity of operation. |
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