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Compared with other methods of treatment the STERIFANT system guaran-
tees effective destruction of all germs, even in closed and hollow containers, such as glass bottles or very small diameter tubing (e.g. Intraven-ous, or needles) |
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To see more, please click the thumbnails.
 The treatment
The shredder
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The STERIFANT 90/4 system is contained in a truck mountable unit that can be dismountable to form a self contained static unit.
The STERIFANT reusable bins form part of the system. The disinfecting process takes place in these on purpose designed patented bins.
The treatment
Prior to the beginning of treatment, 10 bins are placed on the retractable platform of the unit.
At the touch of a button, the platform is retracted inside the sealed treatment chamber.
Each of the bins is automatically connected to the sealed system of the unit.
The cycle begins with 10 hollow needles (cannulae) being lowered into the lids of the containers puncturing
the "bung" seal of the lids. A washer around the hollow needles then forms a pressure seal, connecting each of the
10 bins to the system for treatment to start.
At the start of the treatment cycle, 2 litres of water and steam at 140º C are injected through
the hollow needles into each of the bins. The system's nine microwave generators are then activated, heating the contents
of the bins to a temperature in excess of 105º C, which is maintained, causing a saturated steam atmosphere.
The unit's effectiveness is further increased by creating first, a vacuumed and then a pressured atmosphere within each of
the bins (similar to a breathing action). The result is that the saturated steam atmosphere ensures complete penetration,
disinfecting the bins’ content.
At the end of the cycle, the treatment chamber of the unit opens automatically and the bins can be opened without any risk
of infection. The bins are then transferred to the integral shredder, located at the side of the unit,
in order to shredder their content.
The integral shredder
The shredder, which was designed and developed by STERIFANT specially for the shredding of health care and hospital waste,
can deal effectively with items such as synthetic materials, plastics, bandages, all types of textiles, limb, bone, metal
syringes, needles, lancets, scalpels, bone screws, nails and glass bottles. The automatic arm lifts the bin and empties the
contents into the shredder.
After being finely shredded, the waste is compacted at 80 bars pressure, any liquid present is drawn off and put into a
container under the shredder. Sterile liquid from the compacting of the waste is drawn off to a separate tank.
This contains only biodegradable residual substances and can be discharged to the local effluent
treatment works, under permit, (sent to the sewage system if permitted) or disposed of by alternative means if required.
The sterile, dry compacted waste, which is dramatically reduced in volume up to 80%, after retrieving all recyclable materials
can be disposed of in the same way as domestic waste and brought to a landfill.
A proprietary chemical deodoriser perfume is automatically added to the shredded waste to avoid any possible odours.
The shredder system is self cleaning, an automatic washing programme being activated after use.
Further Information
For operation, the system requires only a three phase power supply of 63 Amp rating (on a CEE 63 Amp socket) with a fuse rating of 50 Amps.
A connection to a tap for filling of the" on board" 400 litre water tank may be required. The unit will run approximately 25 cycles from a full tank of water.
In the unlikely event of a fault being detected by the "on board" diagnostic equipment during a treatment cycle the system will stop at once. The treatment chamber will remain shut and the fault can be rectified in complete safety as all the unit's operational equipment is located outside the sealed chamber.
When the system is brought back on line and order, it will continue to complete the treatment cycle from the point of the disfunctioning. |
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