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Services

Blue Crane Treatment Wetlands provides services in the treatment of water. We can treat many forms of water and waste water.

The systems we install are designed to require limited maintenance. We provide the following maintenance services:

  • Preventative maintenance;
  • Corrective maintenance;
  • Frequent water sampling for quality control

Experience showed that we treat domestic waste water at rates comparable with rates charged by municipalities.

Water sampling
Re-use of water

Re-use of water

A further advantage of on-site treatment of wastewater is that the quality of the effluent from the constructed wetland water treatment facilities is such that the water can be re-used for purposes such as irrigation of gardens.

We are currently investigating the potential re-use of treated wastewater for the flushing of toilets. This has the potential to effect water use savings for the client.

Our services include the design, project management and installation of the following:

A septic tank consists of a tank with multiple chambers connected to a wastewater inlet pipe on the one side and an effluent drain pipe on the other side. Wastewater enters the first chamber of the septic tank allowing solids to settle to the bottom and scum to float. Settled solids are anaerobically digested which reduces the volume of the solids.

The liquid component flows through the dividing wall into the second chamber, where further settlement takes place and then to a third chamber for final settlement. Excess liquid then drains from the septic tank in a relatively clear condition into a secondary treatment system.

Vertical flow reed beds are designed to provide ‘secondary treatment’ by adding oxygen to this effluent and removing the pollutants. A layered sand and gravel bed is planted with Phragmites australis, otherwise known as common reed.

Effluent is introduced to the surface in doses so as to cover the whole bed. It percolates through the sand, gravel and plant roots, then flows out from the bottom.

Horizontal flow reedbeds are used to treat low strength wastewater and is often used for final polish or tertiary treatment at sewage treatment plants. These reedbeds consists of an excavation filled with gravel.

Effluent is distributed at one side of the bed on top of the gravel and then flows to the other side of the bed in a horizontal direction. The effluent is then collected at the bottom of the bed at the other side.

The lack of oxygen in traditional wetlands limits their treatment capabilities. Forced aeration reedbeds is a new wastewater treatment technology. The aeration of treatment wetlands boosts the treatment performance in these systems.

The introduction of oxygen increases the treatment capabilities. Aerated wetlands typically occupy a much smaller footprint than traditional non-aerated wetlands.

Sludge drying beds are used to dispose of sludge and scum collected in a septic tank. The sludge and scum is sucked from the septic tank and pumped in a drying bed. The drying bed consists of a lined excavation or on surface structure filled with layers of gravel and sand.

The bed is also fitted with a piping system at the bottom to drain all moisture from the sludge. The sludge is spread evenly in the bed and covered with soil. After the drying process is complete the sludge be used as fertilizer.