• Mechanical Wastewater Evaporation Products and Services

    Our locally manufactured mechanical evaporators are the perfect addition to your wastewater control strategy, as they rapidly increase the evaporation process.

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Mechanical Evaporation

Our Rhino Mechanical Evaporators are specifically designed to assist with the dewatering of water and wastewater.

Enhancing evaporation with the machines, also known as fog cannons, proves to be approximately 10 times faster than an evaporation pond, and approximately 15 times more cost-effective than any other treatment options.

Another benefit is that, with our evaporation technology, the need for additional wastewater ponds is not necessary, resulting in huge cost savings to build new plastic lined dams, as well as avoiding additional environmental threats.

Mechanical Evaporator Models

We have 4 models available to ensure ultimate customer satisfaction. The following models are available (with their flow delivery):

  • 11kw – 29m3/h
  • 22kw – 45m3/h
  • 45kw – 90m3/h
  • 75kw- 144m3/h

Each wastewater management project is designed to ensure the most cost-effective and environmentally friendly benefits to our clients.

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Mechanical Wastewater Evaporators in Action

A bird’s-eye view of FlowCentric Mining Technology's 75KW Mechanical Wastewater Evaporators in action at Mbuyelo Coal.

Posted by FlowCentric Mining Technology on Thursday, September 26, 2019

Case Studies and Trials

Rhino Evaporator Efficiency

OPERATIONAL DATA ACCUMMULATION EVAPORATION
Date Running Time (h) Number of Evaporators Running Capacity per Unit (m3/h) Change in Water Level (m) Accumulation (m3) Mechanical Evaporation (%)
Tues 02 Apr 19 7,33 5 90 -0,037 -2 244 75,3%
Wed 03 Apr 19 7,33 5 90 -0,045 -2 729 72,6%
Thurs 04 Apr 19 7,00 5 90 -0,042 -2 547 73,7%
Fri 05 Apr 19 7,00 5 90 -0,095 -5 761 62,1%
Fri 12 Apr 19 4,50 5 90 -0,014 -849 66,8%
TOTALS –            14 131 70,1%

The average Rhino mechanical evaporation efficiency over 3 days was found to be 70,1%.

Matla Colliery Mine

Natural evaporation was calculated based on Matla Colliery Mine data using Penman-Monteith equation.

Table 5: Natural Evaporation
Natural Evaporation (%) Months
41.0 % August
48.0 % September
55.0 % October
Average = 48.0 %

Rhino Mechanical Evaporation was calculated using mass and energy analysis of flow rates.

Table 6: Rhino Mechanical Evaporation
Rhino Mechanical Evaporation (%) Months
58.0 % August
54.0 % September
72.0 % October
Average = 67.0 %

Based on the above tables, the Rhino Mechanical Evaporation is 19 % higher than the Natural Evaporation. The Natural Evaporation information was extracted from Matla Stooping Project report on the Groundwater Impact Assessment (07 December 2016).

Kusile Power Station

Natural evaporation was calculated based on Kusile Mine data using Penman-Monteith equation.

Table 1: Natural Evaporation
Natural Evaporation (%) Days
58.6 % 1
53.8 % 2
48.3 % 3
Average = 53.6 %

Rhino Mechanical Evaporation was calculated using mass balance analysis of flow rates.

Table 2: Rhino Mechanical Evaporation
Rhino Mechanical Evaporation (%) Days
75.3 % 1
72.6 % 2
62.1 % 3
Average = 70.0 %

Based on the above tables, the Rhino Mechanical Evaporation is 16 % higher than the Natural Evaporation.

Customer References

Mechanical evaporators in action
FlowCentric Mining Technology

Ntshovelo Mining Resources recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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Mechanical evaporators in action
FlowCentric Mining Technology

Gamsberg Vedanta Zinc International Mine recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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Mechanical evaporators in action
FlowCentric Mining Technology

Ntshovelo Mining Resources recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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Mechanical evaporators in action
FlowCentric Mining Technology

SOUTH32 Klipspruit Colliery recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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Anglo Ashanti recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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Mechanical Wastewater Evaporator

Estedama Environmental Solutions recommends FlowCentric Mining Technology for Rhino mechanical evaporators.

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