Recent installations

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Winery and Sewage treatment in Simondium
Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2022..

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/3-4.jpg” alt=”Borehole Senegal” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]Borehole treatment – Senegal
Unit processes include;

  • Activated filter media filtration
  • Birm filtration
  • Arsenic removal
  • Pressure Supply for potable use
  • Commissioned in 2022

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/2-7.jpg” alt=”Sewage Treatment near Paarl” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment near Paarl
Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
  • 36 m³/d
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2022

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Radio-active effluent near Eerste Rivier
Industrial effluent treatment plant. Unit processes include;

  • filtration
  • removal of radio-active particles
  • process control
    Treated effluent safely disposed.
    Commissioned in 2022.

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Winery near Paarl
Sewage and winery effluent treatment plant. Unit processes include;

  • high COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2022. 

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Sewage treatment at a CSP
Sewage treatment plant housed in three modified shipping containers. Unit processes include;
COD removal

  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for dust supression irrigation.
    Commissioned in 2022.

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Lomond
Winery effluent treatment plant. Unit processes include;

  • high COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2022.

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Durbanville Hills
Sewage, restaurant and winery effluent treatment plant. Unit processes include;

  • high COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2008 and upgraded in 2022. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/9-1.jpg” alt=”Sewage Treatment near Klapmuts” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage Treatment near Klapmuts
Sewage treatment plant housed in a modified shipping container. Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2022. 

[/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/10.jpg” alt=”water treatment in the Northern Cape” title_text=”4″ show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Water treatment in the Northern Cape

Water treatment for construction company. Unit processes include;

  • Activated filter media filtration
  • Softening
  • Reverse osmosis
  • Supply for kitchen and potable supply

    Commissioned in 2021.

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/11.jpg” alt=”Wilderberg Winery” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Winery in Franschhoek – Wildeberg Wines
Sewage and winery effluent treatment plant. Unit processes include;

  • high COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/12.jpg” alt=”Bacco Wine Estate” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Bacco Wine Estate

Sewage and winery effluent treatment plant.  Unit processes include;

  • high COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/Untitled-design-2022-10-20T113921.545.jpg” alt=”Pesticide rinse water treatment” title_text=”4″ show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Pesticide rinse water treatment

Pesticide and vehicle rinse water treatment plant installed at a farm in Simondium. Treatment processes include

  • three media filtration)
  • automated
  • low maintenance and reliable
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/13.jpg” alt=”Rainwater Re-use” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Rain water treatment and re-use

Rain water harvesting plant installed at an upmarket home near Durbanville. Unit processes include;

  • Course solids removal and GAC filtration
  • Lime stone pH stabilization (rain water is corrosive)
  • Disinfection
  • Constant pressure supply for re-use
    Treated effluent used for flushing toilets and irrigation.
    Commissioned in 2021. 

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Potsdam water treatment

Grey water polishing treatment plant installed at an office complex in Cape Town. Treatment processes include

  • activated media filtration)
  • liquid chlorination
  • low maintenance and reliable
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2021. 

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Ultra clear effluent

Passive inverted filter installed in Simondium providing an ultra clear effluent;

  • clarifier/filter in one step
  • increased mixed liquor concentration in the bioreactor (6-8 g/l)
  • perfect RAS control
  • low maintenance and reliable
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2021 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/Untitled-design-2022-10-20T114321.599.jpg” alt=”Hideaway sewage treatment – perfect” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Hideaway sewage treatment – perfect

Trickling filter sewage treatment at a Guest Lodge in the Kogelberg Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/16.jpg” alt=”The Unity Church, Johannesburg South” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

The Unity Church – Johannesburg South

Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2021. 

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Cellar near the Paardeberg

Winery effluent treatment using full flow attenuation. Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • pH Adjustment
    Treated effluent used for irrigation.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/18.jpg” alt=”Sewage Treatment Plant near Woodmead” _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment plant near Woodmead

Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2021. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/19.jpg” alt=”Sewage treatment in Moutonshoek” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment in Moutonshoek

Treatment of sewage from staff and seasonal farm helper. Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2020. 

[/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/20.jpg” alt=”Sewage treatment at a pack shed” title_text=”4″ show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment at a pack shed

Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2020. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/21.jpg” alt=”Rain water treatment and re-use at Clara-Anna Fontein” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Rain water treatment and re-use at Clara-Anna Fontein

Rain water harvesting plant installed at an upmarket home in Durbanville. Unit processes include;

  • Course solids removal and GAC filtration
  • Lime stone pH stabilization (rain water is corrosive)
  • Disinfection
  • Constant pressure supply for re-use
    Treated effluent used for flushing toilets and irrigation.
    Commissioned in 2020. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/22.jpg” alt=”Sewage treatment – Kromvlei near Picketberg” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment – Kromvlei near Picketberg

Fully automated treatment of sewage serving 500 people.  Unit processes include;

  • Solids removal
  • COD and nutrient removal
  • Filtration
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2019. ( 

[/et_pb_text][/et_pb_column][/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/23.jpg” alt=”Sewage treatment, Abuja Airport, Nigeria” title_text=”4″ show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Sewage treatment, Abuja Airport, Nigeria

Fully automated sewage treatment plant.  Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Pressure discharge included.
    Commissioned in 2019. 

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/Untitled-design-171.jpg” alt=”Borehole treatment near Hendrina, Mpumulanga” _builder_version=”4.18.0″ _module_preset=”default” hover_enabled=”0″ box_shadow_style=”preset2″ global_colors_info=”{}” sticky_enabled=”0″][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Borehole treatment near Hendrina, Mpumulanga

Fully automated treatment of borehole water.  Unit processes include;

  • pH adjustment
  • flocculation
  • AFM and Birm filtration
  • Disinfection
    Sustained pressure supply not included.
    Commissioned in 2019.

[/et_pb_text][/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https://hwt.co.za/wp-content/uploads/2022/10/25.jpg” alt=”Grey water re-use near Stellenbosch” show_in_lightbox=”on” align=”center” _builder_version=”4.18.0″ _module_preset=”default” box_shadow_style=”preset2″ global_colors_info=”{}”][/et_pb_image][et_pb_text _builder_version=”4.18.0″ _module_preset=”default” global_colors_info=”{}”]

Grey water re-use near Stellenbosch

Grey water treatment plant installed at an office complex near Stellenbosch;

  • high rate ozonation
  • activated media filtration)
  • granular activated carbon filtration
  • low maintenance and reliable
    Treated effluent used for irrigation and toilet flushing.
    Commissioned in 2019. 

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Potbelly – near Stellenbosch

Fully automated treatment of sewage.  Unit processes include;

  • Solids removal
  • COD and nutrient removal
  • Filtration
  • Disinfection
    Treated effluent used for irrigation.
    Commissioned in 2019 

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Lievland Estate – Winery and sewage treatment

Fully automated sewage and winery effluent treatment plant.  Unit processes include;

  • COD removal
  • Ammonia reduction
  • Nitrate and phosphate removal
  • Disinfection
    Pressure discharge included.
    Commissioned in 2019. 

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Borehole water treatment – DP Marais Hospital

Fully automated treatment of borehole water.  Unit processes include;

  • pH adjustment
    <liflocculation
    </liflocculation
  • <lidisinfection
    Sustained pressure supply included.
    Commissioned in 2019

     

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