Disinfection

  • Overview

  • Chlorination

    • Overview

    • Chlorination

    • Chlorine Gas

    • Sodium Hypochlorite

    • Calcium Hypochlorite

  • Other disinfection

    • Overview

    • Chloramines

    • Chlorine Dioxide

    • Ozone

    • Ultraviolet Radiation

Effluent Treatment

  • Sewage Treatment

    • Overview

    • Preliminary

    • Primary

    • Secondary

    • Tertiary

  • Wine Waste

    • Wine cellar Waste

    • Aeration Techniques

  • Grey vs. Black water

  • Nutrient Removal

  • Re-use of treated sewage

Filtration

  • Overview

  • Sand Filtration

  • Slow Sand filters

  • Rapid Gravity Filters

  • Pressure Sand Filters

  • Cartridge Filters

  • Activated Carbon filters

Hardness

  • Overview

  • Water Hardness

  • Water Softening

Reedbeds

  • Overview

Water Problems

  • Bad Odours

    • Overview

    • Aeration

    • Chlorine Dosing

    • Potash Filtration

  • Colour Overview

  • Contaminants

  • Iron Removal

    • Overview

    • Oxidized iron

    • Soluble iron

    • Colloidal iron

    • Bacterial iron

    • Organic bound iron

    • Copper

Water Treatment

  • Deionization

  • Distillation

  • Reverse Osmosis