Wastewater Treatment

Helix ECL provide process designs of wastewater treatment works; and have experience ranging from single house 'packaged' plants to advanced wastewater treatment plants, liquor treatment plants, and nutrient recovery plants

Activated Sludge

Conventional ASP, Nitrogen Removal, Bio-P, Liquor Treatment


Carbonaceous and nitrifying Sequencing Batch Reactors

Trickling Filters

Mineral media filters, plastic media filters, roughing and tertiary filters


Submerged Aerated Filters, Anoxic SAFs, Biological Aerated Filters (BAFs)

Tertiary Treatment

Secondary and Tertiary Reed Beds, Sand Filters


Hydraulic profiles, head loss, storm separation, flow distribution

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