Nkunzi Milkyway

PROJECT TITLE:

Nkunzi Milkyway – Dairy Effluent Plant – 10m3/hr DAF Plant

CUSTOMER DETAILS:

Nkunzi Milkyway is an Ayrshire milk processor in Pretoria. Nkunzi Milkyway produces a range of products for Woolworths and for its own brand. These include milk (full-cream, low-fat, fat-free), buttermilk, cream (fresh, double thick, reduced fat), yoghurts and drinking yoghurts (including an organic range), cottage cheese, lactose-free milk and yoghurt, and fruit juices and soya products. The company has grown significantly since 2008 and is now processing 18 million liters of milk annually.

APPLICATION:

Nkunzi Milkway produced +- 200 000 litres daily of dairy effluent which was being disposed into an irrigation trench. The council had tested the water and found it to be way out of spec for irrigation and they threatened to impose fines if a solution was not brought in. A water analysis revealed that the COD levels were greatly above the allowed limits. In order to combat Nkunzi Milkyway effluent problem, Water Icon designed, constructed and commissioned a customized dissolved air floatation unit to treat the effluent.

FEED WATER:

Industrial Effluent

PRODUCT WATER:

Waste Water Safe for Discharge

PROCESS:

  • Chemical Dosing
  • Flocculation
  • Static Mixing
  • pH Correction
  • Aeration/ Floatation

Download Full Case Study – Nkunzi Milkyway

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