Case studies
NESTLÉ DAIRY, SOUTH AFRICA
Reducing Nestlé’s water tariffs and water footprint.
THE CHALLENGE
South Africa is a water scarce country and the Nestlé facility wanted to reduce their water footprint and water tariffs. They also sought cost effective solutions on how to adapt to the drought that the region was experiencing.
OUR SOLUTION
PROXA designed and commissioned the first phase of a wastewater treatment plant aiming to reduce water intake. This will reduce Nestlé’s water footprint and discharge tariffs thanks to a reliable treatment process.
HOW PROXA ADDED VALUE
By listening to Nestlé and asking, “how can we do this better?” PROXA was able to develop a phased approach that not only addressed the technical requirements of the project, but also fitted well into the client’s business strategy.
FEED WATER
Dairy effluent
PERFORMANCE TARGET
Product flow rate 720 m3 per day- Removal of Chemical Oxygen Demand (COD)
PROCESS
- Equalisation followed by Dissolved Air Filtration (DAF)
PROCESS RELIABILITY
Flexibility was key. PROXA ensured that the plant could cater for a variable flow rate, variable effluent loadings and changes in the pH levels.
PROCESS INNOVATION
PROXA’S experience in design and maintenance was key to ensuring optimal plant selection and operability.
ENVIRONMENTAL PROTECTION & SOCIAL ENGAGMENT
Global water supply is under increasing stress. This project represents PROXA’s ongoing objective to protect water sources, recycle water and reuse it.
Client: Nestlé
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