Membrane Filtration

We have membrane filtration expertise covering micro-filtration (MF), ultra-filtration (UF), nano-filtration (NF) and reverse osmosis (RO). We also offer both pilot and production plants available for hire.

If you are interested in experimenting to see if membrane filtration is right for your product, then our subsidiary, Pearl Solutions, specialises in that area. Pearl Solutions will be happy to discuss your needs and experiment to find a membrane filtration system that suits your specific application.

If you are new to the topic of membrane filtration, we have provided a short tutorial on the fundamentals.

Previous Experience

The following is a list of our previous experience that is directly related to membrane filtration. All figures are in New Zealand dollars unless otherwise stated.

• Water Processing, NZ ($7.5m)

  Project Management and Engineering for specialist water processing plants requiring water to a quality level equal to or exceeding "Best Practice" drinking water for an international beverage company treating high hardness, high alkalinity bore water to a quality being used to provide bottled water, up to 45,000 litres per hour.

• Water Treatment Plant - Coca-Cola Amatil, PNG ($2.6m)

  Turn-key design, construction, supervision, site installation and commissioning of a fully automated 1.1ML/day water treatment system. Complete detailed design from bore to filling machines including pre-filtration, nano-filtration (installation automation and commissioning), chlorination, dechlorination and water distribution. NF design and supply by others.

• Note: PWCL has project managed some $500m of work on the Kiwi Dairies Ltd Whareroa site, taking its milk processing capacity from about 6 million litres per day to in excess of 12 million litres per day. It is one of the largest milk-processing sites in the world.

• WPC 80 Complete Plant - Kiwi Dairies, NZ ($80m)

  Project management of the design, installation and commissioning of a complete WPC80 production plant for both sweet and lactic whey, from whey clarification to powder packing.

• WPI and Alamin Complete Plants - Kiwi Dairies, NZ ($8m and $12m resp.)

  Project management of the design and installation of the world's first commercial WPI and "Calcium Salts from Whey" plants.