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A collection of project for NZDF Takanini

The challenge

Our client operated two milk pasteurisation lines in New Zealand’s largest consumer fresh milk factory and wanted to increase production from 35 m3/h to 50 m3/h and achieve NZCP7 compliance without incurring significant downtime. We were allowed two 24 hour shutdowns to perform the upgrade.



The Solution

The existing milk separators were able to handle the increased separation rates, but the other components need to be upgraded.

In a staged operation, a spare homogeniser was upgraded and used to replace one of the units in service, and the other components upgraded or replaced (pumps, holding tubes) and the unit recommissioned, all in 24 hours.

We then upgraded the homogeniser recovered from the first pasteuriser and repeated the exercise on the second pasteuriser at a later date.



Process

MILK TREATMENT

Key Processes Implemented


  • Homogeniser refurbishment
  • NZCP7-compliant whole milk pasteurisation (differential pressure method)

The challenge

Our client wanted to manufacture small volumes of protein enriched consumer milk products.



The Solution

We installed a small batch UF process using an existing tank to concentrate skim milk.



Process

MEMBRANE PROCESSES

Key Processes Implemented


  • Batch UF using six inch elements