Page 37 - Food & Drink Business Jan-Feb 2020

ways that aseptic packaging can be sealed; from screw- capping bottles to heat sealing pouches or putting lids on bulk containers. These mechanisms may also include some form of tamper-evident system to alert customers or consumers if the pack has been opened since filling.
THE BUSINESS CASE
FOR ASEPTIC FILLING There is of course a financial investment required to install aseptic filling technology, but when conducting a cost/benefit analysis, some of the factors to consider include:
• VOLUME: Aseptic filling lines normally operate on a continuous basis so are much faster than batch cooling operations.
• QUALITY: Probably the biggest driver towards aseptic filling is the improvement in product quality. Any heat
“ [Cold aseptic filling’s] flexibility means that it is suitable for a wide range of products from fresh fruit dices and purees to marinades and dairy products.”
LEFT: Most aseptic filling solutions combine pasteurisation, sterilisation and filling in an integrated solution.
THE CHILL FACTOR
treatments can be driven by product requirements, rather than the need to sterilise the container, making high temperature, short time (HTST) pasteurisation feasible in many cases. This preserves key quality characteristics such as taste, nutrient content and colour.
FLEXIBILITY: Most aseptic filling lines can be configured to supply a range of products and fill a range of containers including PET, HDPE,
LDPE, glass, cans, and foil. Not only does this increase flexibility, but also helps to future-proof installations.
• PACKAGING: Although there may be an increase in costs associated with the need to purchase sterile packaging, many packaging types used in aseptic filling are generally lighter (and therefore cheaper) than their hot-fill equivalents.
When considering aseptic filling, companies need to weigh up the safety of the proposed solution with capital and operating costs, operational safety considerations and the effect on product quality. In most situations, the business case to adopt cold filling quickly becomes apparent. ✷
✷ ABOUTTHEAUTHOR
•
Matt Hale is the
international sales and
marketing manager for
HRS Heat Exchangers,
part of the HRS Group.
Its expertise in thermal
technology spans almost 40 years for the food and drink sector. HRS specialises in the design and manufacture of an extensive range of turnkey systems and components.
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