Published on April 24, 2014
Cool Wave Processing • Develops, manufactures and sells – PurePulse Equipment (and production lines) – Novel Cold pasteurisation – >> 21 days Shelf-Life of fresh juices – Fresh Taste, High Quality, acceptable prices – Food Design & consultancy (via TOP b.v. )
PEF Background + + + + + + + + - - - - - - - - Biological cell 1 volt
PEF Background + + + + + + + + - - - - - - - - Biological cell 1 volt Pore formation Cell rupture Irreversible Reversible
PEF Background + + + + + + + + - - - - - - - - Biological cell 1 volt Pore formation Cell rupture Irreversible ReversibleWe control this process very well. We control this process very well.
PEF Background Pulsed electric field time Fieldstrength Pulse duration (1-30 us) Repetition rate (10-100Hz) Low energy process !!! kV
Scale up challenges Product properties Chamber design (flow and electric field optimization) Generator design (pulse energy, field strength, total power) Optimal pulse electric field treatment Lowest energy input -> best Quality!
PurePulse = PEF 2.0 from Wageningen Optimization of flow electric field and generator design Cold in-line pasteurisation • Product temperature << 40°C • 4-6 log reduction yeast & moulds • Pilot available up to 600 L/hr • First commercial system 1200 L/hr
PEF 1.0 (current status) Year 1997 (Labscale USA)
Laminar flow Low temperature-time Low starting temperature HACCP & Novel Food approved
Product properties – Excellent Quality Fresh Juice PEF 2.0 • Same perceived taste as fresh-squeezed • Cloud loss (no inactivation of PME) • Product temperature << 45°C • 4-6 log reduction yeast & moulds • Shelf-life >>21 days @ 7oC depends on filling: hygienic or aseptic taste at end shelf-life depends on packaging properties and food chain conditions
No Quality Benifit ! PEF 1.0 (current status) Year 1997 (Labscale USA)
Pilot Scale facility available for application testing in Wageningen
Industrial Scale : 600-1800 L/hr
Partners – CWP with PurePulse (PEF 2.0)
Industrial Scale : 600-1800 L/hr PFN-Module Chamber Throughput Installed power 1x size 1 600 L/hr 16 kW 2x size 2 1200 L/hr 30 kW 3x size 3 1800 L/hr 40 kW Required power connection : <64 A @ 3x400V Cooling water : 1/2” connection Compressed air : 8 mm, 6 bar PurePulse generator (WxDxH) : 1.6 x 1.8 x 2.2 m
PurePulse Squeeze the Juice 1
PurePulse Store & Pump 2
PurePulse Controll of Temperature 3
PurePulse PurePulse 4
PurePulse CoolDown 5
PurePulse Hygienic Filling 6
Conclusions • PurePulse® is – the first commercial PEF system – that does in-line cold pasteurization – at large industrial scale (>1200 L/hr) – at product temperatures never exceeding 40°C – preserving fresh food product characteristics – with > 21 days shelf life (4-6 log reduction)
Why using PurePulse Technology? PEF 1.0 – Small scale pilot-facilities – No commercial application – No scale-up to industrial throughput’s – Temperatures of product are too high (>>60oC) – No quality benifit PEF 2.0 - PurePulse – 500 L/hr available for NPD. – Low temperature treatment (<40 oC) – Sufficient shelf-life (>30 days) – First lines commisioned – Sustainanble (energy sufficient) – Excellent, premium product quality – Price level similar to UHT – Applications: juices, smoothies, milk, vegetables
High Pressure (HPP) – Pilot facilities available – up to 3000 Liter / hr – Batch process – No aseptic filling req. – High investment costs – Costs per Liter 6-40 cent – Applications available PurePulse (PEF) – 800 L/hr available for NPD. – Commercial 1200-1800 L / hr – In-line process – Aseptic or high-hygenic filling – Low investment costs – Costs comparable with UHT – Applications on the market
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... Cool Wave Processing perfects regular PEF ... PurePulse is therefor also known as PEF 2.0. ... PurePulse can be applied to liquid products ...
Home › News › Cool Wave Processing › The difference between PEF and PEF 2.0 ... milk and other liquid products, ... Cool Wave Processing; News ...
PurePulse is an PEF 2.0 based ... that preserves liquid food products or beverages ... pasteurization methods | Cool Wave Processing B ...
... PurePulse Pilot facility line of Cool Wave ... PEF 2.0 systems consists of (a) a PurePulse ... to cold pasteurize liquid products ...
... › PurePulse, the profitable alternative for ... borne by high-margin products. PurePulse technology (PEF 2.0) ... Cool Wave Processing, News, PurePulse.
The innovative technology PurePulse is a co-development between TOP b.v. and Cool Wave Processing b.v. (www.cwp-bv.nl). The PurePulse technology ...
... http://nl.topwiki.nl/index.php/PurePulse_-_PEF_2.0 and ... Coolwave Processing, Field Pef, Cold Pasteurization ... line of Cool Wave Processing ...
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