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drinkworld Technology + Marketing 3/2022

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drinkworld Technology + Marketing is the leading magazine for the entire drinks industry worldwide. Feature articles and short communications cover the whole spectrum of processing, bottling, raw materials, logistics, packaging and marketing of beverages. We also report on special topics of regional interest and the trends in the beverage industries worldwide. Readers are executives and decision-makers in the brewing, dairy and mineral water industries, manufacturers of non-alcoholic drinks, wine growers and bottlers.

Processing Direct Steam

Processing Direct Steam Technology Expands Production Capacity in Plant-based Drinks A leading Israeli dairy producer has expanded its production capacity for plant-based drinks with the installation of an HRS DSI Series pasteurizer as part of a new production facility to process raw ingredients. Before this the company had to import part-processed products from an associated facility in Europe. The client is one of the largest dairy and food companies in Israel and having previously brought in plant-based drinks in bulk from an associated European company for bottling, in 2021 they invested in a new production line to allow them to process raw materials (such as oats, soybeans, coconut and hazelnut) in-house as part of an expansion of their dairy alternatives business. Consequently, the new production facility includes many elements including grinding, extraction and bulk supply for bottling elsewhere. The HRS DSI (Direct Steam Injection) forms part of a complete UHT (ultra-heat treatment) system supplied by HRS for integration into the new production facility. One of the challenges was the space available for the UHT portion of the production facility. HRS was able to design a complete, cost-competitive heat treatment solution based around the HRS DSI and other heating and cooling technologies which was skid-mounted to facilitate installation and commissioning in the available space. Direct steam injection provides a number of advantages over traditional UHT systems based on heat exchangers, An HRS MI Series heat exchanger is used to cool the processed material after direct steam injection Francisco Hernández Ortiz, food business development director at HRS Heat Exchangers particularly when it comes to the viscous nature of plant-based ‘milk’ drinks. The biggest advantage is in terms of speed, with direct injection taking a fraction of the time to heat (and then cool) the product compared to other methods of pasteurisation such as indirect heating using heat exchangers. This matters as the faster the product is heated and cooled, the less impact the heat has on the product – in the case of plant-based drinks this can include discoloration, caramelisation and the introduction of off-tastes. “With direct steam injection you get a sudden and immediate increase in temperature,” explains Francisco Hernández Ortiz, food business development director at HRS Heat Exchangers. “We have standard preheating phase using an HRS MI Series heat exchanger which takes the product to 80 °C, and we then inject the steam which immediately increases the product temperature to 140 °C. A flash cooler is then used to return the product to 80 °C within a few seconds, so the heat has time to pasteurise the product, but other heat effects, such as caramelisation, do 20

Processing not have time to occur.” After this chilled water and a glycol solution are used to cool the product to the final temperature of 4°C. A second major advantage of using steam injection rather than traditional heat exchanger technology is that it avoids issues with fouling of the heat exchanger, which can be a problem with the viscous nature of some plant-based drink products. “As there is no heat exchanger, there is no surface and so there is no fouling,” says Francisco. The HRS equipment was delivered in early September 2021, although delays with other parts of the line meant that it was not installed immediately. HRS pre-commissioned the unit on site from late November, but before final commissioning using actual product could take place, a Covid outbreak closed the Israeli border to all travellers. “The way the HRS DSI Series and associated equipment is designed meant that we could undertake the necessary commissioning work remotely, so that the unit was operational by January 2022,” explains Francisco. “I then visited in person in March to carry out a few final pieces of commissioning and since then the unit has been running without any issues.” Direct steam injection provides a number of advantages over traditional UHT systems The UHT system supplied by HRS includes Direct Steam Injection (DSI) and a MI Series heat exchanger FLEXI LINER ® innovative cap feeding totally flexible • hygienic & soft • energy saving Flatcap WideJar MiniShorty The gentle way of cap feeding. PushPull SnapCap see more at: DRINKTEC MUNICH HALL B4 BOOTH 123 SportsCap CrownCork drinkworld Technology + Marketing GASSNER - THE NO.1 IN CAP FEEDING GASSNER is the only manufacturer to supply all cap feeding components from one single source and with its own know-how. Optimizations do not only take place for individual components – also overall in the entire system. One manufacturer - THE BEST SOLUTION * In comparison with an air conveyor for oriented feeding 21 CAPFEEDING.COM

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