The art of mixing and blending


Mixing and blending are key processes for
turning your ingredients into delicious food products. It sounds simple, but there
are so many different ways of doing it. How do you choose the right one? Of
course, it depends on what you want to make and your priorities. When making infant
formula, for example, you want to maximise efficiency and reduce costs without
jeopardising quality or crucially, food safety. The right mixing technology can
help. With a high tier mixer at the heart of your line, you can mix the ingredients
into a concentrated slurry. That means you need less energy to dry it and turn
it into powder. In fact, you can remove an entire evaporation step, so you save on
both equipment and operating costs. On mixing dry ingredients. You face a whole
different set of challenges. Since all powder is combustible, it has
to be stored separately from the safe zone. A good way to do that and still get
a really efficient mixing process is with a hydraulic conveying system. You
can store the powder up to ten metres away from the mixing tank. The powder can
then be introduced into moving fluid using coaxial injection, which means your
ingredients are already partly mixed by the time they reach the mixing tank.
Smart. How about mixing and blending ambient
drinking yoghurts with particles. The challenge with ambient yogurt is that it
requires both forceful and gentle mixing in two separate steps. First the dry
ingredients have to be mixed into the liquid milk in such a way as to avoid
lumps and minimise air incorporation. The best way to do this with high mechanical
shearing is a vacuum mixer. After heat treatment and fermentation, the yogurt
needs to be mixed very gently to maintain its consistency. A low shear
agitator or an a-line static mixer are best for this. One product, two challenges,
two great solutions. If you’re wondering which solution would work best for your
end product, Tetra Pak’s Food Processing experts with their many years of
application experience can help you get it right.
Find out more at TetraPak dot-com

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