Make profit from reusing of already processed whey

Why demineralize whey by-products by MEGA electrodialysis

Internal reuse of demineralized whey

Expand usage options by creating new whey-based products

Improve the quality of your products and reach the full potential of dairy by-products

The benefits of demineralizing dairy by-products

Electrodialysis brings benefits in three categories:

Improved product characteristics – lower amount of organic and inorganic ions (organic acids, minerals), improved sensoric properties and thermostability
Wider usage – due to better product characteristics
Processing line – improved efficiency of evaporation, crystallization (by 15–25% for acid whey and 4–6% for sweet whey*), lower spray drying costs by 4–4,5%*, lower CIP chemicals consumption, lower downtimes

Other benefits include:

Lower molasses creation
Reduced risks of calcium sulphate and phosphate precipitation during evaporation
Lower BOD and COD in the waste waters

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For whom electrodialysis is the right solution

The most common way for companies with large feed volumes is a standard processing line using pre-treatment, concentration, crystallization, and spray-drying. Electrodialysis can be implemented after pre-concentration by nanofiltration, reverse osmosis, or evaporation.

Thanks to that, the customer can react to changes in requirements for the quality of whey powder, which means that he can supply demineralized whey powder from demineralization rates of D50 up to D90+, which meets the requirements for baby food products.

The second attitude is more common for small to middle-sized dairy companies, which have around 15-60 tons of natural whey. In order to make the project feasible, it is good to think about how to use the whey internally, avoiding expensive spray drying. Demineralization allows to re-use of whey as a supplement to milk in yogurt and other fermented production.

How can you get started?

In cooperation with our experts in the dairy field, we can guide you in further usage of your dairy by-products, using mega electrodialysis.

As there are many ways and types of utilizing dairy by-products, there needs to be an individual attitude when choosing the right direction. Our experts are ready to support customers and give them suitable advice on how to proceed further.

Highlights

Step-by-step individual support
Supply of our own pilot units
Validation of results (demineralization rate, mineral profile, sensoric properties, etc.)
Our customers have implemented demineralized products into their existing portfolio

Products obtained by MEGA ED technology

MEGA ED is a very flexible technology. It can process all types of whey, UF permeates, mother liquor, WPC/WPI, and more.

In one day, it can process multiple types of feeds and obtain different demineralization rates, thanks to the batch system.

We can also achieve a demineralization rate of D90+ with an electrodialysis unit only without the need to use a combination of ED and ion-exchange technology.

Implementation of demineralized products

Sweet whey

The most popular usage of sweet whey after ED is baby food, infant milk formulas, and nurse nutrition. Demineralized sweet whey has decreased ash and mineral content. The technological properties and taste are highly improved. It also has high protein content, and therefore is suitable for these products.

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Acid whey

Acid whey, compared to sweet whey, has higher mineral content and lower number of proteins. It is much more difficult to demineralize it. With MEGA ED technology, you can lowers the amount of inorganic and organic ions and achieve high rates of demineralization such as D90+, improve sensoric properties and thermostability. You can also demineralized acid whey into products such as chocolate, yoghurts, desserts, and cream cheese.

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UF permeate

Demineralized UF permeate containing food-grade lactose is suitable for confectionery, bakery, or as animal feed. The demineralized UF permeate applied in the bakery creates a nice crust on the pastry

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Mother liquor

The demineralized mother liqour is advantageous for its reuse in the production of lactose directly in liquid form, or it can be dried.

WPC/WPI

The demand for sports nutrition products and supplements is growing. Using demineralized WPC or WPI with minimal inorganic ions and organic ions/acids will significantly improve the quality of your products, and allow you to stand out in an expanding market. Demineralized WPC and WPI can be used, for example, in protein bars or powders.

Request a free quotation for your UF permeate demineralization project

Already successfully implemented projects for UF permeates demineralization. Extensive experience with different types of UF permeates considering to the type of pretreatment. Our experts are ready to answer your questions and find the best solution for your ED demineralization project.

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