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Product description
06.03.2023  |  1449x
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Inprotec AG: Specialist for drying, shaping, coating

Our business is contract drying and contract manufacturing using spray drying and fluidised bed technology, we find the right solution for every requirement. Even before the market launch of products, we use our expertise to quickly find solutions.
Using spray drying and fluidised bed technology we find the right solution for your drying needs. We also use our expertise to find solutions before market launch of your products.


Contract drying and contract manufacturing

inprotec AG relies on two different technologies to fulfil all our customers’ requirements as a contract dryer and contract manufacturer: spray drying and fluid bed technology.

  • Spray drying technology
    In classic spray drying, solutions, suspensions or emulsions are processed into fine-grained, free-flowing powders. The respective product is first finely atomised at the top of the spray tower. The resulting spray mist is dried by the hot air stream within seconds during free fall (convection).

  • Fluidised bed technology
    When fluidised bed technology is used, a gas medium flows through the feedstock and raw materials. This flow puts the particles into a fluidised state - they mix with the medium. The result is a flowable, loosened mass of fine-grained particles, a so-called fluidised bed. In the fluidised bed process, the raw materials are also rapidly dried or refined when processes such as spray granulation, coating or spray agglomeration are used.

In the fluid bed systems of inprotec AG, different process steps can be combined. Our customers can choose between continuous and discontinuous operation, also known as batch operation. In this way, the physical properties of the materials to be processed can be specifically influenced. The result: particle systems of precisely defined size and shape, homogeneous and dust-free. We are happy to fulfil special requests, whether it is taste masking, the controlled delayed release of ingredients or particularly demanding protective coatings.

Our partner concept

And if there is no suitable process yet? Then we develop it together with our customers, whether with spray drying or fluidised bed technology. We have developed our partner concept for this purpose. Its goal: to keep the time span from the idea to the market launch of the product as short as possible through close exchange. Our partners make the decisions together with us and benefit from our many years of in-house expertise.

Company information

inprotec GmbH
inprotec GmbH
inprotec was found in 1999 at the headquarters in Heitersheim. Today, the company engages around 260 employees at two sites (Heitersheim and Genthin) in Germany. The total capacity is over 150,000tons per year (8 production lines thereof 7 fluidized bed spray granulators and 1 classical spray drier). The customized granules and powders are developed and toll manufactured by using the fluidized-spray granulation technology and classical spray drying technology. The technologies are the basis for a multiplicity of process in the field of drying and particle forming like spray granulation, spray drying, spray chilling, spray agglomeration, fluid-bed drying, coating and matrix encapsulation. During this there is a combined treatment of solid components (powders, granules and bulk goods) and/ or liquids (aqueous solution, suspension, emulsions and melts) in one and more component system. As a competent and trustful partner with long experience in different industry sectors, we offer a full integrated tolling service from development in lab scale (0.1kg – 5kg) through scale-up trials in pilot scale (0.02tons - 5tons) to industrial production (20tons – 10,000 tons per campaign). The main industry sectors are washing and detergent industry, animal feed additives, building additives, cosmetic additives and specialities. The main industry sectors are washing and detergent industry, animal feed additives, building additives, cosmetic additives and specialties.
Last update: 22.11.2023

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