C&D Technical Applications’ innovation calculates optimal compositions for the cost-efficient recycling of a wide range of raw materials

C&D Technical Applications, a specialist in wheat-based technical additives, has developed a digital tool to calculate the ideal recipe for the compaction of side-streams (dust, particles and sludge) in the metal and recycling industries. The “Crespotec® Compaction Optimiser” utilises only the smallest quantities of raw materials, thereby eliminating product- and time-intensive trial-and-error procedures. The unique software identifies the optimal quantities of wheat-based binders and water to be added to ensure the lowest possible dose. With ingredient and energy prices increasing, this provides a significant economic advantage as valuable materials can be efficiently recycled in the form of briquettes.

© Crespel & Deiters Group

© Crespel & Deiters Group
The software, developed in-house by C&D Technical Applications, calculates how much water and wheat-based Crespotec® binder is required to optimise parameters such as firmness, cohesion, water resistance and temperature stability. It also takes into account the characteristics of the raw material mixture and compaction technology being used. As such, the tool offers benefits such as shorter development cycles and less testing. Only about one kilogram of raw material is required for the C&D team to verify the results using a pilot plant-scale roller press. Production changes or fluctuating raw material qualities can also be accommodated.

Only by converting these side-streams into abrasion-resistant briquettes can the recycling potential of metal particles be fully exploited. Dust and splinters are light, swirl in the melt and collect in exhaust air systems. Compacting the raw materials and feeding them back into the process provides a noteworthy cost saving thanks to the digital tool.

© Crespel & Deiters Group

© Crespel & Deiters Group
The Crespotec® binders from C&D Technical Applications are made from natural wheat and burn with little smoke in a CO2-neutral way. This means that synthetic solutions that form harmful combustion products can be dispensed with, offering an important environmental advantage. The Crespel & Deiters Group, of which C&D Technical Applications is a part, is able to ensure an unrestricted supply of the material owing to the abundant availability of European wheat, forward-looking stockpiling and long-term contracts.

Carsten Mergelmeyer, Sales Manager at C&D Technical Applications, summarises: “The Crespotec® Compaction Optimiser is a groundbreaking development in terms of both expense and the environment: with no need for lengthy trials that require tons of material, optimal results can be obtained with much lower quantities of water and binder. And, thanks to short drying times, our customers save energy and reduce operating costs by maximising raw material utilisation. Briquetting in the metal and recycling industry is a good example of how economic and ecological interests go hand in hand.”

www.crespeldeitersgroup.com

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