Dry Processing
Processing in the Concentrated Phase
LIST Kneader Reactor systems are extremely robust, and therefore capable of processing highly viscous, pasty, and solid products that pass through sticky and crust-forming phases with little or no use of solvents.

Traditional chemical reactions, including those that may change phases during the reaction, often require solvents or diluents to reduce viscosity and promote heat transfer. This is especially crucial when dealing with highly viscous, sticky materials. The solvents must then be removed during the final stages of the process, recovered, purified or possibly disposed of as toxic waste.
Dry processing allows for chemical processes to occur with little or no use of solvents or diluents. LIST technology is especially suited for this type of processing. The LIST Kneader Reactor is a unique solution for processing in the concentrated phase with little or no solvents.
Eliminating the need for solvents significantly cuts solvent handling costs and improves operating efficiencies. Cost savings are achieved through material and energy savings, smaller more compact plants, optimum use of raw materials, and reduction of waste handling.
Dry processing also has wide benefits for the environment. The reduction or elimination of solvents produces less toxic materials resulting in a cleaner production environment.
Dry Processing - Processing in the concentrated phase without the use of solvents.
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