Ensilaged Marigold Dewatering Screw Press
Ensilaged Marigold Flowers Dewatering
Marigold flowers are widely used in the extraction of lutein, a natural pigment valued for its applications in poultry feed additives, nutraceuticals, and cosmetics. However, due to their seasonal nature and high perishability, marigold flowers are often ensilaged—a preservation technique in which the fresh flowers are fermented under controlled anaerobic conditions. While this allows year-round utilization, the resulting ensilaged mass is heavy, fibrous, and high in moisture, making it challenging to process further without proper dewatering.
Nature of the Material
The ensilaged marigold material has undergone partial fermentation, leading to a dense, semi-decomposed, and moist composition. The moisture content typically exceeds 75–80%, with significant bound and absorbed water due to the flower’s fibrous cellular structure. The fermentation also makes the mass slightly acidic and slippery, which needs to be considered during material handling and pressing.
Preprocessing & Feeding
The ensilaged material is generally stored in pits or silos and manually or mechanically fed into a hopper or conveyor system. In most applications, no shredding is required, as the fermentation softens the structure adequately. However, material flow aids may be needed depending on storage density and compaction.
Dewatering Using Screw Press
Our Dewatering Screw Press is designed to effectively handle this type of fibrous and partially fermented biomass. The high-torque, slow-speed screw press ensures consistent throughput and superior dewatering performance.
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