Company cases about Drawer Grate Magnet & Slurry Electromagnetic Separator Solve Iron Removal Problems for Modified Starch Slurry

Drawer Grate Magnet & Slurry Electromagnetic Separator Solve Iron Removal Problems for Modified Starch Slurry

2026-06-13

A famous food raw material manufacturer in Barcelona, Spain, has an annual output of 80,000 tons of modified starch. The starch slurry is mixed with equipment wear iron and mineral magnetic impurities, causing excessive ash content in finished products and restricting market access to high-end EU food-grade fields.

The enterprise adopted a graded magnetic purification solution. A heavy-duty permanent drawer grate magnet is installed at the pipeline inlet to quickly intercept large iron particles and protect subsequent precision equipment. A high-gradient wet slurry electromagnetic separator is equipped in the refining process to adsorb micron-level weak magnetic impurities in the slurry.

After the renovation, the iron content of finished starch is reduced from 180ppm to below 25ppm, with all ash content indicators meeting EU standards. The product successfully obtained the EU E1422 food-grade certification. The equipment supports non-stop cleaning operation, cutting manual maintenance costs by 50% and greatly improving continuous production efficiency.

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