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Case studies - Laundry powder

  • Essai
  • Plan d'accès

Main process steps:
Storage, pneumatic conveying, mechanical conveying, dosing, mixing, packing.

Laundry detergents contain several "agents" that perform a specific function. Industrial production lines ensure the storage, conveying, dosing and incorporation of the different components into the mixing line.


High-rate automatic bulk bag filling line for the export of natural soda ash

Treated powder : Natural soda ash - Automatic bulk bag filling line with buffer hoppers. Remote control system ensuring traceability and safety of the process.

Packaging line for washing detergents and detergent products

Processed powders: detergents and washing powders - Laundry powder packing - Packaging of powdered finished products in 40, 50 and 65 lbs. bags.

Detergent powder milling

Processed powders: sodium carbonate, acid... - Disinfectant packaging - Production line of cleaning products for the maintenance of livestock buildings.

Bulk solids supply to a manufacturing tank

Processed bulk materials: Benzotriazole and Tolytriazole - Incorporation of detergent products - The client is the Europe's leading supplier of household cleaning products and private brand toiletry...

Discharge of big bags of bleaching agents for tank feeding

Processed powders: optical brighteners (very volatile powder) - Washing powder premix - Installation for a European leader in private label detergents and hygiene products.

Laundry powder storage line

Processed powder: laundry powder - Washing powder - This company was looking for a storage solution for humidified laundry powder with an apparent density of 1.3.

Agents integrating recipes for laundry and detergent products:

- Alkaline compounds (increase the effectiveness of surfactants, borates, carbonates)
- Sequestrant agents (increase the effectiveness of detergents: citrates, metaphosphates, polyphosphates, zeolites, EDTA, NTA, phosphonates)
- Complexing agents (anti-redeposition agents) preventing dirt trapped by surfactants from redepositing on the laundry
- Enzymes degrading organic molecules 
- Bleaching agents (perborates, percarbonates, peroxides, sodium perborate, sodium percarbonate, hydrogen peroxide).  Their objective is the oxidation of colored molecules.

Powder & bulk materials handling solutions:

All the necessary ingredients (powder and/or liquid) are stored in storage silos or bulk bags. The formulation and production lines include material transfer (generally pneumatic and/or mechanical conveying) which allows the loading of the mixer. Intermediate hoppers provide weighing by loss in weight or gain in weight functionality. The integrated load cells perform the precise dosing to ensure that the formulation is respected. A line of micro-ingredients completes the detergent production line. After introducing all the bulk materials into the mixer, a spray (incorporation) of perfume in liquid form is performed. For powdered detergents, the industrial mixer is emptied while preventing material attrition and the segregation of the various blended particle sizes (particle segregation).

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