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Spray drying
Drying
Spray drying
Spray drying
Spray drying
Spray drying
Spray drying
Spray drying

Spray drying

Drying

Description

Spray dryers from HECHT are continuous drying systems that convert liquids, slurries and suspensions via atomisation into a hot air stream into fine, dry and homogeneous powders in a single process step, with a contact time of less than 1 second. Thanks to this very short drying time, spray drying is particularly suitable for thermally sensitive products in the pharmaceutical and chemical industries, where quality and functionality must be preserved under precise temperature and pressure control (up to 200°C, fully variable). The spray dryers are available with an atomisation capacity of 10 to 50 litres per hour and a powder output of up to 50 kg per hour, with a completely closed atomisation and drying chamber for consistent particle size and structure. The system is GMP- and ATEX-certified for reliable performance with sensitive pharmaceuticals and chemicals, and is GMP Annex 1 (2022)-compliant and GAMP 5-validatable.

Thanks to the very short drying time, spray drying is particularly well-suited for heat-sensitive products, where quality and functionality must be preserved.

Our spray dryer is designed for pharmaceutical and chemical companies that require high-quality drying under vacuum. With GMP and ATEX certification, the system offers reliable performance for sensitive pharmaceuticals and chemicals. It is ideal for production processes where precise temperature and pressure control are essential.
Thanks to its very short drying time, spray drying is particularly well-suited for thermally sensitive products where quality and functionality must be preserved.

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Customer benefits

  • Fast drying: immediate conversion from liquid to powder
  • High product quality: preservation of properties in sensitive products
  • Uniform final product: consistent particle size and structure
  • Efficient process: a single step from liquid to final product
  • Flexibility: widely applicable across various industries
  • Scalability: from pilot to large-scale production

Frequently asked questions about spray drying

What is spray drying and why is it important for powder production?

Spray drying is instant drying of liquids/suspensions into powder via atomisation. It matters because: (1) contact time <1 sec, (2) high capacity, (3) fine particles, (4) closed process.

How many litres per hour can be atomised?

Compact: up to 10 litres/hour. Standard: up to 25 litres/hour. Industrial: up to 50 litres/hour. Scalable.

How short is the contact time in the drying chamber?

Under 1 second. Instant drying. Minimal product exposure. Integrity preserved.

How much powder output is achieved per hour?

Up to 50 kg/hour. Very fine powder particles. High bulk density. Excellent consistency.

Up to what temperature can the drying chamber be set?

Up to 200°C. Precisely adjustable. Fully variable range. Excellent temperature control.

Is the system GMP-compliant?

Yes. GMP Annex 1 (2022) compliant. GAMP 5 validation. FDA 21 CFR Part 11 approved.

How closed is the spray drying system?

Completely closed. Atomisation enclosed. Drying chamber enclosed. Cyclone filtering. Zero exposure.

How long is the operational lifespan?

Very long. Robust atomisation nozzle. Thermal insulation. 20–35+ years proven in operation.

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