Fertilizers & Phosphates

Optimized Fertilizer Cooling

The Solex heat exchanger guarantees highly efficient thermal performance and ongoing reliable operation for cooling fertilizer without product caking.  The unit is designed for long-term operation without the need for regular cleaning as the unit prevents the formation of condensation and therefore product caking.

Each unit is custom designed taking into account:

• Type of fertilizer

• Required thermal performance

• Local ambient conditions

• Selection of optimum water temperatures

• Selection of optimum purge air flow rate and dewpoint to prevent condensation

Watch how the Solex heat exchanger works to cool fertilizer and phosphates:

Solex is a Trusted Partner, with over 25 years of experience in thermal processing equipment for bulk fertilizer products. With over 150 fertilizer reference plants, located in a wide range of climates, from dry and moderate to subtropical and tropical, for all types of fertilizer, including:

  • Ammonium Nitrate
  • Urea Prills
  • Urea Granules
  • NPK Fertilizers
  • PK Fertilizers
  • Phosphate Fertilizers
  • Ammonium Sulphate
  • Ammonium Sulphate Nitrate
  • Potassium Nitrate
  • Potassium Sulphate
  • Scotts® Turf Builder®
  • Sulphur Coated Urea


"The CAN [fertilizer] plant started up on June 5, and until now [September], the Solex cooler hasn’t needed cleaning yet and is working perfectly. [After one year of operation] the operators already forgot [about] the coolers.”

Gemlik Gubre Sanayii A.S., Turkey

For more detailed information on Fertilizer Cooling, download our product handout.

Refer to our cooling page to understand how the Solex heat exchanger works to cool Fertilizer.

 Why Choose Solex?
  • Reliable, long term operation
  • Maintenance and cleaning cycles match granulation plant maintenance schedule
  • Low power consumption
  • Use less than 90% less energy
  • No product caking
  • Zero product degradation
  • Near zero emissions 
  • Complete system: fertilizer cooler, water temperature control, purge air supply
  • Small installation footprint
  • Low operation and maintenance costs
  • Relatively low total cost of ownership compared to traditional equipment
  • International technical service support

We collaborate closely with you throughout the entire lifecycle of the product.
Our approach includes being there every step of the way – from engineering and development to installation, training and ongoing support.

Improve your efficiency, lower costs and improve your end product with the world’s most efficient technology for fertilizer.


Receive a fast, customized quote for your application project.  We will respond to your request within one business day.

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