Fertilizers (granulated, solubles)

With nearly 75 years of experience in the fertilizers industry and more than 300 plants worldwide delivered, COMESSA has established itself as the international specialist in the processing of granulated or crystallized fertilizers.

Since the 1950s, COMESSA has specialized in the design, manufacturing, erection and commissioning of equipment for use in the fertilizers industry.
The experience it has acquired in all the processes used worldwide enables COMESSA to meet the requirements of all fertilizer producers, all over the world.

Granulated fertilizers

COMESSA delivers equipment for this industry, all over the world.
In partnership with major engineering contractors and process licensors, COMESSA supplies usually detailed engineering, design, construction, technical assistance with erection, commissioning and after-sales service for equipment part of the granulation plant.

COMESSA designs and markets fertilizer equipment for the following operations:

  • Pre-granulation
  • Granulation
  • Drying
  • Lump breaking
  • Cooling
  • Coating

In the field of fertilizers, COMESSA has experience in very large-capacity plants. We have manufactured rotary tube dryers up to 5 meters in diameter, with capacity up to 860 T/h.

COMESSA offers following equipment:

  • Granulation :
    • Double shaft paddle granulator
    • Rotary granulator
      With accessories:

      • Internal rubber lining
      • Hammering
      • Internal ramp and support tubes
      • Etc.

    • Fluid bed granulator for urea

  • Drying:
    • Rotary dryer
    • Rotary spheroidizer

  • Cooling:
    • Granulated fertilizers can be cooled in a rotary tube or in a fluid bed.
      If necessary, COMESSA can supply the cooling air preparation unit, if it is necessary to desaturate this air in order to avoid the product from reabsorbing moisture.

  • Coating:
    • Rotary coater to limit sticking or moisture absorption
    • Rotary polisher to limit dust

Crystallized fertilizers

COMESSA designs drying and/or cooling plants for all kinds of crystallized fertilizers.

COMESSA offers the following equipment:

  • Drying:
    • Rotary tube
    • Vibrating fluid bed
    • Fluid bed with exchanger

  • Cooling:
    • Rotary tube
    • Fluid bed cooler
    • Fluid bed cooler with exchanger

  • Combined drying and cooling:
    • Rotary tube
    • Vibrating fluid bed
    • Fluid bed with exchanger

For these processes, COMESSA usually offers complete plants including:

  • Air preparation sets
  • Exhausting/dedusting removal systems using cyclones, filters or scrubbers
  • Any ancillary equipment (control panel, automation systems, etc.)
  • Energy recovery systems

Contact us

If the product you need to process is not in our list, or if you have particular constraints, we invite you to contact us. We remain at your disposal, should you need any assistance in defining your technological choices.

Our references

Engineering contractors:

Chemical Industry Engineering (CECO), De Smet Agro, Dragados, Ecophos, Evatherm, GEA, Hitachi Zosen, Jacobs Engineering, Jesa, Kaltenbach, Kawasaki Heavy Industries, Litwin, Mitsubishi Kakoki Kaisha, Sweco, Snamprogetti, Tebodin, Technip, Tecnimont, Toyo Engineering Corporation, Toyo Thai, TTCL Vietnam…

En users:

Agropolychim, Agronitrogenados Coatzacoalcos, Aliphos, Anwil, Asmidal, Bangladesh Chemicals, Cinis Fertilizer, CNCCC, DSM/Fibrant, Enfersa, EniChem, Evergrow, Fauji Fertilizers, Fertial, Fertimex, Fertinagro, Grande Paroisse, Groupe Chimique Tunisien, Grupa Azoty, HCPF, Industries Chimiques du Sénégal, Japan Vietnam Fertilizers, Indeco Kafue, Kavala, Kemira, Kermanshah Petrochemical Industries, Lifosa, Ma’aden, MDPA, OCP, Pec-Rhin, Petrokimia, Petrovietnam Ca Mau Fertilizer, Philippines Phosphates, Potasco, Reno, Roullier, Sabic, SCPA, Secma, Sica, Soferti, Taiwan Fertilizers, Technophos, Thai Central Chemical, Timac, Turkmenhimiya, Ube Chemicals, Yara, ZAT…

Medias

Rotary granulator.

Pilot rotary granulator coater.

Double shaft paddle granulator.

ASK FOR OUR BROCHURE

Ask for our technical equipment leaflets

GERMAN, SPANISH versions available upon request through our contact form.

Test laboratory

COMESSA has its own test laboratory covering more than 1,200 m² offering the possibility of carrying out feasibility tests and semi-industrial tests, for all its technologies.

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