Mono Ammonium Sulfate Granulation

Mono Ammonium Sulfate Granulation

 

The new patented process combines the advantages of high-value granular fertilizer with cost-efficient production. The process starts with ammonium sulfate solution, an industrial by-product occurring mainly in the production of caprolactam and in coal-burning furnaces. The ammonium sulfate solution is then processed in a fluidized bed granulator into solid granules.

This fluidized bed granulation technology is a new process that has been developed and tested on a laboratory scale and is currently operating in a 12 mtpd pilot plant. Based on this experience, plant sizes of commercially relevant size, i.e. several hundred tons per day can be planned and realized.

There is an increasing need of high purity and water-soluble fertilizer for fertigation and foliar applications. Your clients are more 
and more exigent and are looking for new products, which are 
fully water soluble and offer an efficient source of phosphorus and 
nitrogen. BJN has extensive experience in the design, manufacture and installation of a range of processing equipment for the 
fertilizer Industry. With more than 100 years of experience in crystallization, BJN is able to support you in the further development of your products with sophisticated taylor-made plant solutions, which are adapted to the specific composition of your merchant grade phosphoric acid (P2O5).

Our crystallization technology allows the control of impurities, thus guaranteeing the quality of the final product. Special features

• Fully water soluble MAP with low level of insolubles (< 0,1 % insolubles in water) to avoid  clogging problems on spray systems and pumps

• Free of chlorine, sodium and other detrimental elements for the plants

• Moderately pH-value (safer and less corrosive)

• Suitable for fertigation, foliar applications and production of fertilizer blends and nutrient  solution.

Types of crystallizers


The generation of fines that act as the seeds for new crystals and the removal of fines are the main processes that determine the size of the crystals that can be produced. There are three basically different types of crystallizers the forced circulation (FC), the turbulence or draft tube baffled (DTB) and the fluidized bed or Oslo crystallizer.

 

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BJN Engineering, Procurement and Construction group operating worldwide