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Our plant

Ammonium nitrate plants


We operate two world-class nitric acid/ammonium nitrate production facilities and a prill facility at our Kwinana complex.

Our plants have the following annual production capacity:

Plant Capacity
Ammonium nitrate plant 1 260,000 tonnes
Ammonium nitrate plant 2 260,000 tonnes






Nitric acid is created in the first stage of the ammonium nitrate production process. While most of it goes back into the production process, we also supply nitric acid to our industry customers. The finished product, ammonium nitrate, is predominantly used by the mining industry as an explosive in iron ore, gold and nickel mining.

After the ammonium nitrate has been prilled, it goes directly to our state-of-the-art storage warehouse via a conveyor system.

 

Production process


We produce porous prill ammonium nitrate in a three-step process:

 

 

  1. First, ammonia is reacted with oxygen from the air and absorbed into water to form nitric acid.
  2. The nitric acid is then combined with ammonia in a pipe reactor to produce ammonium nitrate solution.
  3. The ammonium nitrate solution is concentrated and sprayed into a prilling tower to produce dry prills.

We store the product at our Kwinana complex and distribute it by road to mine sites using purpose-built trucks or 1 tonne and 1.2 tonne bulk bags.

View a flow diagram of the production process. Click on the image to the right
Ammonia production process diagram

 

Ammonia plant


Our CSBP Kwinana ammonia plant is capable of producing up to 740 tonnes of ammonia per day.

The plant features a world-class environmentally-efficient design and refrigerated storage and loading facilities. We supply ammonia to our external customers and our CSBP ammonium nitrate business.

As well as ammonia, we produce carbon dioxide as a by-product. Carbon dioxide is used as a water treatment chemical in the food and beverage industry and in medical applications.


How ammonia is produced


The basic ammonia production process, known as the Haber process, uses natural gas, steam and air to produce ammonia in these steps:

 

 

 

 

 

 

  1. First, sulphur is removed from the natural gas.
  2. Natural gas and steam are then reacted at approximately 1,000ºC to produce carbon monoxide and hydrogen in a process known as primary reforming.
  3. The carbon monoxide and hydrogen are mixed with air to produce more carbon monoxide and hydrogen gas. The air also provides nitrogen for the subsequent synthesis of ammonia. This process is known as secondary reforming.
  4. The carbon monoxide is then converted to carbon dioxide and removed.
  5. Any remaining carbon oxides are converted to methane in a process known as methanation.
  6. Hydrogen and nitrogen are reacted over a catalyst to produce ammonia.
  7. The ammonia gas is refrigerated and converted to liquid for storage.

View a flow diagram of the production process. Click on the image to the right
Ammonium Nitrate production process

Want to know more or make a product enquiry?


Please contact us.

Ammonium nitrate facility at CSBP

Producing Ammonium Nitrate in Western Australia

Ammonium nitrate production personnel