Ammonium sulfate manufacturing plant

  • Chemical field
  • Iron and
    steel field

Overview

Tsukishima Kikai has several processes for manufacturing ammonium sulfate according to raw materials. These processes are: (a) the recovered ammonium sulfate method, by which ammonium sulfate is produced from sulfuric acid- or ammonia-containing waste liquid from by-products such as acrylonitrile (AN), methyl methacrylate (MMA), and caprolactam (CPL); (b) the by-product ammonium sulfate method, by which sulfuric acid is brought into contact with coke oven gas (COG) or other ammonia-containing exhaust gas, to obtain ammonium sulfate; and (c) the synthetic ammonium sulfate method, by which sulfuric acid is made to directly react with ammonia gas.
Tsukishima Kikai has know-how for manufacturing large-size ammonium sulfate crystals. Our ammonium sulfate manufacturing plant applies a DP (Double propeller) crystallizer or an Oslo crystallizer and, Escher Wyss push type centrifuge and fluidized bed drier. More than 50 plants have been installed delivered during last 50 years.

Fig: Flow of ammonium sulfate manufacturing
Flow of ammonium sulfate manufacturing

Related field & technology

Crystallization / Refining

Centrifuge

Drying

Chemical field

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