Potassium Sulphate

The process to product potassium sulphate is based on the reaction between sulphuric acid (H2SO4) and potassium chloride (KCI) that takes place at high temperatures in the Mannheim type furnace.

Safety & Environment

Plant are designed in full compliance to the strictest safety and environmental standards and are developed using the Ballestra know-how experience of over 40 years in the design, supply and operation of chemical plants.


The process is based on the endothermic reaction between H₂SO₄ and KCI that takes place under temperature control in the Mannheim furnace. With K₂SO₄ production is associated the production of technical grade hydrochloric acid (HCI), obtained by quenching and absorbing the gas released during the reaction in multi stages abosorption towers.

The Potassium Sulphate Plant

The production facility is designed to produce 22000 MTY of potassium sulphate fertilizer and 25800 MTY of Hydrochloric Acid. The production facility comprises land area of 22,0000 square meters with major expansion plans to triple the production capacity. The plant has been designed with future expansion plan to produce 60000 MTD of Potassium Sulphate.


Fertilizer is a material that is added to the soil to supply one or more elements required for plant growth and productiveness.
NPK rating (or N.P.K.) is used to label fertilizer based on the relative content of the chemical Nitrogen (N), Phosphorus (P), and Potassium (K) that are commonly used in fertilizers.

Except for the N number, the number  for P and K do not reflect the amount of element phosphorus and potassium in the fertilizer. Rather they represent the amount of oxide in the form of P₂O₅ and K₂O that would form if all the elemental phosphorus and potassium were oxidized into this form.

NPK (Powder- Liquid – Suspended)

These are fertilizers blend in Powder, Suspension and Liquid Forms. These product are applied after being diluted with water as foliar sprays or with irrigation water through modern irrigation system such as sprinklers or central pivots.

NPK Formulation

Starter formulations with high phosphate analysis to promote root development. The product should be applied during the first weeks after planting or after start of new growth. In general apply 0.25 gram per liter of irrigation water.

NPK 15.30.15 NPK 12.36.12 NPK 12.42.12 NPK 10.52.10

Formula suited for vegetative growth during stages with higher nitrogen demand. In general apply 0.25-0.75 gram per liter of irrigation water.

NPK 30.10.10 NPK 18.18.18 NPK 19.19.19 NPK 20.20.20 NPK 20.10.20

Formulations with hither potassium content suitable during fruit development and ripening. In general apply 0.5-1 g/l of irrigation water.

NPK 15.5.30 NPK 12.12.36 NPK 10.5.40 NPK 15.15.30

Formulas suited during stages with high calcium need such as fruit development.

NPK 13.7.20 + 8CaO + 2MgO – NPK 14.7.28 + 5CaO