HydroChem Italia S.r.l.

HydroChem Italia is located in the north of Italy, Pieve Vergonte (VCO), close to the border with Switzerland. The site is accessible by road and rail and is near to the Milano Malpensa airport.

HydroChem Italia is a preferred supplier of chlorinated aromatic products and specialty dichlorotoluenes mainly used in the agricultural and pharmaceutical markets. The company also owns two hydro-electric power stations that supply electricity to the chlorine electrolysis plant.
HydroChem Italia also produces some basic inorganic products such as Sodium Hydroxide, Sodium Hypochlorite, Hydrogen, Synthetic and Technical HCl used in many kinds of industries.

Site Overview

Focus technologies

  • Electrolysis
  • Chlorination
  • Liquid Chlorine management
  • Ring chlorination (chlorotoluenes and dichlorotoluenes)
  • Photochlorination
  • Catalytic Dealogenation
  • Cristallization
  • Distillation
  • Absorption

Production facilities


  • Volume: 90 m3 (continuous and batch reactors)
  • Size: 5 to 20 m3
  • Type: CS, Glass-lined, PVC
  • Temperature: 20 to 200°C
  • Pressure: Up to 5 bar


  • Volume: 800 m3
  • Size: 1 to 250 m3
  • Type: CS
  • Temperature: 100 to 200°C
  • Pressure: Vacuum to atmosferic

Special Equipment

  • Thermocombustion
  • Synthetic HCl unit
  • Water treatment units
  • Hydrogen compression unit



Chlorine, NaCl, Toluene, NaOH, NaClO, HCl 32% to 37%, pCT, oCT,
2,3 DCT, 2,4 DCT, 2,6 DCT, 3,4 DCT, PCBTC, DCBTC


HydroChem Italia is ISO 9001:2008 certified.


1915Founded by Ing. Bonauito Vitale
1922Acquired by SNIA, the business name is Rumianca
1970Rumianca is purchased by SIR
1982Became part of Eni Group, and changed its name to Enichem
1997Acquired by Tessenderlo Group and became Tessenderlo Italia
2013Acquired by ICIG, became part of WeylChem Group, renamed HydroChem Italia