Membrane Plants


PROTECNO designs and builds membrane plants for the treatment of primary, process and discharge waters. During the last years the technology of membranes has positively developed, it has become so convenient with low energetic consumption and excellent results, that most of the traditional technologies have been neglected. In fact, Protecno has also developed this division manufacturing hundreds of plants in numerous nations. The wide experience, and the manufacturing of important works, having excellent results, make Protecno be known as one of the important companies for this specific sector.


To build the membrane plants, Protecno utilizes the following technologies:

  • Reverse osmosis
  • Nano-filtration
  • Micro-filtration
  • Ultra-filtration
  • Special membranes


The membrane plants manufactured by Protecno are utilized for the following applications:

Primary waters

  • Desalination of brackish water
  • Desalination of sea water
  • Demineralization
  • Potabilization
  • Softening
  • Removal of nitrates
  • Removal of sulphates
  • Removal of boron
  • Removal of fluorine
  • Removal of Chloride
  • Removal of micro-pollutants

Process waters

  • Filtration pressed by watered-down solutions
  • Restoration of semi-precious metals
  • Restoration of precious elements
  • Pressed Filtration by juices and musts
  • Concentration of juices and musts
  • Treatment of sugar solutions
  • Treatment of solutions for the pharmaceutical industry

Waste water

  • Recycling of waste water
  • Filtration pressed by waste water
  • Concentration of waste
  • Plants “MBR” and “MBBR”
  • Treatment of oily solutions