Reverse osmosis is a pressure-driven membrane separation process. Feed water is pushed across a semi-permeable membrane, producing purified water as permeate and a concentrate stream containing rejected material.
RO membranes are used where treatment systems need water purification, dissolved solids reduction, salt rejection, process separation or final polishing.
Alcedo supplies reverse osmosis membrane technology for facilities and project teams that need practical membrane solutions supported by technical understanding, internal testing, Australian technology development and manufacturing under ISO 9001 systems.
Reverse osmosis membrane performance depends on the membrane, the feedwater and the operating conditions of the process.
Key considerations include feedwater quality, dissolved solids concentration, suspended solids, pretreatment, operating pressure, flow conditions, temperature, fouling risk, scaling risk, cleaning requirements, recovery targets and permeate quality requirements.
Alcedo helps connect RO membrane selection with practical process requirements, including pretreatment, membrane protection, water quality targets and long-term system operation.

Resin technology for selective ionic removal, polishing, conditioning and water chemistry control.

Membrane filtration technology for suspended solids removal, fine particulate control and process protection.

Selective membrane technology for hardness reduction, partial salt rejection and refined water chemistry control.

Filtration products and media for particulate control, RO membrane protection and treatment system stability.