Water & Waste Water Treatment Solutions

Disc Type Reverse Osmosis (DTRO)

Disc Type Reverse Osmosis (DTRO)

Disc Type Reverse Osmosis (DTRO) system is a high-pressure membrane technology designed to treat wastewater containing high TDS, high organic loads, and difficult-to-treat contaminants. It is particularly useful in Zero Liquid Discharge (ZLD) plants, landfill leachate treatment, chemical and pharmaceutical industries wastewater, electroplating, and MEE concentrate reduction. Compared with traditional reverse osmosis, DTRO has wider channels, shorter processes, and high-speed turbulent flow characteristics, which can delay the occurrence of membrane blockage problems and increase the service life of the membrane.

The DTRO membrane and hydrofoil stacked together, with the center rod and the end plate fixed, and then placed in pressure casing, the formation of a membrane column. DTRO overcome the shortcomings of the general reverse osmosis system in the leachate treatment easy to plug, make the system more stable, lower operating costs. DT membrane column life of up to three years.

Key Features

  • Disc-type membrane configuration: Open hydraulic channels support the treatment of challenging wastewater.
  • High-pressure operation: Suitable for wastewater with high osmotic pressure, subject to membrane and equipment limits.
  • Reduced fouling risk: The open-channel design can reduce plugging and facilitate cleaning compared with conventional narrow feed channels.
  • Modular construction: Membrane modules can be arranged to meet required flow and recovery.
  • Concentrate reduction: Reduces the volume of liquid sent to MEE/MVR/ATFD.
  • Chemical cleaning capability: CIP arrangements can help restore performance when compatible with the membrane and contaminants.

Key Advantage

Minimization of membrane scaling and fouling: The DTRO system uses short feed flow path sand high-packing densities to minimize concentration polarization and physical flow impediments. Hence, the scaling and fouling are reduced while high energy efficiency is maintained.

Applications of DTRO

  • Leachate water treatment
  • Effluent treatment API, formulation plant & combined effluent from pharmaceuticals industry
  • Picking & oily waste treatment in steel industry.
  • Metal recovery waste recycle.
  • Tannery effluent treatment & recycling.
  • High cod/bod waste water treatment.
  • Backwash recovery and recycling.
  • Treatment and re use of leachate from landfills
  • Effluent treatment from textile and dyeing industries.
  • Common and combined effluent treatment.
  • Recycling of spend wash and bio machination.
  • Reject treatment from spiral RO plant.
  • DM plant waste recycling.

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