Membrane Nitrogen

American Technology from Air Liquide – ALaS – MEDAL. Technology. Delivered by MVS.

Membrane Nitrogen Generators are the most economical and reliable way of producing high flow Nitrogen gas at your own premises and take control of your gas supply for your process.

Technical Facts

01

Flow Range

Membrane Nitrogen Generators are suitable for flows from as low as 1 nm3/hr. There is no upper limit to the flow rate and we can design a system as per your flow requirement. Membranes offer a modular architecture and hence we can achieve high flows simply by adding more membranes.

02

Nitrogen Purity

Purity from 95% to 99.5% is possible directly. Purity can be modulated simply by adjusting the flow rate. The higher the flow, lower the purity. This adjustment can be done by the user themselves.

03

Pressure

Our Membrane Nitrogen Generators can deliver nitrogen directly as high as 24 kg/cm2g pressure without an additional booster, making is suitable for applications requiring high pressure nitrogen. Though most customers will find a system offering nitrogen at 7 kg/cm2g pressure quite suitable. Pressure selection is important from an energy efficiency viewpoint.

04

Dew Point

Our Nitrogen Generators deliver very dry gas, with dew point of (-) 70°C. We also offer measuring instruments for online detection of gas dryness.

MVS Membrane Nitrogen Generator

 

How it works?

AMERICAN technology – Robust and reliable.

We are the technology licensees of Air Liquide ALaS – MEDAL. Air Liquide’s membrane technology delivers uncompromising performance within a compact design. By utilizing a proven polymer blend and advanced hollow fiber technology, Air Liquide Advanced Separations (ALaS) membranes generate an optimal balance of productivity and recovery for onsite nitrogen supply.

Membranes are made up of asymmetric hollow fibers comprised of a core which is optimized for mechanical strength and a sheath optimized for gas separation. A 12-inch module contains 0.5-1.0 million fibers, which laid end-to-end, would stretch for 750 miles. Membrane modules may contain over 1 million individual hollow fibers that are formed in cross flow and counter flow designs, allowing for flexibility in meeting all pressure drop and performance constraints. Bundles are designed with high performance fibers to allow operations at elevated temperatures and extreme pressures. This allows for higher membrane productivity, fewer membranes and lower system CAPEX.

MEMBRANES & AIR SEPARATION

MEDAL Membranes are made up of asymmetric hollow fibers comprised of a core which is optimized for mechanical strength and a sheath optimized for gas separation. A 12-inch module contains 0.5-1.0 million fibers, which laid end-to-end, would stretch for 750 miles. Membrane modules may contain over 1 million individual hollow fibers that are formed in cross flow and counter flow designs, allowing for flexibility in meeting all pressure drop and performance constraints.

Bundles are designed with high performance fibers to allow operations at elevated temperatures and extreme pressures. This allows for higher membrane productivity, fewer membranes and lower system CAPEX.

Nitrogen membranes separate gases by the principle of selective permeation across the nitrogen membranes wall. For nitrogen polymeric membranes, the rate of permeation of each gas is determined by its solubility in the nitrogen membrane material, and the rate of diffusion through the molecular free volume in the nitrogen membrane wall. Gases that exhibit high solubility in the nitrogen membranes, and gases that are small in molecular size, permeate faster than larger, less soluble gases.

Nitrogen Generator – Membrane

MEDAL hollow fiber nitrogen membranes are the most advanced in the world. The superior performance of MEDAL nitrogen membranes is derived from their high selectivity and high productivity, which are a result of the ability to produce nitrogen membranes with an extremely thin, defect -free separating layer.

“Fast” gases permeate through the nitrogen membrane wall more readily than “slow” gases, thus separating the original gas mixture into two streams. The purity of the desired streams can be adjusted by changing the operating conditions.

The ability of a nitrogen membranes to separate two gases is determined by their “selectivity”, the ratio of permeabilities of the two gases. The higher the selectivity, the more efficient the separation and less energy is needed to run the system.

APPLICATIONS

Our Membrane Nitrogen Gas Generators are widely used across many industries including:

  • Tyre filling (Automotive, Aircrafts, Dumpers, Mine Trucks)
  • Fuel Tank Inerting (Petrochemical Complexes, Chemical Factories, Aircrafts)
  • Autoclaves and Furnaces
  • Blanketing for many industries (adhesives, pesticides, agro, pharmaceuticals)
  • Fire prevention (cement, coal mines, mines)
  • Oil & Gas and Petrochemicals (Pigging, Blanketing, Headspace filling, Pipeline drying)
  • Laboratories (LCMS, Turbo Vap)
  • Offshore Platforms & FPSOs
  • Oil cargo ships and oil tankers

Enquire Now




Please prove you are human by selecting the Flag.



Facebook LinkedIn Vimeo