MECO Biopharmaceutical | Products > Membrane Filtration > FAQs : water for injection, vapor compression, water purification, pure steam, usp purified water

water for injection, vapor compression, water purification, pure steam, usp purified water

> 1.
Why does MECO's VC still not need filtration in the pretreatment?

> 2.
Is filtration necessary in the feed to a RO unit?

> 3.
Is there any benefit to using Membrane Filtration instead of the standard multi-media filtration?

1. Why does MECO's VC still not need filtration in the pretreatment?

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MECO's VC still does not utilize a spray film evaporator. The natural circulation evaporator will not clog with small particles like the spray nozzles on the spray film design.

2. Is filtration necessary in the feed to a RO unit?

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Yes, small particulate mater will embed itself into the first element of the RO array. This will reduce the life of this element as well as increase the pressure drop through the RO unit.

3. Is there any benefit to using Membrane Filtration instead of the standard multi-media filtration?

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The Membrane Filter removes suspended solids down to .01 micron as well as other contaminants such as bacteria and some viruses. Multi-media filters (MMF) / cartridge filters will only remove suspended solids to approximately 1-5 micron. When feeding an RO unit, the MF system will significantly reduce the bio-fouling as well as reduce the SDI to below 1.

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