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SnowPure Water at Aquatech Mexico September 2018

SnowPure Water Technologies was in the prime position in the USA Pavilion at the 2018 Annual Aquatech Mexico Exhibition. We discussed and showed electrodeionization (EDI), RO membranes for dealing with high silica feedwaters, DC power supplies, and pharmaceutical, laboratory, hospital and hemodialysis, and power generation applications. The 2017 exhibition was a success, and 2018 will … Read more

FCE is Important for EDI Electrodeionization System Performance

EDI, Why FCE is Important for Electrodeionization System Performance FCE is Important for EDI System Performance. Electrodeionization systems depend on conductivity, CO2, and Silica; all brought together by using FCE, or Feedwater Conductivity Equivalent. For an electrodeionization system to operate properly, the feed water must be high-quality Reverse Osmosis (RO) permeate. An RO permeate water … Read more

Electrodeionization (EDI) using Voltage Control

In electrodeionization, DC voltage is the force for driving ions out of the stream to be purified. Current is a result of the movement of ions. Both as a matter of physics and as a practical matter, SnowPure recommends using “Voltage Control” for EDI: set the DC voltage potential to the EDI system and walk … Read more

Electrodeionization is a Continuous Process

Unlike mixed bed DI, electrodeionization (EDI) is continuous. Because electrodeionization is continuous there are no spikes in quality as when mixed beds are changed for batch regeneration. An additional benefit for EDI users is that there is no concern about the timing of changing batches, or planning for the eventual breakthrough of ions in the … Read more