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USP concurs: SnowPure’s experience says that heat sanitization should be between 72-80°C: Heat kills most bacteria at 60°C, and kills essentially all bacterial above 65°C. Two common protocols have emerged for sanitizing validated high purity water systems: 72°C for 30-60 minutes (bacteria killed in seconds) 80°C for 15-30 minutes (bacteria killed in milliseconds) SnowPure’s HTS … Read more
Visit us at USA Pavilion Stand 615 SnowPure Water Technologies is in the prime position in the USA Pavilion at the upcoming 2019 Aquatech Mexico Exhibition in Mexico City. Please stop by our booth to see Dr. Michael Snow (President), Janell Cedarstrom (International Sales Manager), and Eduardo Campos (Sales). Dr. Michael Snow will take to the … Read more
It’s June 2019 and we are exhibiting again at the largest water exhibition in the world — Aquatech China 2019. SnowPure is part of this, and you can find us in Hall 5, Floor 1, Stand H460. (5.1.H460). Electropure China, Electropure Environmental Technology (Shanghai) Co., Ltd., is again co-located with Shanghai Yuan Mai Environmental Technology. … Read more
In México, EDI (Electrodeionización) is used to produce pure and ultrapure water for both Generación de Energía y Farmacéutica (USP PW y WFI). SnowPure works in México with OEMs to choose technologies and processes that will enable good performance and long life for RO (OI) and EDI Electrodeionization (Electrodeionización). The primary challenge in México is … Read more
Measuring pH properly in pure and ultrapure water is difficult. pH is critical for process control and for preventing corrosion for example. pH of Ultrapure Water pH of Ultrapure water is 7.00. The only ions present are H+ and OH-, and since these must be in balance, the pH is 7. Don’t try to measure … Read more
Simplified, Value-Priced EDI A Complementary Technology to Portable Exchange DI (PEDI) EDI for Dealers is now a reality. Ultrapure water is a concern for water treatment companies who service critical applications such as Laboratory and Pharmaceutical. You must apply the right technology for your customers’ needs, while remaining competitive and realizing a reasonable profit. EDI … Read more
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
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) history extends back to the mid-1970’s in the USA. Possibly back to Argonne National Labs in the 1950’s as a scientific novelty. However, the first working EDI modules were made by Harry O’Hare in 1977 and 1978, and were tested by the Southern Research Institute (SRI). The concept was “filled-cell ED”, an attempt … Read more
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