It's no secret contaminated water can threaten the health of your laboratory and the validity of your research. Life science and analytical labs must have complete confidence that their point-of-use water systems will provide optimum water quality every time. Filtration technologies include reverse osmosis, distillation, ultrafiltration, microfiltration and particle filtration.
Whether you need Type I, II, or III water, we offer laboratory water purification systems that will meet your demanding specifications. See our line of pure and ultrapure water purification systems and services designed for scientists working in the pharmaceutical, clinical, academic, industrial, research, and government laboratories.
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Provide consistent, high quality drinking water to your laboratory animals year-round by using reverse osmosis combined with pretreatment filtration and post-treatment disinfection. The Edstrom Ultrafilter Water Purification System is a standalone unit that provides clean, filtered water for animal drinking water applications. Edstrom water treatment products help to destroy contaminants found in your incoming water supply and kill any that develop downstream.
Ultrafiltration offers a level of purification between particle filtration and reverse osmosis, removing viruses and bacteria, but not essential minerals. This point-of-entry water filtration mechanism removes contaminants as small as .01 Microns. For a greater level of purity, use the Ultrafilter with a reverse osmosis machine. It protects the RO membrane, increases RO efficiency, and reduces operating costs.
Edstrom water treatment options like the Chlorine Injector Station (CIS) maintain the recommended 2 to 3 parts per million chlorine throughout your automated watering system. This is effective for killing most pathogenic bacteria and viruses.
• Water treatment products help maintain low microbiological levels in a high purity water system.
• The Edstrom Ultrafilter removes over 99.99% of viruses and bacteria from incoming water supply providing safer, cleaner water.
• Ultrafilter’s self-flushing system reduces operating and maintenance costs.
• Compact Ultrafilter unit can be easily added to new or existing watering systems.
• Ultrafiltration and water treatment used in conjunction increase the effectiveness and consistency of your water quality program.
Water quality is too important to be overlooked! Edstrom has collaborated with a certified testing laboratory to develop a custom water test package designed specifically for animal research facilities. Edstrom will provide results in an easy-to-read colour-coded format with comparison to EPA safe drinking water standards along with recommendations to improve water quality in your facility.
Pre-treatment: Edstrom Industries offers several options for feed water treatment prior to RO membrane processing, which are largely intended to preserve the life of the RO membrane and the long-term system stability and operation. These options include carbon filtration, chlorination, pH adjustment, and on-line filtration. Source feed water quality and membrane type largely dictate the appropriate pre-filtration options.
RO Unit: The heart of the system is the RO membrane. Pre-treated water is forced through the membrane, separating out the purified permeate from the concentrate which contains the majority of contaminants found in the original feed water. From the RO, the permeate is funnelled from the membrane to storage tanks for distribution to animals. Throughout this process, the system continuously monitors the water-making process and the permeate quality, ensuring that only the highest quality water passes into the storage tank.
Post-Chlorination: While chlorine must be removed from the inlet (feed) water before it enters the membranes, post-treatment water chlorination can be used to prevent bacteria growth in the storage tank. The permeate can be chlorinated up to 10 ppm. Edstrom recommends chlorinating at a level of 2 to 3 ppm. Chlorination is accomplished with a chlorine injection pump and a solution tank filled with diluted bleach. The chlorine injection pump automatically operates when water is flowing into the storage tank. Post chlorine is injected between the machine’s permeate water outlet and the storage tank inlet.
Storage and Distribution: The permeate passes to a sealed storage tank where it is stored until it is distributed through rooms for animal consumption. These tanks may range from 90 - 500 gallons in size and, depending on water consumption patterns, some facilities may have multiple storage tanks connected to a single RO. The system is equipped with two distribution pumps that repressurise stored water for distribution throughout the facility.
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