Laboratory water purifier is a kind of equipment used to produce high-purity water, which is widely used in medicine, electronics, chemical industry, glass, coating, boilers, laboratories and other industries.
The working principle and technology of laboratory water purifiers can vary according to different models and brands, but mainly include the following steps:
1.Influent pretreatment: The influent water is subjected to a pretreatment system, such as a particle filter, activated carbon adsorber, etc., to remove impurities such as suspended solids, chlorine and organic matter.
2.Reverse osmosis (RO): Reverse osmosis is carried out by pretreated water through a semi-permeable membrane. RO membranes have microporous pores, which can effectively remove ions, macromolecular organic matter, and microorganisms dissolved in water.
3.Ion exchange: Ion exchange columns or mixed-bed resins are used to further remove residual ionic contaminants. This step provides water of higher purity.
4.Ultraviolet disinfection (optional): To ensure that ultrapure water is sterile and to kill microorganisms that may be present in the final purified water, ultrapure water machines may also be equipped with ultraviolet sterilization devices.
5.Final filtration (optional): Final filtration of ultrapure water to prevent bacterial recontamination.
In addition, some laboratory water purifiers will also use other technologies, such as electrodeionization (EDI), nanofiltration, ozone disinfection, etc., to further improve water quality and ensure water purity.
It should be noted that different models and brands of laboratory water purifiers may use different process combinations and technologies, so you should understand its detailed working principles and technical characteristics when choosing specific equipment.