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3 M front filter household water purifier? 1. the 3 m water purifier in the United States can be directly drunk.2. the water purifier is also called water purifier and water filter. The core technology of the water purifier is the filter film in the filter device. The main technology of the water purifier comes from two kinds of UF membrane and RO reverse osmosis membrane, it is a small water treatment equipment for deep purification of water quality according to the requirements of water use.Generally speaking, the water purifier refers to a small filter used as a household.3. the water purifier can be divided into many kinds according to different purification principles and processes.Among them, RO reverse osmosis technology has the highest filtration accuracy (filtration accuracy is 0.0001 microns), since the pore diameter of the reverse osmosis membrane is only one in 100,000 of the diameter of the hair wire, only water molecules and dissolved oxygen are allowed to pass through, all the impurities c
What is the use of air purifiers? The main role of the air purifier is,Filter harmful gases such as particulate matter, sterilization and formaldehyde removal.This is the principle of purification,Different Purification Principles have different purification effects. according to the working principle of air purifierThere are three main types: passive, active and active.According to the air purifier for the removal of particulate matter in the air,There are mainly mechanical filter type, electrostatic stationary filter type, high-voltage electrostatic dust collection, negative ion and plasma method.Mechanical filtration generally captures particles in the following four ways: direct interception,Inertia collision,Brown diffusion mechanism,Screening effect,It has a good effect on the collection of fine particles but has a large wind resistance,In order to achieve high purification efficiency,The resistance of the filter screen is large,Moreover, the filter screen needs to be dense to reduce its life,Regular re
How can the domestic sewage of the hotel be filtered and purified again without sewage discharge? Domestic sewage is the wastewater discharged from residents' daily life,Mainly from residential buildings and public buildings,Such as housing, institutions, schools, hospitals, shops, public places and industrial enterprise toilets.The pollutants contained in domestic sewage are mainly organic matter (such as protein, carbohydrates, fat, urea, ammonia nitrogen, etc.) and a large number of pathogenic microorganisms (such as parasite eggs and intestinal infectious diseases, etc ).The organic matter existing in domestic sewage is extremely unstable,It is easy to corrupt and stink.Bacteria and agents breed in large quantities with organic matter in domestic sewage as nutrients,Can lead to the spread of infectious diseases.So,Domestic sewage must be treated before discharge.[1] The most important domestic sewage is PH,Suspended matter,Chemical oxygen demand,Ammonia nitrogen,Total phosphorus,These values of residual c
