An industry must have its technical terminology. Have you learned the terminology of the water purifier industry? For people in the water purifier industry, the terminology must be understood clearly, because it can better engage in clean water. Industry, the following are 15 professional terms in the water purifier industry, let's spread it together.
1. Suspended matter in water
The suspended solids in water are particles having a particle diameter of about 0.1 μm or more, which are visible to the naked eye. These particles are mainly composed of sediment, protozoa, algae, bacteria, viruses, and high molecular organic substances, and are often suspended in a water stream to produce turbidity of water. Suspended matter is the main source of turbidity, color, and odor.
2. Colloidal substance in water
The colloidal substance in water refers to particles having a diameter between 0.1 and 0.001 microns. Colloids are a collection of many molecules and ions, including inorganic colloids such as iron, aluminum, silicon compounds, organic colloids such as plant or animal limbs that decay and decompose to form humus.
3. Dissolved substances in water
The dissolved matter in water is fine particles having a diameter of less than or equal to 0.001 μm. It is mainly various ions and gases of dissolved salts which are soluble in water and which are present in low molecular weight.
4, the turbidity of water
Since the water contains suspended matter and colloidal particles, the water which is originally colorless and transparent is turbid, and the degree of turbidity is called turbidity. Turbidity is the effect of impurities such as suspended matter, colloidal substances, plankton and microorganisms of different sizes, different relative densities, different shapes in water.
5, the hardness of water
The concentration of some metal ions in water, such as calcium, magnesium, iron, manganese, zinc, etc., generally the content of iron, manganese, zinc and other ions in water is small, can be omitted. The total concentration of calcium and magnesium is usually regarded as the hardness of water.
6, the water TDS value
TDS represents the total dissolved solids content in water, including dissolved salts in water, as well as organic matter. Solids in water are classified into soluble solids and suspended solids. Dissolved solids are various inorganic salts, organic substances, etc. that are still soluble in water after filtration. Suspended solids are those suspended in sediments, organic matter, microorganisms, etc. that are insoluble in water.
7. Residual chlorine in water
One of the processes used by the water company to treat tap water is to add liquid chlorine. The remainder of the reaction between chlorine and water and the reaction product are collectively referred to as residual chlorine, which is a carcinogen.
8, scale
Hard materials such as water, microbes, and colloidal rust adhere to the wall of the pipe or where it comes into contact with water.
9, PH value
Water has soluble alkalinity and acidity. If the two are equal, the pH of the water is 7, which can be considered neutral. Water having a pH of less than 7 is acidic. Excessive acidity can cause corrosion, discoloration, and odors in equipment.
10, acidity
The state of water having a pH of less than 7. Acidic water has a sour taste.
11, alkalinity
The state of water with a pH greater than 7 can be used to neutralize acidic water. Alkaline water has a bitter taste.
12, hard water
Water containing high levels of soluble calcium and higher levels of magnesium is commonly found in limestone areas and is expressed in grams per gallon of water. When heated, hard water produces scale, which can cause clogging of catering equipment such as coffee machines, ice makers and cooking equipment.
13, brackish water
English name brackishwater, alkaliwater, water with a basicity greater than hardness, and contains a large amount of neutral salt, PH value greater than 7. China's brackish water is mainly distributed in the northern and eastern coastal areas. There are more than 38 million people drinking brackish water in rural areas. Brackish water is mainly bitter and bitter, and it is difficult to drink directly. Long-term drinking causes gastrointestinal dysfunction and low immunity.
14, dissolved oxygen
Dissolved oxygen refers to the amount of oxygen dissolved in water, which is closely related to temperature, pressure, and biochemical action of microorganisms. At a certain temperature, the water can only dissolve a certain amount of oxygen at most, for example, at 20 ° C, the dissolved oxygen saturation value of distilled water is 9.17 mg / L.
15. Suspended solids
Refers to the amount of solid matter in the sewage that can be trapped by the filter. A part of the suspended solid can be precipitated under certain conditions. The determination of suspended solids is usually carried out by asbestos filter filtration.
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