Wastewater Treatment ⁽¹⁴⁾

MF The filtration precision is generally 0.1-50 microns. Common various PP filter elements, activated carbon filter elements, ceramic filter elements, etc. belong to the category of microfiltration. Removes harmful substances such as bacteria from water. The filter element cannot usually be cleaned and is a…

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Features Printing and dyeing wastewater is the wastewater discharged from printing and dyeing factories that mainly process cotton, linen, chemical fibers and their blended products. Printing and dyeing wastewater has a large amount of water, 100-200 tons of water is consumed per ton of textile…

Characteristics Tanning wastewater is the wastewater discharged in the process of tanning production. Usually animal skins are salted or soaked with water to make them swell, lime is added, meat is removed and alkali is removed, then tannin or chromium is used, tanning is softened…

Features Paper-making wastewater is very harmful, of which black water is the most harmful, and the pollutants it contains account for more than 90% of the total pollution discharge of the papermaking industry. It also consumes a large amount of dissolved oxygen in water, seriously…

Dairy Wastewater Source & Characteristics Dairy wastewater is the wastewater discharged from the production of condensed milk, cheese, cream, dairy soft drinks, ice cream and dairy snacks. Wastewater mainly comes from cleaning water of containers and equipment, and the main components contain raw materials for…

Status of slaughtering wastewater pollution Slaughter wastewater mainly comes from slaughtering industries such as animal husbandry, poultry and fish. With the improvement of people's living standards in recent decades, the slaughtering industry has achieved unprecedented expansion and development, and the discharge of wastewater has also…

There are three main types of sewage discharged from alkaline papermaking: 1. The wastewater produced by cooking wood pulp (or straw pulp) is also called black water. 2. The sewage discharged from the pulp machine and the refining machine is called pulping wastewater. 3. The…

1. What is water self-purification? Self-purification of water body: The polluted river undergoes physical, chemical, biological and other aspects to reduce or transform the concentration of pollutants, and the water body is restored to its original state, or the original water quality standard is reduced…

As a kind of rotating equipment for conveying materials, centrifugal pumps are widely used in electric power, metallurgy, coal, building materials and other industries to convey slurry containing solid particles. Main Structure The main parts of centrifugal pumps are suction chamber, impeller and pressurized water…

The main characteristics of pig farm wastewater: high concentration of organic matter, high content of suspended solids, deep color, a large amount of bacteria, and high concentration of NH-N. Treatment Method: 1. Physical treatment The method can be divided into gravity separation method, centrifugal separation…

Circulating water: a system that uses water to cool the process medium is called a cooling water system. Cooling tower: a device that uses water as a circulating coolant to absorb heat from a system and discharge it into the atmosphere to reduce the water…

Dissolved matter: exists in water (or other solvent) solution in the form of simple molecules or ions. The particle size is usually only a few tenths to a few nanometers, which is invisible to the naked eye, and there is no Tyndall phenomenon. It cannot…

Domestic wastewater: mainly the discharge water produced by various kitchen water, washing water and toilet water used in human life, mostly non-toxic inorganic salts, domestic sewage contains more nitrogen, phosphorus, sulfur, and more pathogenic bacteria. Municipal wastewater: the collective term for sewage discharged into the…