021-27457- Iran, Tehran, Pasdaran, Fourth Neystan St, Building No. 7, Unit 2
The most common method of this aerobic treatment is activated sludge process, which has different types. This process is one of the main methods of treating human sanitary wastewater. You may be interested to know that this process was discovered by two British engineers in 1913.Despite the different types of methods of this treatment process,...
Biological treatment uses a variety of biological materials and bacteria that are suitable for residential and commercial areas. In this method, the circulating water is purified due to the presence or absence of oxygen. Aerobic wastewater treatment is divided into two types of adhesive and suspended growth. In suspended growth, there is a system in...
Chemical purification is much more complex than the physical method, and in this process, chemical coagulation and electrical coagulation are used. In this method, which mentions chlorine and ozone as the main reaction materials, purification is done with the help of ion exchange and pH adjustment. Chemicals prevent the reproduction of bacteria in water and...
There are important challenges for the development of the wastewater industry facing activists in this field. One of the points that can be mentioned is the infrastructure of this industry. Because most of the structures in this industry, due to being old, need new and up-to-date changes. Therefore, we need to overcome the problems ahead...
In line with the rapidly growing population, many lifestyle changes are taking shape. One of the aspects of human life that has been associated with significant progress is the change of water and wastewater treatment methods due to their considerable progress in all fields of industry and agriculture. Here we will briefly explain the types...
Oil skimmer or oil skimmer is one of the most important equipment in the wastewater treatment industry that is used to separate the oil surface on the water. By removing oil and oil layers from the water, this device has a great impact on improving the water quality of refineries, refineries and aquaculture ponds.The use...
Physical treatment is the first step in wastewater treatment, which uses UV and sedimentation methods, mostly used for industrial and factory wastewater treatment, which contains materials of heavy industrial and harmful materials. Depending on the type of wastewater, there may be fragments of tree leaves, sand and plastic parts in the fluid entering the treatment...
Wastewater pollution is caused by foreign substances that enter it and cause pollution and production of wastewater in a suspended or dissolved form. The higher the amount of these substances in the wastewater, the higher the pollution load. Therefore, measuring the amount of foreign matter in wastewater is the main key in determining the amount...
Types of wastewater are mainly treated and disinfected in three different ways, which include physical, chemical, and biological treatment.Physical purificationPhysical treatment is the first step in wastewater treatment, which is mostly used for the treatment of industrial and factory wastewater, which contains materials of heavy industrial and harmful materials. This method includes littering, granulation, sedimentation,...
Sewage is a waste product from various human activities that contains physical, chemical, and biological pollutants that can endanger the environment. Most of the wastewater is water, but there are other substances that vary depending on the type of wastewater, its concentration and amount of substances.Wastewater treatmentThe process of separating various pollutants from industrial and...
Iran, Tehran, Pasdaran, Fourth Neystan St, Building No. 7, Unit 2
Ministry of Power
Oil Ministry
Agriculture
Water and Sewerage Company