Wastewater and Sewage Treatment Station Price | Industrial Wastewater Treatment Stations

Wastewater Treatment Plants

The significance of wastewater treatment in the modern world

Wastewater treatment plays a crucial role in maintaining sustainable development and environmental safety in the modern world. Each year, the consumption of water resources increases, leading to a rise in the volume of wastewater. Untreated effluents pose a serious threat to the environment as they contain a wide range of pollutants, from household chemicals and pharmaceuticals to heavy metals and microorganisms.

Stringent norms and requirements for wastewater treatment have been established to minimize the harmful impact on nature and human health. Key parameters regulated by standards include biochemical oxygen demand (BOD), chemical oxygen demand (COD), nitrogen, phosphates, heavy metals, and other harmful substances.

Household wastewater and sewage treatment plants play a vital role in ensuring compliance with these standards. Investments in modern treatment facilities and continuous technological updates not only help preserve natural water resources but also enable the reuse of treated water, reducing overall water consumption and promoting environmentally friendly practices.

Main types of household wastewater treatment plants

Wastewater treatment plant

Household wastewater treatment plants are designed to purify effluents from various contaminants before the water is returned to natural water bodies or reused. The main types of such stations are mechanical and biological treatment facilities, each performing its unique function in the wastewater treatment process.

Mechanical Treatment

The first stage in the wastewater treatment system is mechanical treatment. This process involves the removal of large and heavy impurities, such as sand, gravel, plastic pieces, and other solid materials that could damage equipment or reduce the efficiency of subsequent treatment stages. Mechanical treatment is carried out using drum screens, sedimentation tanks, and grit chambers, which filter and separate solid particles from the liquid. This process is an integral part of treatment stations as it prepares wastewater for more advanced purification methods.

Biological Treatment

Biological treatment aims to eliminate organic pollutants such as fats, oils, proteins, and carbohydrates. Microorganisms are utilized in this stage to naturally break down organic substances in wastewater. Biological treatment methods can be either anaerobic or aerobic, depending on whether oxygen is required for the microorganisms’ life processes.

Aerobic systems employ activated sludge, where microorganisms, in the presence of oxygen, decompose organic components.

Anaerobic treatment occurs in the absence of oxygen and is often applied for processing highly concentrated wastewater, for example, in industrial settings. Biological treatment not only removes organic pollutants but also significantly reduces the content of nitrogen and phosphorus, preventing eutrophication of water bodies.

Modern household wastewater and sewage treatment plants combine various mechanical and biological treatment technologies for the most efficient removal of pollutants. The quality of treated water and its suitability for further use or return to natural water systems depend on the proper selection and combination of these methods.

Operation Principles and Structure of Sewage Treatment Plants

Household wastewater and sewage treatment plants are complex engineering structures designed to purify wastewater to a level safe for discharge into the environment or for further use. The operation of such plants involves several key stages:

Preliminary Treatment: Involves the removal of large suspended particles, sand, and other solid elements that could damage equipment or clog pipes.
Biological Treatment: Decomposition of organic pollutants in wastewater using microorganisms.
Subsequent Chemical Treatment: Removal of remaining pollutants, such as phosphates and nitrogen compounds.
Final Treatment: Disinfection and, sometimes, additional water quality improvement, for example, using ultraviolet or ozone.

Technological innovations and improvements in wastewater treatment systems play a crucial role in enhancing efficiency and eco-friendliness. Modern plants are equipped with:

Advanced aeration systems that provide optimal conditions for microorganism activity.
Ultrafiltration membranes for fine purification.
Artificial intelligence-based control systems that optimize processes in real-time.

These innovations not only improve the quality of wastewater treatment but also contribute to energy savings, reduced operational costs, and minimized environmental impact. Sewage treatment plants play a vital role in maintaining the health and safety of our water resources.

If you need to purchase a household wastewater and sewage treatment plant, contact “LET” company at ☎ +7 (495) 232-00-66. We offer a wide selection of treatment plants at affordable prices.