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What are the Most Common Elements Removed by Sewerage Treatment Systems?

25 January 2022

Different types of buildings and structures are expected to generate a huge volume of wastewater every day. Hence, they maximise systems that would help get rid of the said type of water. One of the systems that they typically utilise is the sewerage treatment system.

Sewerage treatment systems are systems that are comprised of components designed to address wastewater treatment requirements of properties. Some of the functions of these systems include handling process variations in contamination and flow, regulating variations in water chemistry needs, and controlling possible changes in water effluent requirements.

Another function of sewerage treatment systems is to remove elements that can be found in wastewater. Some elements that these systems remove are as follows:

Biochemical Oxygen Demand

Biochemical oxygen demand is the amount of dissolved oxygen required by aerobic biological organisms in breaking down organic matter. If a high level of biochemical oxygen demand is needed in a property, it means that a high concentration of biodegradable material is present on the wastewater, which can be dangerous in the environment once the material turns into faecal waste or fertiliser runoff.

Metals

Another element that sewerage treatment systems often remove and eradicate is metals. Properties that are involved in manufacturing processes often release wastewater that has high concentrations of metals. Without eradicating metals from the wastewater, they can eventually damage the environment and people’s health as they only accumulate and do not break down.

Nitrates and Phosphates

Wastewater that is bombarded with large amounts of nitrates and phosphates can be toxic to the environment as they only contribute to the growth of weeds, algae, and phytoplankton. As these things grow and spread in the wastewater, they will only lead to eutrophication or the deoxygenation of bodies of water, which can ultimately kill organisms and lead to environmental dead zones.

Pathogens

Pathogens are comprised of bacteria, fungi, viruses, and other microorganisms that often cause health issues to people. As these microorganisms enter the bodies of humans, they can easily cause acute sickness, digestive problems, and even death. These microorganisms can likewise cause the spread of diseases such as cholera, dysentery, salmonellosis, hepatitis A, and many more.

Synthetic Chemicals

A lot of cleaning and household products today are comprised of synthetic chemicals like diethylstilbesterol, dioxin, and other pesticides. While they are effective in carrying out specific functions in properties, they are typically composed of the previously stated chemicals that end up in wastewater. And as these chemicals accumulate, they can easily damage the environment and human health.

Total Dissolved Solids

Total dissolved solids are anions, cations, minerals, or salts that can easily cause problems with aquatic life. They can likewise affect crops and irrigation negatively.

Total Suspended Soils

Most organic and inorganic solid materials that are suspended in wastewater can easily harm aquatic life, especially if they are repeatedly used for a specific process. As these solid materials accumulate and grow in numbers, they can end up decreasing the oxygen levels in aquatic environments.

To know more about sewerage treatment systems, you can call us at Fairdinkum Technical Services.

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