Our solution to high COD
The Chemical oxygen demand (COD) is a very important factor in terms of your plants water quality, it reflects the level of pollution and contaminants within the wastewater and the effect the water will have on the external environment. A high COD level causes a reduction in the level of Dissolved Oxygen (DO) available within the river water, which can be harmful to fish and other organisms relying on these bodies of water to survive.
COD indicates the amount of oxygen that can be consumed by the chemical organic material present in the water. This can be used to estimate the amount of pollution present in the water: the higher the COD, the higher the pollution in the water.
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high COD?
How does High COD impact your site?
Environmental
Monitoring levels of COD is important as it reflects the level of pollution and contamination present within wastewater.
COD can be removed through aerobic and anaerobic biological treatment, filtration, coagulation and flocculation to remove organic and inorganic materials.
COD levels within the wastewater is then at an acceptable level for discharge into the environment. This will prevent contamination in water supplies and environmental ecosystems.
Financial
There are set regulations in regards to COD in wastewater that need to be adhered by. All sites must comply with water discharge standards and failing to do so could incur costly fines and even plant closures.
Treating your wastewater could also be saving you money. By reusing treated water in other sections of the plant you can be saving money in both waste disposal and water supply costs.
Sustainability
Increasing the efficiency of your wastewater treatment process allows for your site to improve its sustainability both environmentally and economically.
Maximizing your plants resource efficiency, while also reducing you carbon footprint will optimise your operations.
Our solution to High COD
We understand that each site needs a bespoke water treatment system to fits the needs of their applications. VWT UK supplies advanced and integrated systems for water sustainability, which are designed to ensure maximum uptime of water services, while also being highly beneficial for the environment. Designing the most efficient system depends on the business, application and site, and factors related to both water and energy supply. Industrial effluents are diverse, containing different types and amounts of contamination, for this reason, the technology is designed to fit around the plants specific requirements, taking into consideration the regulatory and compliance standards specific to each market sector.
Veolia Water Technologies UK offers a range of tailored industrial wastewater treatment systems for all major industries, such as food & beverage, automotive, mining, pharmaceutical, petrochemical and power.
• Anaerobic wastewater treatment: breaks down organic contaminants using anaerobic microorganisms
• Aerobic wastewater treatment: breaks down organic contaminants using oxygen and aerobic microorganisms
• Clarification: removes suspended solids and flocs (particles) by allowing them to settle
• Evaporation: separates contaminants to produce distilled water or for solid recovery. Which incurs zero waste.
• Filtration: removes impurities using a semi-permeable membrane
• Dissolved Air Flotation (DAF): separates suspended solids, oils and grease from wastewater
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