Profile: Kelvin Water Technologies is a water and waste water treatment company. Our effluent treatment plants are designed to treat both municipal and industrial effluent, which consists of wastewater, sludge or sewage. These effluent treatment plants are tailored to remove harmful pathogens, clear hazardous chemicals, detergents and toxins, and separate and extract valuable substances from effluent. Effluent can be treated in a numerous way depending on the level of treatment required. These levels are known as preliminary, primary, secondary and tertiary (or advanced).