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SFC - Model C-Tech -Cyclic Activated Waste Water Treatment Process
The C-TECH Technology is an advancement of the sequenced batch reactor technology (SBR technology) for wastewater treatment. The difference to conventional SBR technologies lies in the application of an anaerobic selector, which suppresses the growth of bacteria that cause sludge bulking, and in the internal recyling of the biomass of a main reactor zone in this selector. A further feature that distinguishes the C-TECH Technology from conventional SBR technologies is simultaneous carbon oxidation and nitrification / denitrification in one basin. This allows for shorter cycle times as well as the omission of a separate denitrification cycle. Hence, no mixers for denitrification are necessary.
The process control by means of OUR (Oxygen Uptake Rate) determines time and intensity of aeration according to the degree of pollution in the wastewater, which results in economic operation of the plant i.e. low operation costs.
Due to a relatively high sludge concentration in the C-TECH basins the treatment level of the plant is also very high.
The C-TECH Technology requires a minimum of equipment, offers simple operation at low operation costs and hence is the optimum solution for municipal and industrial wastewater treatment plants.
Advantages
- small footprint
- small proportion of M & E equipment
- high treatment level for N and P
- suppression of bulking sludge
- great flexibility in load fluctuations at low operation costs
- low energy consumption (ca. 20 % less than conventional continuous flow systems)
Features
- nutrient removal
- carbon removal only
- simultaneous sludge stabilization
- nitrification at very low temperatures
- enhanced biological phosphorus removal
Industrial Applications
- especially, but not limited to
- beverage and food industry
- paper and pulp industry
- slaughterhouses
- chemical and petro-chemical industry
- pharmaceutical industry
- dairy farms