Stable denitrification through targeted addition of carbon sources
The right ratio of carbon, nitrogen and phosphorus is crucial for efficient nitrogen elimination. Denitrification is only stable if there is a sufficient supply of easily biodegradable carbon. Precise dosing technology and suitable carbon sources ensure discharge values, stabilise the process and reduce operating costs - even with fluctuating loads.
Dosing challenges
- Unfavourable nutrient ratios (C/N/P) and too little easily biodegradable carbon impair denitrification and can cause nitrate/NOx peaks in the effluent.
- Imprecise or insufficient dosing leads to incomplete denitrification, poorer effluent values and increased chemical consumption and operating costs.
- Safe compliance with limit values: stable N effluent values despite daily and seasonal peaks (industrial inflows, rain, temperature changes).
- Safe handling of media: Methanol and ethanol require an ATEX-compliant design.
The solution from sera
- Modular design: Adaptation to individual dosing requirements - from motorised diaphragm pumps and intelligent diaphragm pumps to ATEX-compliant multi-layer diaphragm pumps; suitable for indoor and outdoor installation.
- ATEX-compliant design: Safe use with flammable liquids such as methanol or ethanol.
- Robust materials: PVC, PP, PVDF or stainless steel - matched to the medium and ambient conditions.
- High level of safety: Reliable operation and stable processes thanks to leakage probe with building authority approval and integrated drip tray.
Precise carbon dosing ensures an optimum nutrient ratio, stable denitrification processes and consistently high effluent quality - efficient, safe and economical.
Suitable pump technology: peristaltic pumps for viscous carbon sources such as molasses as well as different pump types and performance ranges, customised to the respective requirements.
