Task
Increasing the existing wastewater treatment capacities with our ALMA BHU BIO biological treatment plant in Pemuco, Chile.
Design data
Waste water volume:
- 120 m³/h
BHU services
- Planning and engineering
- Delivery
- Installation
- Commissioning of the biological treatment plant
Solution & implementation
The biological water treatment plant in Pemuco is specially designed to meet the requirements of the sugar industry. It combines modern technologies for the removal of chemical oxygen demand (COD) and nitrogen. The system comprises various phases of denitrification and nitrification, which are integrated in a cascaded tank with subsequent degassing and clarification.
Process description
- Denitrification:
- The wastewater is pumped into the denitrification tank and mixed with sludge from the sedimentation tank and with the internal recirculation from nitrification. Phosphorus and additional carbon sources are added as required.
- The denitrification unit ensures the reduction of nitrate in anoxic conditions.
- Nitrification:
- The water flows internally into the nitrification section, where the decomposition of organic substances in the water and the conversion of ammonia and organic nitrogen into nitrate take place.
- Part of the nitrification stream is returned to denitrification, while the other part overflows by gravity into degassing.
- Degassing and sedimentation:
- The degassing unit removes dissolved gases from the water and ensures improved sedimentation properties of the sewage sludge.
Process diagram of our ALMA BHU BIO system
Main components of the biological treatment plant: ALMA BHU BIO
Process description
- Temperature, nutrient and COD management: Optimization of biological processes through precise control of operating conditions.
- Combined denitrification and nitrification stages: Effective removal of nitrogen and decomposition of organic compounds.
- Degassing and clarification: Ensuring water quality by removing gases and solids.
- Sludge management: Efficient handling and disposal of the resulting sludge.
Conclusion
With a capacity of 125 m³/h and efficient process control, our ALMA BHU BIO represents an energy-saving solution for wastewater treatment. The project expands our international reference portfolio and underlines our extensive expertise in wastewater treatment for the sugar industry.
Special thanks go to the dedicated project managers at BHU in Leonberg for their outstanding work in planning and implementing the plant. International projects always involve a great deal of time for communication and travel for on-site inspections and commissioning. The careful planning and precise execution by the team in Leonberg were crucial to the successful completion of this project.
For more information about our solutions and services, please feel free to contact us at any time.
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