Biological Treatment
Biological Treatment
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Biological Treatment
Zirsakht Tadbir Arian (ZETA) Company is proficient in the implementation of biological wastewater treatment solutions designed to effectively address sewage containing organic matter, heavy metals, and diverse toxins. We offer comprehensive EPC and turnkey projects, encompassing both aerobic and anaerobic processes, as well as the integration of both methodologies into complex systems. Our expertise ensures efficient and environmentally responsible wastewater treatment tailored to the specific needs of our clients.
Biological treatment processes in wastewater vary depending on the specific wastewater characteristics. However, Zirsakht Tadbir Arian (ZETA) Company offers a range of fundamental and essential stages and processes, including:
MBR (Membrane Bioreactor) offers several advantages, including high-efficiency treatment, excellent pathogen removal, small footprint, and the ability to produce high-quality effluent suitable for reuse or discharge into sensitive environments. However, it can be energy-intensive due to the need for membrane aeration and maintenance.
A2O (Anaerobic-Anoxic-Oxic) is known for its efficient nutrient removal, making it suitable for meeting stringent nitrogen and phosphorus removal requirements. It also reduces energy consumption compared to fully aerobic processes, thanks to its anaerobic stage. A2O systems often feature a compact design, making them ideal for wastewater treatment plants with limited space. Additionally, they are flexible and adaptable for various types of wastewater treatment.
EAAS (Extended Aeration Activated Sludge) is recognized for its effective organic matter removal, providing stable and reliable treatment performance. It produces less excess sludge and requires lower energy consumption compared to more intensive aeration methods, making it a cost-effective and environmentally friendly choice for wastewater treatment, particularly in smaller facilities.
MBBR (Moving Bed Biofilm Reactor) is known for its robustness, ability to handle variable loads, and resistance to shock loads. It is also relatively energy-efficient compared to some other treatment processes. MBBR systems are often used in applications where space is limited or as an upgrade to existing treatment plants.
SBRs (Sequencing Batch Reactor) are known for their flexibility and adaptability, making them suitable for wastewater treatment in varying flow and load scenarios. They excel in nutrient removal, including nitrogen and phosphorus, depending on the specific configuration. SBRs also produce less excess sludge compared to conventional activated sludge processes, contributing to cost savings in sludge handling and disposal. Their intermittent aeration cycles make them energy-efficient and environmentally friendly.
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