Technical Description
Upflow Anaerobic Sludge Bed (UASB) mainly transforms the organic substances (restores) into methane and CO² through the metabolic pathway of anaerobic microbial groups to achieve the purpose of removing organic matter concentrations such as COD and BOD in the removal of organic water concentrations in wastewater. Because the biochemical metabolism path of anaerobic microorganisms is different from general good oxygen microorganisms (activated sludge process, etc.), correlation characteristics such as the production of aeration, low energy consumption, low waste sludge output, and energy recovery and reuse ( marsh gas).
Obight treatment and anaerobic treatment comparison
Anaerobic biological system
- For every 1kg COD removal, about 0.5m3 biogas (contains about 0.35m3 methane gas)
- Every time 1kg COD is removed, SS with about 0.025 ~ 0.05 kg
- Bio-treatment volume load can reach 2 ~ 30 kg/m3-day
Aerobic biological system
- Every time you remove 1kg COD, you need to consume about 1kWh energy
- Every time 1kg COD is removed, the SS of about 0.2 ~ 0.4 kg is produced
- Bio-treatment volume load can reach 0.5 ~ 3 kg/m3-day
Applications
•
Remove TOC, COD
•
Removal of TMAH emission organic pollutants
Advantages
- Form granular sludge to effectively improve the sludge residence time and biological treatment efficiency.
- Biogas generated by anaerobic can be used for energy recovery power generation.
- It can be designed to process high biological load, low sludge yield.
- Suitable for processing high concentration organic wastewater.
- High tolerance for biological inhibitory substances.
- Can be designed high tower reactors to effectively reduce land space for land use space.
Next step
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