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Key Data Set Information
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Location
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TH
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Geographical representativeness description
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Rattanakosin,Thailand
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Reference year
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2014
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Name
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Municipal wastewater treatment ; Wastewater ; Two-stage activated sludge technology
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Use advice for data set
| When using this dataset for Life Cycle Assessment, it is important to ensure that the boundaries of the assessment include the specific technological processes of the two-stage activated sludge system as implemented in Rattanakosin, Thailand in 2014. This process may exhibit unique characteristics due to its geographical and technological context, which should be accounted for in the LCA model. Users should verify that the data accurately reflects the operation of the two-stage activated sludge system for municipal wastewater treatment and that any assumptions related to scale, efficiency, and environmental impact are applicable to the assessment at hand. |
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Technical purpose of product or process
| The industrial process described pertains to the treatment of municipal wastewater using a two-stage activated sludge technology. This process is instrumental in purifying wastewater for municipalities before subsequent release into the environment or reclamation for other uses. Its applications are relevant and critical for urban infrastructure in managing and reducing the environmental impact of human activities. |
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Classification
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Class name
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Hierarchy level
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| Two-stage activated sludge technology is a wastewater treatment method that is typically used to treat wastewater with high organic loads. It divides the wastewater treatment process into two stages: anaerobic and aerobic. In the first stage, the wastewater comes into contact with sludge in an anaerobic environment, where some of the organic material is broken down into simpler organic matter. The second stage is an aerobic environment where microorganisms utilize oxygen to completely decompose the organic matter into water and carbon dioxide, completing the purification of the wastewater. This technology can efficiently treat high concentration organic wastewater and improve wastewater treatment efficiency. |
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Copyright
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No
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Owner of data set
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Quantitative reference
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Reference flow(s)
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Time representativeness
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Data set valid until
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2014
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Time representativeness description
| 2014年 |
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Technological representativeness
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Technology description including background system
| Two-stage activated sludge technology typically involves the following processes:Anaerobic stage:Wastewater first enters an anaerobic tank, where the organic matter in the effluent is decomposed by microorganisms under anaerobic conditions, producing some simple organic matter and gases, such as methane.Under anaerobic conditions, the organic matter is partially degraded, providing better conditions for subsequent treatment stages.Aerobic stage:Treated wastewater flows from the anaerobic tank into the aerobic tank, when the residual organic matter and nitrogen compounds contained in the water are oxidized under aerobic conditions.Under aerobic conditions, using oxygen, aerobic microorganisms continue to decompose and oxidize the organic matter in the sewage, while oxidizing ammonia nitrogen as nitrate nitrogen |