|
Key Data Set Information
|
|
Location
|
SC-CN
|
|
Name
|
Municipal wastewater treatment ; Wastewater ; betwixt anaerobic and aerobic treatment
|
|
Use advice for data set
| When using this data set, ensure that your Life Cycle Assessment correctly distinguishes the separate impacts of the anaerobic and aerobic processes, as their environmental profiles differ significantly. Consider the potential for energy recovery from biogas in the case of anaerobic treatment and account for any possible emissions from both treatments. Additionally, if modeling the wastewater treatment as part of a larger system, consider the upstream and downstream impacts, including the treatment of sludge and the discharge quality. |
|
Technical purpose of product or process
| This industrial process involving both anaerobic and aerobic treatment units is used in wastewater treatment plants to break down organic pollutants. The anaerobic treatment processes biodegradable waste without the presence of oxygen, typically resulting in the production of biogas, while the aerobic treatment uses oxygen to convert organic materials into carbon dioxide, water, and biomass. |
|
Classification
|
Class name
:
Hierarchy level
|
|
| In the anaerobic treatment phase, anaerobic bioreactors such as anaerobic ponds or anaerobic fermentation tanks are employed, where organic matter is broken down into smaller organic compounds and gases in an oxygen-free environment. The aerobic treatment phase typically utilizes aerobic bioreactors such as activated sludge or biofilm processes, where organic matter and ammonia nitrogen are further oxidized by oxygen and aerobic microorganisms to meet discharge standards. |
|
Copyright
|
No
|
|
Owner of data set
|
|
|
Quantitative reference
|
|
Reference flow(s)
| |
|
Technological representativeness
|
|
Technology description including background system
| In municipal wastewater treatment, anaerobic and aerobic treatment processes exhibit the following technical characteristics:Anaerobic Treatment:Reactor Design: Anaerobic treatment typically employs reactors such as anaerobic ponds or anaerobic fermenters, providing an oxygen-free environment to facilitate the degradation of organic matter by anaerobic microorganisms.Operating Conditions: Under anaerobic conditions, controlling parameters such as temperature, pH, and influent organic matter concentration is necessary to ensure the activity and reaction efficiency of anaerobic microorganisms.Aerobic Treatment:Reactor Design: Aerobic treatment typically utilizes reactors such as activated sludge or biofilm processes, providing sufficient oxygen and suitable conditions to promote the oxidation of organic matter and ammonia nitrogen by aerobic microorganisms.Operating Conditions: Under aerobic conditions, controlling parameters such as oxygen supply, mixing rate, and dissolved oxygen concentration is crucial to maintain the growth and activity of aerobic microorganisms.Related Upstream and Downstream Processes:Upstream Processes: Include wastewater pretreatment, such as screening, grit removal, and sedimentation, to remove large particles and settleable solids.Downstream Processes: May include sedimentation, filtration, etc., to separate and remove biomass flocs and suspended solids, ultimately producing treated water that meets discharge standards. |