Cradle to Gate
Identity ID
b8af0c84-8f93-4af4-b5cf-bf1c7ab9dcb3
Waste treatment
Associated ID
fe66c5e6-98bb-48cd-85d5-0360b796f717
Included activities starts
Included activities ends
Description
This dataset represents the treatment of wastewater generated from typical transformation activities. The average COD content in domestic wastewater in Tianjin is 0.24 kg/m³, and BOD is 0.0782 kg/m³. The distribution of wastewater treatment processes in this region is as follows: A/O 53.38%, A²/O 26.93%, oxidation ditch 5.62%, modified A²/O 4.42%, MBR 3.92%, and others 5.72%.
Process Description
"Domestic wastewater" is wastewater generated from residential sources. It originates from a wide range of residential, industrial, and commercial activities. In the HIQ database, the treatment options for this wastewater include: wastewater treatment plants.
Domestic wastewater is produced by common transformation activities. It is generally considered waste (non-recyclable) and requires further treatment.
Domestic wastewater can be modeled at two levels: treatment activities and market activities. The former refers to specific technologies or technology mixes for treating this waste, while the latter represents a mixture of treatment processes. Two modeling approaches are available for users to choose flexibly. When making specific process assumptions about wastewater treatment, users may select specific technology treatment activities. Wastewater collection and transport are considered in their respective market activities involving sewer infrastructure; the conveyance of wastewater through sewer grates before entering the treatment plant leads to losses. Direct emissions resulting from these losses are accounted for within the market activities. These losses are region-specific, so users are encouraged to review the regional modeling assumptions.
Time period
2023
2026
Geography
China,Tianjin
Geography comment
The mean annual temperature (MAT) in this region is 12.658129993993 degrees Celsius, and the mean annual precipitation (MAP) is 624.377737938185 millimeters per year. In the wastewater treatment plant, 0% of the influent is lost due to pond evaporation, and 0.144% of the water is removed from the site through sludge treatment.
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
The process distribution is: A/O 53.38%, A²/O 26.93%, oxidation ditch 5.62%, modified A²/O 4.42%, MBR 3.92%, others 5.72%, with treatment combinations specific to Tianjin City.