Gate to Gate
Identity ID
20861e5a-1bca-4bec-9eb6-ea112d0502b1
Process class
Associated ID
638ec008-8f46-46aa-8b74-d33579d19fe1
Included activities starts
Included activities ends
Description
The combined process of Upflow Anaerobic Sludge Blanket (UASB) and constructed wetland is an efficient wastewater treatment technology. In this integrated process, wastewater first passes through the UASB reactor, where microorganisms degrade organic matter under anaerobic conditions, generating biogas and achieving initial pollutant removal. The UASB reactor is widely used in treating high-strength organic wastewater due to its high efficiency in removing organic substances. Subsequently, the effluent enters the constructed wetland system, where microorganisms, plants, and the substrate work together to further remove pollutants such as suspended solids, organic matter, nitrogen, and phosphorus from the wastewater. Constructed wetland systems simulate the ecological functions of natural wetlands, using plant root systems, microbial metabolism, and the physicochemical actions of the substrate to deeply purify wastewater. This combined process fully leverages the high efficiency of UASB in removing organic matter and generating biogas, while utilizing the natural purification mechanisms of constructed wetlands for further treatment and purification of wastewater. Constructed wetlands can not only effectively remove various pollutants from wastewater but also reduce the wastewater temperature and increase its oxygen content through plant transpiration and substrate adsorption, thereby enhancing microbial activity and further improving wastewater treatment performance. Moreover, constructed wetlands can provide habitats for wildlife, enhance biodiversity, and offer additional benefits such as landscape beautification. Overall, the combined UASB and constructed wetland system is an effective wastewater treatment solution that integrates anaerobic and aerobic treatment technologies. By combining the advantages of both processes, it improves the efficiency and effectiveness of wastewater treatment, meeting various wastewater treatment needs and demonstrating bhighway application prospects, especially in rural areas and small-scale wastewater treatment.
Activity Description
The integrated process of UASB combined with constructed wetland first subjects wastewater to anaerobic digestion in a UASB reactor, followed by aerobic and anaerobic biological treatment in a constructed wetland, effectively removing pollutants such as organic matter, suspended solids, nitrogen, and phosphorus, thereby achieving advanced water purification. This combined process leverages the high organic removal efficiency of UASB and the ecological purification characteristics of constructed wetlands, reducing energy consumption while improving treatment efficiency, making it suitable for various wastewater treatment needs.
Process Description
Wastewater treatment services typically include four main aspects: pretreatment, primary treatment, secondary treatment, and tertiary treatment, ensuring the stable operation of the wastewater treatment system and compliance of the effluent water quality with regulatory standards.
Time period
2021
2026
Geography
China
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
This activity represents the treatment of wastewater using specific technologies in the WWT plant.