Case Studies
Xianyang Eastern Suburbs WWTP Upgrading and Renovation
Capacity: $200,000 m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X® diffusers: 9648 PCS
The Xianyang East Suburb Wastewater Treatment Plant, built in 2013, utilizes an advanced wastewater treatment process, the improved A2/O + fiber filter. With a designed capacity of 200,000 $\text{m}^3\text{/d}$, this project has increased the wastewater treatment rate in Xianyang from less than 10% to 90%, significantly improving the water quality in the Weihe River Basin.
Shenyang South Sewage Treatment Plant III
Capacity: 500,000m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X-9″-EPDM: 3400 PCS
The Southern Phase III Sewage Treatment Plant Expansion Project was completed in 2020 with a designed treatment capacity of 500,000 m³/d. It uses an improved A2/O process to solve the problem of “insufficient sewage treatment capacity”.
Municipal WWTP Upgrade Project | Jiangsu, China
Capacity: 90,000 m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X® diffusers: 9648 PCS
In 2024, HINKTON provided advanced aeration solutions for a municipal wastewater treatment plant upgrade project in Jiangsu, China. The project upgraded the treatment process with an improved AAO system, increasing capacity from 60,000 m³/day to 90,000 m³/day while enhancing oxygen transfer efficiency and operational stability.
Shenyang South WWTP Phase III Expansion Project | Liaoning, China
Capacity: 1300,000m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X-9″-EPDM: 3400 PCS
HINKTON supplied high-efficiency fine bubble aeration systems for the Phase III expansion of Shenyang South Wastewater Treatment Plant, supporting an improved AAO process and helping increase the plant’s total treatment capacity to 1.3 million m³/day.
Qianjiang WWTP Phase IV Expansion Project | Hangzhou, China
Capacity: 740,000 m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X® diffusers: 50,000 PCS
HINKTON supplied a fine bubble aeration system for the Xiong’an Reclaimed Water Treatment Plant in Hebei, China. With a Phase I treatment capacity of 150,000 m³/day, the underground facility supports municipal wastewater treatment and reclaimed water production for urban reuse and ecological applications.
Yuelu WWTP Project | Changsha, China
Capacity: 600,000m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X-9″-EPDM: 3400 PCS
HINKTON supplied high-efficiency fine bubble tube aeration systems for Yuelu Wastewater Treatment Plant, a 600,000 m³/day municipal wastewater facility in Changsha, China, supporting stable biological treatment with improved oxygen transfer efficiency and reliable aeration performance.
Kunming No.3 WWTP Aeration Upgrade Project | China
Capacity: 210,000 m³/d
Number of Tanks: 4
Water Depth: 6m
No. of Disk-X® diffusers: 50,000 PCS
HINKTON supplied fine bubble disc diffusers for the biological tank aeration system upgrade of Kunming No.3 Wastewater Treatment Plant. The project has a treatment capacity of 210,000 m³/day, supporting improved oxygen transfer efficiency and stable biological treatment performance.
Xiong'an Reclaimed Water Treatment Plant | Hebei, China
Capacity: 150,000m³/d
Application: Municipal Reclaimed Water Treatment
Technology: Fine Bubble Aeration System
HINKTON supplied high-efficiency fine bubble tube aeration systems for Yuelu Wastewater Treatment Plant, a 600,000 m³/day municipal wastewater facility in Changsha, China, supporting stable biological treatment with improved oxygen transfer efficiency and reliable aeration performance.
Harbin China WWTP Phase II Aeration Project | China
Capacity: 100,000 m³/d
Number of Tanks: 4
Water Depth: 6m
Aeration Solution: Fine Bubble Tube Diffusers
Supporting Sewer Network: Approx. 17.145 km
HINKTON supplied fine bubble tube diffusers for the biological treatment aeration system of Harbin Songpu Wastewater Treatment Plant Phase II. The project has a treatment capacity of 100,000 m³/day and forms part of the Phase II expansion together with approximately 17.145 km of supporting sewer pipelines, providing reliable aeration support for municipal wastewater treatment.
Puyang Second Wastewater Treatment Plant Phase II | Henan, China
Capacity: 50,000m³/d
Application: Municipal Reclaimed Water Treatment
Technology:Fine Bubble Tube Aeration System
HINKTON supplied fine bubble tube diffusers for the new aeration system of the plant’s Phase II expansion. Using a combined A²/O biological process, the expansion added 50,000 m³/day of treatment capacity and increased the plant’s total design capacity to 100,000 m³/day.
Yundong Wastewater Treatment Plant, Wujiang Economic and Technological Development Zone | China
Capacity: 100,000 m³/d
Number of Tanks: 4
Water Depth: 6m
Aeration Solution: Fine Bubble Tube Diffuser
A²/O biological nitrogen & phosphorus removal, linked with variable‑speed blowers for DO‑based aeration control.
Key achievement: Replaced old surface aerators; uniform oxygen supply for biotanks, stable effluent and remarkable energy saving.
100,000 m³/day Municipal Wastewater Treatment Project | Guangdong, China
Capacity: 100,000m³/d
Application:Municipal Wastewater Treatment
Technology:Fine Bubble Tube Aeration System
HINKTON supplied fine bubble tube diffusers for the plant’s new aeration system. Phase I treats 100,000 m³/day as part of the facility’s planned 200,000 m³/day capacity. The system supports stable biological treatment and reliable oxygen transfer.
Wuhan Linkonggang Wastewater Treatment Plant | Hubei, China
Capacity: 100,000 m³/d
Application: Municipal Wastewater Treatment
Technology: Fine Bubble Tube Aeration System
HINKTON supplied fine bubble tube diffusers for the plant’s new aeration system. Designed for a treatment capacity of 100,000 m³/day, the system provides stable oxygen transfer for biological treatment and is operating reliably.



