Engineering interpretation
Extraction fan
Maintains negative pressure at enclosed odor sources and moves the documented 15,000 m³/h design flow through the train.
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Odor exhaust treatment
Municipal wastewater
Guigang WWTP (Guangxi) — Case Study
Fans, scrubber, carbon, and biological tower train. Design ~15,000 m³/h; commissioned Jun 2023.
Published project parameters checked
This municipal wastewater odor-control project uses a four-part train: extraction fan, wet scrubbing, activated-carbon polishing and biological treatment. The catalog records the design airflow and commissioning month; pollutant-specific inlet and outlet measurements are not published.
Published project data
- Application
- Municipal wastewater treatment plant odor control
- Location
- Qintang, Guigang, Guangxi, China
- Design airflow
- 15,000 m³/h
- Published equipment train
- Fan + spray scrubber + activated-carbon box + biological tower
- Commissioning record
- June 2023
- Published test concentrations
- Not included in the source record
How the treatment train is configured
Engineering interpretation
Spray scrubber
Provides front-end conditioning and absorption for water-soluble or chemically reactive odor components.
Engineering interpretation
Biological tower
Provides biological degradation for compounds that are biodegradable under controlled moisture, pH and nutrient conditions.
Engineering interpretation
Activated-carbon polishing
Provides a final adsorption barrier for residual peaks or compounds not fully removed upstream.
Design and repeat-project checks
- The catalog confirms the airflow, equipment train and project month; it does not identify project-specific H₂S, NH₃ or odor-unit concentrations.
- For a repeat project, headworks, sludge-handling and enclosed-space airflows should be calculated separately before selecting the common fan duty.
- Carbon capacity and biofilter residence time must be checked against measured load, humidity, temperature and operating variability.
Evidence boundary
Airflow, configuration and commissioning month are taken from the company project catalog. Because no signed performance report is included, the page does not state a project removal percentage or measured outlet concentration.
Source records
- Chinese project listing: Guigang Qintang WWTP
- Company project list, airflow and commissioning record (PDF page 21)
Evidence reviewed 2026-09-20.
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Installation photos
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