Publications by authors named "Zhi-Dan Nie"
Research of the aeration with bio-film technology was carried out to treat scenic water of a sanatorium in Beijing. The aim of the research was improving the water habitat by increasing the transparency and reducing the concentration of N and P. The equipments were set in a 5,000 m2 water area, which combined the plug flow jet aerator with the elastic biological filler.
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- Researchers studied three types of wetlands to see how well they cleaned the water from Lake Wulihu.
- The vertical flow wetland (VFW) was the best at removing harmful stuff like ammonia and total nitrogen, while the subsurface flow wetland (SFW) was better at removing permanganate index and chlorophyll.
- Overall, VFW and SFW are much better than free surface wetland (FSW) for cleaning the water, and VFW is the top performer for ammonia and nitrogen removal.