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Title
Biological purification of water sewage treatment plant waste water bubbles tank, activated sludge industrial wastewaters process #177616405
Description
Biological purification of water sewage treatment plant waste water bubbles in the tank, activated sludge industrial wastewaters process using aeration and biology floc composed protozoa and bacteria, removal organic contamination of nitrogen and phosphorus compounds, water pollution waste dirt dirt and odor danger of infection eg coronavirus sars , Czech Republic, Europe