biological purification water sewage treatment plant waste bubbles tank activated sludge industrial wastewaters process |
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| navigate by keyword : activated activating active bacterium basin biological biomass bioreactor clarifier cleaning compounds contamination coronavirus dirt dirty drain drainage environment excrement factory filter industrial industry infection odor organic outlet pipe plant pollution pool processing purification purify reactor recycling removal sanitary sanitation sars secondary sedimentation sewage sludge tank toxic treatment waste wastewater water |
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| 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, drain drainage pipe outlet under coming, Czech |
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