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| Author | : Municipal Environmental Research Laboratory |
| Publisher | : |
| Total Pages | : 300 |
| Release | : 1977 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : Municipal Environmental Research Laboratory |
| Publisher | : |
| Total Pages | : 380 |
| Release | : 1977 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : T. L. Meinholz |
| Publisher | : |
| Total Pages | : 376 |
| Release | : 1979 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : Donald G. Mason |
| Publisher | : |
| Total Pages | : 172 |
| Release | : 1972 |
| Genre | : Combined sewer overflows |
| ISBN | : |
The report documents a study to develop a treatment system for combined sewer overflows. The processes of chemical oxidation, screening, dissolved-air flotation, and disinfection were evaluated in the laboratory. A 5 MGD demonstration system was designed, installed and evaluated. Suspended solids and volatile suspended solids removal in the range of 65-80% were consistently obtained at influent concentrations of 150 to 600 mg/l. BOD and COD removals were slightly lower at 55 to 65% for influent concentrations of 50 to 500 mg/l. Addition of chemical flocculents (ferric chloride and a cationic polyelectrolyte) was necessary to obtain these removals. Without the use of chemical flocculents, removal of BOD, COD, suspended solids, and volatile suspended solids were all in the range of 40-50%. The screening flotation system provided sufficient detention time (difference 15 minutes) for adequate disinfection with hypochlorite salts. Cost estimates are presented.
| Author | : Municipal Environmental Research Laboratory |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1977 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : États-Unis. Environmental Protection Agency. Office of Research and Monitoring |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1972 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : U.S. Environmental Protection Agency |
| Publisher | : BiblioGov |
| Total Pages | : 178 |
| Release | : 2013-11 |
| Genre | : |
| ISBN | : 9781294251514 |
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.
| Author | : |
| Publisher | : |
| Total Pages | : 244 |
| Release | : 1975 |
| Genre | : Combined sewers |
| ISBN | : |
| Author | : T. L. Meinholz |
| Publisher | : |
| Total Pages | : 358 |
| Release | : 1979 |
| Genre | : |
| ISBN | : |
| Author | : U.S. Environmental Protection Agency |
| Publisher | : BiblioGov |
| Total Pages | : 304 |
| Release | : 2013-10 |
| Genre | : |
| ISBN | : 9781293120828 |
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.
