What is the biggest problem with conventional sewage treatment? Treatment plants cost too much for governments in less-developed countries.,
What happens to treated sewage?
As sewage enters a plant for treatment, it flows through a screen, which removes large floating objects such as rags and sticks that might clog pipes or damage equipment. After sewage has been screened, it passes into a grit chamber, where cinders, sand, and small stones settle to the bottom.
How do sewage treatment plants create a solid waste problem?
Two common methods of disposing of solid waste from sewage treatment plants are transporting it to a landfill or spreading it onto agricultural lands. Describe an environmental problem associated with EACH of these methods. toxic substances in the waste can leach far down into the soil.
What is the biggest obstacle in establishing conventional sewage treatment in less developed countries?
What is the biggest problem with conventional sewage treatment? Treatment plants cost too much for governments in less-developed countries.
What is the leading cause of water pollution in the United States?
Around the world, agriculture is the leading cause of water degradation. In the United States, agricultural pollution is the top source of contamination in rivers and streams, the second-biggest source in wetlands, and the third main source in lakes.May 14, 2018
Which of the following is the most serious effect of water pollution for humans?
industries thermal waste following is the most serious effect of water pollution for humans.Apr 26, 2018
Which of the following stages of sewage wastewater processing is mainly a biological treatment using bacteria to breakdown the waste quizlet?
Aeration stage, where the aerobic bacteria digest the biological wastes in the wastewater. 3. Settling stage to allow any undigested solids to settle. This forms a sludge which must be periodically removed from the system.
What is are the main cause is threatening the global water quality quizlet?
By far the leading cause of water pollution. Sediment eroded from agricultural lands is the largest source, but also included fertilizers and pesticides, bacteria from livestock and food process, and excess salt from soils of irrigated cropland.
What is the leading cause of water pollution quizlet?
Agricultural activities are by far the leading cause of water pollution. Parking lots are a major source of point source pollution for rivers and lakes.
Which of the following sources of pollution would be the most difficult to track and regulate quizlet?
Nonpoint source pollution is difficult to regulate, because its source is difficult to track. Fertilizer in ponds or streams would most likely be considered point source pollution.