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Raw sewage contains organic matter that serves as a food source for bacteria. As bacteria consume the organic matter, they use up oxygen during the decomposition process. This results in a decrease in dissolved oxygen levels in the water where the raw sewage is discharged.

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1y ago

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Why raw sewage could decrease oxygen?

Raw sewage contains organic matter that can be broken down by bacteria, using up oxygen in the water during the decomposition process. This can lead to a decrease in oxygen levels in the water, potentially causing harm to aquatic life and disrupting the ecosystem.


What is the name for solid raw sewage that is a type of ocean pollution?

The name solid raw sewage is called a sludge


Which parts of raw sewage is a type of ocean pollution?

Raw sewage can introduce harmful pathogens, nutrients, and chemicals like heavy metals into the ocean, causing pollution. It can lead to oxygen depletion, algal blooms, and harm marine ecosystems and human health. Sewage also carries debris and solid waste that can impact marine life and habitats.


How do microorganisms help in sewage treatment plants?

There are two types of micro organisms at work in a sewage treatment plant., aerobes (oxygen needing microbes) and anaerobes (microbes that do not need oxygen) The anaerobes are mixed with the raw delumped sewage in aerated basins. They rat up the small particles and dissolved organic material present in the sewage to produce carbon dioxide and their own microbe bodies. The Anaerobes are stained out and the sewage is discharged to the effluent discharge. The removed aerobes are then put in the anaerobic digestor tanks where anaerobic bacteria eat them up creating methane which is collected to power the plant. Eventually all the bacteria in the digestor are consumed leaving inert materials.


What illness is associated with raw sewage?

Hepatitis


Is the solid part of raw sewage?

Sludge.


What can raw sewage do to the oceans ecosystem?

chesse


Is solid part of raw sewage?

Sludge.


Why is the discharge of raw sewage increasing in some parts of the world?

heavier rainstorms will frequently overwhelm portions of the region's sewage system and accelerate the spill of raw sewage into Burrard Inlet and the Strait of Georgia.


The process of purifying raw sewage is known as .?

Filtering


How is raw sewage different from sludge?

Raw sewage refers to untreated wastewater containing a variety of contaminants, including human waste, chemicals, and organic matter. Sludge, on the other hand, is a semi-solid residue produced during the treatment of sewage. Sludge has had some treatment processes applied to remove solids and pathogens from the raw sewage.


Within a confined space what hazards are potentially associated with the presence of raw sewage?

the potential for an oxygen-deficient atmosphere, a flammable atmosphere and biological hazards such as hepatitis, as well