How does a waste water treatment plant treat the water?

Question

I heard they put the treated stuff in rivers and lakes.

Answer 1

Waste water treatment plants put the waste water through several steps to make it clean. The goal is to make it clean enough to return to a surface water system (stream, river, etc.) The steps include screening to remove large solids, adding beneficial bacteria to digest organic matter, aeration, and treatment with chlorine or ultraviolet light to kill harmful microbes. You can find more information at http://ga.water.usgs.gov/edu/wwvisit.html

Environmentally friendly waste water treatment involves constructed wetlands. The wetland plants remove harmful materials from the water.

Answer 2

The natural processes of the Earth is the best treatment facility there is. The effects and demands of humankind makes it almost neutral in a way.

Waste water treatment involves a number of variations on a common process. The waste is stored so that the solids can settle. The water is then removed from the top of the container while the sediment, or "sludge", remains to be processed for disposal in a landfill.

The water is then treated with chemicals that basically separate the contaminates from the water molecules so that they too can settle out in another holding container.

Many systems vary. Some places repeat the procedure because they handle a lot of volume, while others do it very effectively in smaller capacities.

The state or federal governments have the final hand in the process. They have plants that do the final process before discharging the treated water into the rivers or oceans.

Answer 3

a waste water treatment plant treats the waste water by three processes:physical ,chemical and biological.in the physical process,the suspended particles such as rags, trash which are not soluble are removed by screens.then they are led to the settling tanks where the suspended solids settle by gravity.if the waste water is from different sources chemical dosing is done by adding lime,alum and poly electrolyte to maintain the pH.then biological treatment of the waste water is done by microorganisms which degrade the complex organic matter into simple inorganic ones.when the required BOD and COD as prescribed by the pollution control boards(PCBs) is attained they are let into rivers.this is not harmful.nowadays reverse osmosis is being done to treat the water to drinking water standards and it is also used for gardening,lavatories and irrigation.

Answer 4

That is a study in itself. I've worked on some of their facilities, but I can't describe the process. But it's a hyper-intensive way of adding air, stirring the mixture, filtering it, settling the solids and so forth. In the end, the treated stuff is safe to discharge into a stream. It's kind of an accelerated rotting process.

Answer 5

ok here is a few education relating to the water therapy plant... How do therapy plant life look after our water? Wastewater therapy plant life: eliminate solids, each and every thing from rags and plastics to sand and smaller debris modern-day in wastewater; cut back organic and organic count and pollution--certainly happening effective micro organism and different microorganisms eat organic and organic count in wastewater and are then separated from the water; and, restoration oxygen--the therapy technique ensures that the water placed back into our rivers or lakes has sufficient oxygen to assist existence.

Answer 6

first its constantly stirred, and filtered many times and when clean to the eye it is treated with chlorine and tested again to be sure there are no massive ammounts of germs in it and then it is usually put back into the rivers and lakes to blend with natural water. its not put back into lakes and rivers without being considered as pure or more pure than the lake or river its going into and its arieated many times to put oxygen back into it.

Answer 7

No, they take all your sewage, clean, add tons of chemicals to it and put it back into the world as water. That's why we don't have a water shortage problem anymore!