Essay on Water Pollution: Sources, Effects and Control of Water Pollution!
Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate.
Primary and secondary phosphates contain hydrogen and are acid salts. Secondary and tertiary phosphates, with the exception of those of sodium, potassium and ammonium are insoluble in water. Tertiary sodium phosphate is valuable as a detergent and water softener.
The primary phosphates tend to be more soluble. Phosphates, which are an important component to metabolism in both plants and animals, help in the first step in oxidation of glucose in the body.
Primary calcium phosphate is an ingredient of plant fertilizer. Phosphates have caused increasing attention recently. The focus is on the environmentally harmful effects in household detergents. Wastewater, from laundering agents, contains phosphates, which are said to be a water pollutant.
Providing an alkaline solution pH 9. Phosphorus compounds act as a fertilizer for all plant life, whether free-floating algae or more substantial rooted weeds, and are implicated in eutrophication.
Many countries control phosphate levels, whereas Switzerland has banned the use of phosphates. The marine environment is both fragile and more resistant than the terrestrial ecosystem.
It is fragile for the reasons that nutrients are generally present in very low concentrations, permanently consumed by living organisms and pollutants diffuse rapidly. Lakes and rivers are extremely complex ecosystems. Nutrients are taken up by both algae and rooted weeds. The weeds act as a shelter for fish larvae and zooplankton, both of which eat algae and are, in turn, eaten by larger fish.
Scientists have concluded that unpolluted lakes can absorb surprisingly large amounts of phosphates without uncertainty.
When a fertilizer, such as a phosphate, is added more algae will grow, and consequently will the populations of zooplankton and fish. Difficulties only arise when the lake is already impure.
Zooplankton are sensitive to their environment and many substances are toxic to them. If any of these substances, including phosphates, are present the zooplankton population cannot increase.
Adding phosphates to this polluted system will case algae growth. The floating masses cut off the light supply. Weeds die and decompose using up dissolved oxygen, and causing sulfurous smells and plagues. Deprived of shelter and food, the fish larvae starve. The lake is well on the way to catastrophe.
Without wetlands there would be a minimal amount of fresh drinking water due to the fact that wetlands filter the waters of our lakes, rivers and streams, sequentially reducing contamination of water. The plant growth in wetlands removes phosphates and other plant nutrients washed in from the surrounding soil, consequently restrictingFree essays available online are good but they will not follow the guidelines of your particular writing assignment.
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Essay Phosphates in Water Pollution Phosphates may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are acid .
Effect of water pollution Effects on Ecosystem Besides the inorganic nutrient input, with the inflow of the waste water most of them from factory, decomposition of organic wastes in river, plant nutrients such as nitrates and phosphates will takes place.
Read this Science Essay and over 88, other research documents. Phosphates in Water Pollution. Phosphates may be created by substituting some or all of the . Water Pollution Essay Examples. 69 total results. An Introduction to the Issue of Phosphates in Water Pollution.
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