Researchers at the Massachusetts Institute of Technology (MIT) are constantly proposing new methods for a host of objectives, including the treatment and purification of water mention an amazing article written by Matthew Holyday. Using plants to purify water is a novel system developed by engineers that open up new possibilities for drinking water. Keeping the water clean is a task that involves a lot of work. For that, usually, it resorts to substances such as chlorine that can even generate irritation in the eyes or on the skin when submerged.
From always the need to use clean water generated different methods to purify the water. To disinfect water, many ancient cultures used copper, iron or hot sand, in addition to heat. Herbs were often used infiltration, as well as amla, which is high in vitamin C, and khus.
The plants were sometimes used to purify water, such as the roots of the water lily and the seeds of the normal (Strychnos potato rum). In ancient Egypt, aluminum sulfate, iron sulfate or a combination of the two was used to extract suspended solids.
In Greece, a cloth bag, called go to site Hippocrates’ sleeve, was used to filter the water before boiling it.This method was from the Sanskrit manuscript called Susruta Samhita. He adds that ancient civilizations did not know about the tasteless toxins that can grow in water.
The main way to evaluate the purity of the water was through its clarity, taste, and smell. Now, the ways which can be used to filter water from plants?
http://jlt.net/portfolio/ Macrophytic plants
Macrophytic plants are a type of aquatic vegetation that may be attached to the bottoms or float on the surface. These plants serve to purify the water indirectly since, in fact, they are microbial bacteria that agglutinate in their roots those that purify the water.
go to site Macrophytic plants, besides being used as plants to purify water, have other possibilities of use as human food, livestock, fish and other aquatic animals or as fertilizer. They also have medicinal use, in cosmetology, cellulose production or even as a source of biogas production.
The macrofitas plants are used to purify the water. This innovative method of water treatment with macrofitas plants has enabled drinking water to 5,000 people.
The intention is to help minimize the incidence of diseases that are transmitted by water around the world simply by using a Macrofitas Plants; we will use it to filter the water.
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To avoid some drawbacks of rooted ones (like immobility), the filter has the roots, rhizomes, and part of the stem, submerged while the rest remains on the surface. The plants to purify the water must be autochthonous or at least that they can be adapted to the area where this water treatment system is implanted.
With these filters, both secondary and tertiary treatment of water is obtained; it also eliminates organic matter.
This system of aquatic plants is in the shallow ponds use for water filtration like floating or submerged aquatic plants. The most fully studied systems are those that use duckweed. These systems include two classes based on dominant plant types.
The first type uses floating plants and is distinguished by the ability of these plants to derive carbon dioxide needs from the atmosphere directly. Plants receive their mineral nutrients from the water.
Its seeds have flocculating properties (which group the particles) as well as coagulants that purify the water and reduce its turbidity.
Applied seeds at a rate of between 30 and 200 mg / L (FAO) can transform dirty or very dirty water for domestic use.
The proper effects of these plants affect the soil, water, and air. These plants can decompose toxic waste from, for example, organic waste, debris or unhealthy water; and act as natural filters by cleaning water from contamination.
The method of purification with plants allows avoiding or reducing the use of chemical products.
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