Filtration

Filtration

SAFI Filter

Safe drinking water is essential to good health. However, in resource-poor settings, water often comes from unsafe sources and carries deadly pathogens. The World Health Organization estimates that 1.8 million people die each year from diarrheal diseases, many of which are attributed to unsafe water. Safe drinking water is one of the United Nations Millennium Development Goals—by 2015, the United Nations hopes to decrease ...more »

Submitted by (@susaneveoguya)

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Filtration

Reverse Brackish water Desalination compact system

The scarcity of water resources in Egypt and Africa represents the most formidable challenge for the pursuit of our ambitions for development as the available per capita water share is dropping below the threshold of water poverty. One of the major directions that Egypt needs to pursue is to work on developing additional resources, such as desalination of seawater and brackish groundwater. Because desalination of seawater ...more »

Submitted by (@marwashalaby4)

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Filtration

Utilization of Titanium Oxide in filters for Clay Water Pots

This involves modification of Titanium Oxide by incorporating other metals into it. Taking small portion of the mixed compound and incorporating it to the clay, molding a pot like filter out of it, drying and burning at high degree. When cool the clay pot is placed on top of a another pot or bucket and both placed in the sun where the energy released kills the micro-organisms or reduces the metal ions.Titanium oxide acts ...more »

Submitted by (@jamesoyim)

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1 vote

Filtration

Use of a clay-polymer nanocomposite for water filtration

This is a project I am currently working on for my Chemistry Honours degree. Using a clay-polymer nanocomposite for water filtration. It is well known that clay is a very abundant material especially in Africa, and it is also very cheap commercially.In comparison to activated carbon, clay is actually 20 times cheaper. Naturally clays are non-toxic and have very good adsorbent properties because of their already existing ...more »

Submitted by (@sandilemtetwa)

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2 votes

Filtration

super cheap natural and very easy method of filtering water

Despite few privilege persons in South Africa, who are able to spend on clean water others does not enjoy the right of clean water . Simply because ‘ they do not have access to a cheap, easy, method of filtering water .’ What I suggest, is a virtually, zero cost practical method which could use to filter water and purify it. Historically Boiling water is considered as the cheap, low cost, and practical method of cleaning ...more »

Submitted by (@osandanipunajagodaarachchi)

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3 votes

Filtration

Methods of water filtration

we need to install a collection tank for the raw water available. Install filters ranging from primary sand filter, magna sand filter, Softener filter and an activated carbon filter. In the case of the softener we use raisin and this is activated using common salt so as to reduce the hardness. The Activated carbon filter provides a large surface area for filtration thus giving rise to clear potable water. As a mechanical ...more »

Submitted by (@dennisevansxvi)

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2 votes

Filtration

Ozonation of Drainage water for Drinking and Gardening

Ozonation of Drainage water for Drinking and Farming What is ozone? Ozone (O3), also known as activated oxygen contains three atoms of oxygen rather than the two atoms we normally breathe .Ozone is the best of nature's tools for cleaning the air, a unique and natural phenomenon that helps us in many ways. The ozone layer around the Earth protects us from the harmful UV rays of the Sun. The ozone in our atmosphere also ...more »

Submitted by (@randolphm)

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3 votes

Filtration

Water filter solution

In Relation to most filtration methods, water is carefully introduced to one side of the filter, which acts to block the passage of anything larger than the pore size, typically bacteria, protozoa, and microbial cysts are removed Ceramic water filters may be treated with silver in a form that will not leach away. The silver helps to kill or incapacitate bacteria and prevent the growth of mold and algae in the body of ...more »

Submitted by (@bhoke0)

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3 votes

Filtration

AVAILING LIFESTRAWS AT A FREE COST

The Lifestraw is a small cigar-shaped tube packed with some truly innovative engineering. This clever design purifies water from potential pathogens like typhoid, cholera, dysentery and diarrhea – all before they reach your lips. The Lifestraw is an inexpensive way to deliver potable water to those in need, and it is considered an icon of humanitarian product design – it was included in Cooper Hewitt’s Design for the ...more »

Submitted by (@mattderrick)

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3 votes

Filtration

The watershop opportunity

It is part of something I came accross which i think is a brilliant idea. Pls see below A Socially Responsible, Environmentally Sound and Economically Profitable Business Model . Today, more than 1.1 billion people worldwide do not have access to clean drinking water. Mainly poor people living in remote communities in developing countries suffer from contaminated water. In order to achieve the UN Millenium development ...more »

Submitted by

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3 votes

Filtration

some ways of low cost

Bamboo charcoal In this spin on the charcoal filter, a team of E4C members in Bangalore propose a filter made of locally available materials including charred bamboo, gravel and natural adsorbents. "The process we propose is indigenous, eco-friendly, low cost and entails minimum maintenance," the team writes in their workspace. They estimate that their filter can handle 30 liters of water per hour, and it would be affordable ...more »

Submitted by (@oseiagyare18)

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3 votes

Filtration

low cost ways to treat water

Everything-but-the-sink portable filter This portable filter design proposed in response to a call for better water filtration at taps in India uses chlorine, silver beads, activated charcoal and sand. Honeybee Network posed the original problem and an E4C member posted this solution. It includes a detailed guide to the specifications, materials and construction of a portable filter built from everything but the kitchen ...more »

Submitted by (@oseiagyare18)

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3 votes