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The portable drinking straw was created by Vestergaard –  a global company innovating solutions that contribute to a healthier and more sustainable world – and filters dirty unsafe water to make it safe to drink. The straw purifies a minimum of 1,000 liters of water and removes 99.9 percent of bacteria and parasites through a unique filtration system. There are also high-capacity water purifiers for emergency preparedness and emergency response teams. Now available in steel instead of plastic.

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This startup Zero Mass Water uses solar power to create enough clean drinking water for two-to-three people or roughly 10 liters a day. The technology, called the Source Hydropanel runs on a pretty simple premise. Solar energy heats a sponge-like material to create condensation that is collected in a 30-liter reservoir. The water is filtered, and minerals are added to improve the taste of the water. Zero Mass is partnering with NGOs worldwide to provide clean and safe drinking water

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The nonprofit Water is Life in partnership with researchers at Carnegie Melton created an education and water filtration tool in the form of a drinkable book. Every page contains basic water and sanitation advice that is printed on scientific coffee filter paper that can be used to purify water and reduce 99.9 percent of bacteria. Each book – distributed in Ghana, Kenya, Ethiopia, and Haiti – can provide clean water for four years for a single person.

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Israel is a county that is made up of 50 percent desert and has been experiencing drought conditions for many years. It is no wonder that desalination – the process that removes salt and minerals from seawater – was pioneered there. The first plant was built in the 1960s and today 60 percent of the country’s domestic water comes from desalination from five large and 34 small plants. Three of the plants are partly owned by Israel Desalination Engineering (IDE) technologies, a world leader in the development and operation of desalination plants including 400 plants in 40 countries like China, India, Australia, and the US.

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In some places, groundwater supplies have been used up and entire villages and regions have a severe water shortage including the Sidi Ifni region of Morocco. But what this region has is an abundance of fog. That is why Dar Si Hmad, a nonprofit, has installed fog collectors on the slopes of Mount Boutmezguida in what is now the largest fog-harvesting project in the world. Around 6,300 liters of water can be harvested daily.

The process is not complicated, the mist is caught as it passes through a weave of large vertical nets and trickles into a collection system where it is filtered and mixed with groundwater. The water is piped into five villages to provide clean and safe water for 400 people. This technology is not new, but recent advancements have made it much more efficient. There are also fog catching systems in Chile, Peru, South Africa, Ghana, Eritrea, and California.

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In many places of the world, the problem isn't that there is not enough water but that the water is contaminated. In developing countries, 80 percent of sewage is discharged untreated into waterways. That's why Innovative Water Technologies developed water filtration systems like the SunSpring Hybrid a self-contained portable solar and wind-powered system that provides 20,000 liters of clean water a day for 10 years or more.

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6 New Technologies That Create Clean Water for a Thirsty World

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6 New Technologies That Create Clean Water for a Thirsty World

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UV water purifier use a high-power UV lamp that disinfects water and helps remove contaminants from water. UV water purifiers are ideal for purifying tap and municipal corporation water. However, UV water purification can’t remove dissolved impurities from water.

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Gravity based water purifiers are budget-friendly and don’t require power to operate. You can use gravity based water purifiers if the TDS level in your area is low. The water purifiers help in removing bacteria, dust and chlorine from water

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Reverse Osmosis Purifiers are ideal for areas that have high TDS level. RO water purifiers help in removing heavy metals, Flouride, Arsenic, and other toxic impurities from water. However, RO purifiers also help in removing some of the essential minerals from water, which makes it important to ensure that the water purifier has a TDS controller.

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There are different water purification technologies available in the market. Understanding the various water purifier technologies is very important in order to make the right decision. Depending on the water quality and budget, you can choose among RO, UV, and UF (gravity based) water purifiers. Here are some more details about the various technologies

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Reverse osmosis typically involves four stages of filtration: a sediment filter, pre-carbon block, reverse osmosis membrane, and post-carbon filter. The sediment filter removes the largest particles, like dirt, sand, and rust to prevent clogging of the subsequent filters. The pre-carbon filter uses activated carbon to prevent anything larger than a spec of flour from passing through as well as attracting and bonding with positively charged ions to prevent chemical compounds, like chlorine and chloramines, from passing through to the third filter. The reverse osmosis membrane then removes molecules heavier than water, such as sodium, high levels of lead, dissolved minerals, and fluoride. Finally, the post-carbon filter polishes the water.

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In reverse osmosis, an applied pressure is used to overcome the osmotic pressure and push the water from high concentration of contaminants to low concentration of contaminants. This means it’s being forced in reverse and the contaminated water is trying to move into the pure water, but because it must pass through a filter first, the contaminants get trapped and only the pure water passes through; resulting in the cleanest possible drinking water – which is exactly what we want

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Before we go into the details of how reverse osmosis works, we should start by explaining how osmosis works. As you may remember from your high school chemistry class, osmosis is the process by which water passes through a semi-permeable membrane from a less concentrated solution into a more concentrated one. In other words, the pure water passes through the filter to the contaminated water in order to equalize the concentrations – which is not what we want our drinking water to do. This movement generates osmotic pressure.

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Reverse osmosis (RO) is a water purification process that uses a partially permeable membrane to separate ions, unwanted molecules and larger particles from drinking water.