wastewater Archives – The Green Optimistic

Lithium-Ion Electrodes Made Alongside with Beer

Mila Luleva — Wed, 19 Oct 2016 17:40:39 +0000

Scientists grew electrodes for lithium-ion batteries in the water discarded during the process of beer production. The latest invention in the field of energy storage comes from a team of engineers at Colorado Boulder University. They managed to find a way to produce an electrode for lithium- ion batteries by using the wastewater, which is […]

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Researchers Find Alternative Way to Clean Oil Sands Wastewater

Annika Tostengard — Sat, 05 Dec 2015 07:44:08 +0000

Contaminants in wastewater left after drilling in Canadian oil sands can remain in the environment for years. It is an environmental pollutant and can also be harmful to human health. However, researchers at the University of Waterloo have come up with an alternative way to clean water left after drilling operations, and it is both […]

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Wastewater Disposal from Oil and Gas Industry Triggers Earthquakes

Mila Luleva — Mon, 07 Jul 2014 12:10:23 +0000

The rapid increase in the rate of earthquakes across the state of Oklahoma has been linked to wastewater disposal by the oil and gas industry in the region, according to a study by U.S. scientists published in Science last week. Injecting polluted water in underground wells, a common practice for wastewater disposal adopted by many oil […]

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NY’s Biggest Wastewater Treatment Plant Accepts Food Waste, Produces Biogas For Grid

Mila Luleva — Mon, 30 Dec 2013 19:18:34 +0000

New York City is about to become the proud owner of the biggest wastewater biogas plant, which will supply sustainable energy to the national grid, thanks to the Newtown Creek project. The new technology is a real breakthrough, which has the potential to convert 100% of the food waste and wastewater into gas, which is […]

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Scientists Use Recycled CDs to Treat Wastewater

Mila Luleva — Fri, 27 Sep 2013 16:03:03 +0000

If you are one of those people, who have a huge stash of old CDs and have no idea what to do with them, then you might consider donating them for a good cause to the team of scientists at National Taiwan University. The researchers engineered a device that makes use of the optical disks […]

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Improved Filter for Treating Olive-Processing Wastewater

Benji Jerew — Mon, 24 Dec 2012 21:17:58 +0000

Olives and olive oil have been touted for centuries as part of a healthy diet, benefits including lowering blood pressure and the risk of heart disease, as well as defense against certain types of cancer. In order for these products to make it to your table, though, a certain amount of processing is required, which […]

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Phosphine-Functionalized Resins Capturing Gold From Wastewater

Janina Lazo-Cruz — Wed, 31 Oct 2012 21:16:28 +0000

The extraction of toxic but valuable metals such as nickel, chromium, lead, and mercury, from wastewaters produced in various industries such as semiconductor and mining has been a serious challenge to these industries. Unlike the commonly used ion-exchange resins that bind with metals unspecifically, a newly developed phosphine-functionalized resins bind with metals selectively via coordination […]

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New Wastewater Treatment Plant From Siemens Saves Energy by Using Bacterial Heat

Ovidiu Sandru — Mon, 13 Aug 2012 18:09:41 +0000

Siemens has recently invented a new biodrying process that can convert sewage sludge into usable elements – all of this while saving a great deal of energy. Thus, their “mechanically enhanced biodrying” doesn’t require any external heat source, but produces its own with the help of the microbes in the sludge, which costs about 30 […]

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Big Spring Town, TX, Recycles Urine For Drinking Purposes

Mircea Sandru — Tue, 09 Aug 2011 17:11:03 +0000

Maybe inspired by The Adventures of Bear Grylls, some people in Texas started to recycle urine in order to fight drought. Big Spring, a town in Texas, has been going through the worst drinking water crisis lately, so, authorities decided to take advantage of every possible source of water to overcome this critical moment. John Grant, […]

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Self-Sustaining Wastewater Processing Plant Powered by Methane

Ovidiu Sandru — Mon, 25 Jul 2011 21:11:56 +0000

Siemens Water Technologies engineers have invented a technology that creates enough methane from purifying sludgy water to power the processes of a wastewater treatment plant. They even set up a pilot facility in Singapore.

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Bill Gates Funds Project That Produces Biodiesel and Methane From Human Sludge in Ghana

Ovidiu Sandru — Thu, 16 Jun 2011 15:56:17 +0000

Q: What do human poop, fuel cells, clean energy and Bill Gates have in common? A: a $1.5 million grant to Columbia University professor Kartik Chandran. He is to develop a "Next-Generation Urban Sanitation Facility" in Accra, Ghana along with Waste Enterprisers and the Kwame Nkrumah University of Science and Technology. The project will turn fecal sludge into biodiesel and methane. Gross, isn't it?

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SunPower Helps Sewage Treatment Plants Get Self Sustaining

Cristi — Mon, 11 Jan 2010 20:18:55 +0000

Wastewater treatment plants are usually packed with industrial-sized aerators, pumps and other machines that usually use a lot of electricity from the grid. But SunPower Corp. developed a solar power system for the West Riverside Wastewater Treatment Plant in Corona, California that is able to generate one-megawatt of energy

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NASA is Producing Biofuel from Algae Grown in Sewages

Cristi — Mon, 28 Dec 2009 19:41:12 +0000

NASA has recently been very interested not only in space exploration but as well in the rising energy costs and climate change. NASA Ames Research Center in Moffett Field, California, has developed a system of growing algae in waste-water for the biofuel production.

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Researchers Develop Method of Turning Sewage Sludge into Ethanol

Mike Sandru — Sat, 10 Oct 2009 07:18:06 +0000

According to the researchers this new method can reduce the amount of sludge processed by traditional treatment facilities and turn municipal solid waste into a green fuel.

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Cleantech`s Water Purifier Using Basic Physics Principle

Cristi — Tue, 17 Mar 2009 06:34:54 +0000

Water purification is not a myth anymore. It can become the reality we've always dreamed of and this with low costs.

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Wastewater Mixed With Petroleum Could Reduce Emissions by 84%

Cristi — Sat, 10 Jan 2009 20:22:32 +0000

Taiwanese scientists discovered that a new fuel can be made by combining industrial wastewater and petroleum oil. The new fuel's efficiency is increased by 14% and is a friendly way to treat industrial wastewater as well. The new fuel could eliminate the expensive treatment of industrial air emissions from boilers.

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