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Biogas

— Architecture

A house for all seasons in a Chinese village

By - August 17, 2012 14 Pictures
China has set itself the goal of transforming half of its rural population of 700 million people into productive, comfortable members of urban conglomerations in the next three decades. Thus far, the process has moved along with a great deal of work for civil and mechanical engineers and the construction industry, but very little role for architects in the generically styled concrete and brick urban buildings. Award-winning architect at the University of Hong Kong John Lin and his associates believe that this process of urbanization also calls for a flexible approach to house design in rural areas. The result is a project that looks at the role of the stereotypic village house and attempts to propose a prototype which reaches toward contemporary living styles while respecting the functionality and traditions of the past. Read More
— Environment

Pilot plant converts fruit and veggie waste into natural gas for cars

By - February 9, 2012 1 Picture
Some readers might remember the Mr. Fusion unit in Back to the Future that Doc Brown fills with household garbage, including a banana peel and some beer, to power the iconic time-traveling DeLorean. While we're still some way from such direct means of running our cars on table scraps, researchers at Fraunhofer have developed a pilot plant that ferments the waste from wholesale fruit and veg markets, cafeterias and canteens to make methane, which can be used to power vehicles. Read More
— Environment

Loowatt creates energy and fertilizer from human waste

By - May 2, 2011 8 Pictures
Of all the things that people traditionally discard, one that most of us likely think the least about repurposing is human feces and urine. Sure, we recycle our plastic and paper, and compost our fruits and veggies, but ... that stuff? Actually, there are various worldwide projects aimed at using municipal raw sewage for things such as fertilizer or a power source. While those projects only come into play once the waste has been flushed, however, the UK’s Loowatt system gets users involved from the bottom up (sorry), collecting waste directly from the toilet and using it to create biogas and fertilizer. Read More
— Environment

New fuel cell system produces grid electricity from natural gas

By - February 15, 2011 1 Picture
VTT, the Technical Research Centre of Finland, is currently field testing a prototype large-scale solid oxide fuel cell (SOFC) that the organization hopes will provide efficient, cheap grid power from natural gas and biogas. The VTT system is unique in that it uses a single 10 kW planar SOFC stack to produce a year’s worth of electricity for a typical apartment block. Read More
— Environment

Creating sustainable sanitation in the slums of Kenya

By - November 25, 2010 10 Pictures
It's estimated that around 2.6 billion people around the world make do without any sanitation, including more than 10 million in the slums of Kenya. Still more have to use thinly disguised holes in the ground. A group of MIT students have joined forces to try and create a sustainable toilet solution for those in need. They've developed a low cost, modular sanitation solution which would be operated and maintained by locals and the waste transported to nearby processing plants. Biogas produced from the waste will be used to create electricity and what's left of the human waste turned into fertilizer. Read More
— Environment

Four ways to turn an orange peel green

By - December 6, 2009 1 Picture
While studying the possibilities of waste recycling, researchers at a Swedish university have come up with an unlikely suspect for an alternative fuel source - the orange. Citrus waste is usually a complete write-off in the compost game because it contains an antibacterial substance which slows its breakdown, but the research team has discovered that these acidic skins have more uses than they receive credit for. Read More
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