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Dumpster-Sized Generator Turns Trash into Power

Why pay some big company huge amounts of money to haul away your trash when you can turn it into free energy? IST Energy has figured out a way to fit a trash-gassification power plant into a unit the size of a large dumpster, and they're looking to sell it to hospitals, office parks and universities.

The process is fairly clean, because it gassifies the trash and combusts the gas instead of combusting the trash itself. Of course, the plant would still produce carbon-dioxide, but it wouldn't produce the pollutants that many trash-burning facilities currently produce.

Universities and office parks can pay as much as $200,000 per year just for trash removal. Once that's added to the potential energy savings, IST's energy units start to look pretty cheap, even with an $850,000 price tag.

Unfortunately, trash has to be sorted before it can be put into the system, however. Metal and glass don't contain energy like organics do, so they must be removed and recycled separately. But almost everything else you can think of can be gassified and used to the best place levitra online sales create energy.

Filling the unit with the maximum three tons of trash will produce about 120 kW of energy, and about twice that in heat. That power and heat is enough to power about 15% of the trash-producing building's energy needs.

Of course, it's never good to produce more trash, even if it is going to be used. In the end we're still burning trees (paper), other plants (food) and oil (plastic products.) But this is certainly a better use for this waste than having it sit in a landfill producing methane for the next thousand years.

Via CNet GreenTech


Telephone Poles to BioFuels

When we think of feedstocks for biofuels, generally we think of harvesting something (corn, switchgrass, etc) that we grew in a field. But there is cellulose in all kinds of things, from newspaper to banana peels to, that's right, telephone poles.

Canadian biofuel company Enerkem is looking for a plentiful, cheap and interesting source for it's cellulose, and they've decided that telephone poles might be a good bet. In fact, telephone poles are what biofuels companies are starting to call "negative cost feedstocks" or anything that you get paid to daily cialis take away.

Enerkem has a thermo-chemical process that turns wood into ethanol. And though old telephones are less ideal than new wood, because they contain various treatment chemicals, they're perfectly sutable for the process.

The plant will be turning old telephone poles into about 1.3 million gallons of ethanol per year after it goes online in a couple of months.

Of course, these negative cost feedstocks are only going to last so long, and won't be useful on a significant scale. But for helping cellulosic ethanol companies get their start and begin to scale up their solutions, they're perfect.

Via Earth2Tech


Ethanol Pacman Eats Solar, Wind and Biodiesel

OK, get out your angry commenting's time to talk about how the viagra pills lion's share of our renewable energy budget goes to the least effective form of it's great! cialis soft gel renewable energy!!!

The above graph compiled by the Environmental Working Group is pretty self-explanatory. Of course, it would be nice to see the breakdown between corn-based ethanol subsidies and cellulosic ethanol subsidies (which actually make sense.) Unfortunately, we're afraid that it would look a heck of a lot similar to the graph above, except maybe with a third little wedge in Pacman's mouth.

So now you know...the agriculture lobby in America is a lot stronger than you thought it was.

Via AutoBlogGreen


Breakthrough Catalyst for Artificial Photosynthesis

All this talk about solar power and the weird thing is, plants have been doing it since the beginning of, well, plants. For years now, scientists have been trying to duplicate and improve upon the process of photosynthesis (even Jimmy Stewart tried it once.) And now a research group led by Osamu Ishitani has created a new catalyst that could turn CO2 into fuel efficiently, with only the power of the sun.

The new catalyst uses ruthenium and rhenium, two elements not found in your average leaf. But they do allow for the same first step (CO2 to CO) that plants use. In fact, it's considerably more efficient and simpler than the way plants do just try! buy generic viagra online things.

CO is far more reactive than CO2, and so it's fairly simple to do a little bit of old-school organic chemistry to turn CO into burnable hydrocarbons like ethanol.


Duh! Powering Restaurants with Waste Oil

Sometimes I'm shocked that these things aren't already being done. I mean, almost every restaurant in the world has a dumpster filled with fuel in the back...why not just put a generator there instead! Vegawatt, a Massachusetts-based company, is doing just that. They've created a fry-oil generator that deals with the waste while producing energy.

They've just turned on their first system at a Boston-area restaurant, and it seems to be working like a charm. The system is smaller than a conventional grease dumpster, and consumes 100% of the waste oil produced by Finz Seafood and pill price cialis Grill. Of course, the maximum 6 kW that it produces reduces the restaurant's monthly bill by about $800 (or about 15%.)

The system could be scaled up, but then there wouldn't be any grease to power it, and it wouldn't save anyone money. Vegawatt is looking into reducing electricity bills further by creating hot water with the device as well.

Finz is leasing the device for about $400, so it saves them a total of $400 a month. As you might expect, Vegawatt is expecting to expand.

They're about to close their first round of funding and, with that, they'll be starting up larger operations serving restaurants throughout America.

Via CNet GreenTech

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