Anything into Oil...

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Anything into Oil...

Postby Dana Sheets » Wed Apr 27, 2005 2:18 am

If you're a member of "Discover" magazine:

Anything Into Oil

From Turkey Parts to Crude Oil!

Inside a Thermal Depolymerization plant Wouldn't it be incredible to have all your friends and family over for Thanksgiving dinner and be able to take all the leftovers and unpalatable portions out into your yard and convert them into oil?

With a new technology, called Thermal Depolymerization, we may soon be able to do just that.

According to Brian Appel, chairman and CEO of Changing World Technologies, "This process can deal with the world's waste. It can supplement our dwindling supplies of oil. And it can slow down global warming."

The first industrial-scale Thermal Depolymerization plant was built in Carthage, Missouri, adjacent to a Butterball Turkey processing plant. Each day, two hundred tons of turkey remains are hauled to the newly-finished plant and transformed into assorted functional products — including 600 barrels of light crude oil. This remains-derived oil is chemically almost identical to a number two fuel oil used to heat homes.

James Woolsey, former CIA director and an adviser to Changing World Technologies, maintains that this technology offers the beginning of a way out of the United States' dependence on foreign oil.

Thermal Depolymerization, according to Appel, has proved to be 85% energy efficient for complex feed stocks such as turkey remains. "That means for every 100 BTUs in the feedstock, we use only 15 BTUs to run the process."

Plastics and dry raw materials efficiency is even higher, contends Appel.

So how does this process work? "The other processes," Appel said, "all tried to drive out water. We drive it in, inside the tank, with heat and pressure. We super-hydrate the material."

In this process, pressures and temperatures need only be modest, because water assists to convey heat into the feedstock. "We're talking about temperatures of 500 degrees Fahrenheit and pressures of 600 pounds for most organic material — not at all extreme or energy intensive. And the cooking times are relatively short, usually about fifteen minutes."

Phase two involves dropping the slurry to a lower pressure, which releases about ninety percent of the slurry's free water. Dehydration via depressurization is far cheaper in terms of energy consumed than is heating and boiling off the water, particularly because no heat is wasted. At this stage, the water is sent back up to heat the next incoming stream. The minerals settle out and are forced to storage tanks. Rich in calcium and magnesium, this dry brown powder is "a perfect balanced fertilizer," Appel said.

The remaining organic soup is flushed into the second stage reactor, similar to the coke ovens used to refine oil into gasoline. This reactor heats up the soup to about nine hundred degrees Fahrenheit — to further break apart long molecular chains.

Next, in vertical distillation columns, hot vapor flows up, condenses, and flows out from different levels: gases from the top of the columns, light oils from the upper middle, heavier oils from the middle, water from the lower middle, and powdered carbon — used to manufacture tires, filters, and printer toners — from the bottom.

The test plant in Philadelphia has determined that the process is scalable; plants can cover acres or be small enough to go on the back of a flatbed truck. The technicians at this test plant have spent three years testing different kinds of affluent to formulate recipes. Experimentation revealed that different waste streams required different cooking and coking times....
Is this something that can start being used quickly?
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Dana Sheets
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Postby cxt » Wed Apr 27, 2005 9:41 pm


A really good article.

Hopefully it can.
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Postby Panther » Thu Apr 28, 2005 2:31 pm

If they can be built small enough to go on a flatbed truck, why not make it something that is part of every modern home? On the linked sites they discuss the fact that they have tested the process with human waste as well and found it to be viable (but not quite as efficient) and also the fact that any waste that is petro-chemically based (such as plastic containers) is even more efficient in the process.

Imagine having each house have it's own small waste conversion processing plant as part of it. Gargage in, Diesel out! :cool:

Just wish there was a little more detail on the process. It'd be nice to try and duplicate it someday on a small farm scale. Right now, it's all pretty hush-hush and they only want to partner with folks who want to build massive giant plants... Their process, their perogative...
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Postby Bill Glasheen » Fri Apr 29, 2005 7:33 pm

Ultimately everything gets down to various versions of solar energy.

Oil under the ground is nothing more than millions of years of organic matter converted to such a slurry. That is many, many photons of light being pi$$ed away each time we fill 'er up.

If we want to do this high volume, we just do like they are starting to do in Europe and grow crops strictly to turn to oil so we can make biodiesel of it. Or we grow sugary plants and convert it to alcohol. This means we need to preserve lots and lots of land to capture enough photons to string together enough carbon atoms to run a city.

The advantage this process has is that you take waste that normally would be... waste, and make something useful of it. Don't expect to keep most of middle America satisfied with the volume produced but... Every little bit helps. And if you're going to dispose of this stuff anyhow, it can crank a few $$ out of the waste management process.

If the best you can do is make waste management a cost-neutral proposition, I say it's worth it.

- Bill
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Postby Guest » Fri Sep 02, 2005 2:34 pm

valtrex - [Chirp is someone who has nothing better to do with his/her time than to annoy us with their stupid links to viagra sites. He/she is history, at least until he/she finds another server to do business on.]

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Hmmmmm, very interesting.... GEM!

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