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Materials & Assembly

Dow Plans North American Plastic Waste Recovery Facilities

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RFI-EMI-GUY
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Re: Self-Sustaining
RFI-EMI-GUY   11/14/2014 3:17:15 PM
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Why can't these plastics be incinerated directly without being converted to a (profitable?) oil product? Why not develop a cleann burning process that extracts heat directly from the plasics and other waste materials.

Ann R. Thryft
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Re: Self-Sustaining
Ann R. Thryft   2/19/2013 4:43:27 PM
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I agree in principle, tekochip. Many of these alternative fuel facilities are being planned to take advantage of "waste" energy of various kinds produced onsite. But whether the fuel being produce can be used to power the site depends on the value of it as sold vs its value to power the plant. Often, as in pyrolysis, there are several products, one of which is sold for a profit, and others--such as escaped steam or some residues--that can be used inhouse to power the plant, or that can be sold externally as other forms of fuel.

tekochip
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Self-Sustaining
tekochip   2/19/2013 4:33:41 PM
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The article mentions that the oil was used as fuel for the incinerator but didn't give any details about how much energy was recovered vs. how much energy is used.  Wouldn't it be great if it was self-sustaining.


Ann R. Thryft
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Re: RECOVERY FACILITIES
Ann R. Thryft   2/19/2013 3:24:06 PM
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Thanks for the vote of confidence, bobjengr. I agree---sometimes all it takes to get an industry moving is one major player making the effort to show others it's possible.

bobjengr
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Platinum
RECOVERY FACILITIES
bobjengr   2/17/2013 2:09:26 PM
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 I think with Dow Chemical and Klean Industries coming forward with this joint effort, other companies will realize that recycling is a great approach to aiding our environment and keeping the planet "green".  Both have excellent track records using this proven technology.    The fact there is a positive economic element to recycling should prove that an ROI is possible if enough development is done in finding the right processes.   I certainly applaud their efforts. 

Ann R. Thryft
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Blogger
Re: Dow and plastic waste recovery
Ann R. Thryft   2/11/2013 8:07:05 PM
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Gorski, many of the systems designed with these technologies--gasification, pyrolysis--are devised to capture and reuse the various forms of "waste" energy (steam, gases, etc.) to power the plant itself, or to sell that "waste" energy to other plants nearby making other things, such as cement kilns. Obviously, this requires locating infrastructure with such uses in mind. The vast majority of plastic-to-fuel energy recovery methods have been designed specifically to be profitable enterprises.

Gorski
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Dow and plastic waste recovery
Gorski   2/5/2013 5:24:19 PM
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While this sounds like a grreat way to eliminate a lot of plasice waste, what does it require in terms of energy input? I am thinking of ethanol. It cost more to make than it returns in lower energy fuel. Will Dow become teh new ADM?

GORSKI PE

Gorski
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Platinum
Dow and plastic waste recovery
Gorski   2/5/2013 5:24:18 PM
While this sounds like a grreat way to eliminate a lot of plasice waste, what does it require in terms of energy input? I am thinking of ethanol. It cost more to make than it returns in lower energy fuel. Will Dow become teh new ADM?

GORSKI PE

Tim
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Platinum
Re: Great application
Tim   1/29/2013 7:10:31 PM
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Thanks for the information. I will be sure to check out the other articles. This is a fascinating recycling option.

NadineJ
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Platinum
Re: Great application
NadineJ   1/29/2013 6:44:51 PM
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Good questions.  I wondered that too.

And, what about the burn off from the fuel when it's used?  Most of the pollution we produce is from using fuel, in cars, factories, etc.  This process is a good step forward but what about the next step?

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