Question by •ºJen•º: how much energy and green house gas emissions are produced by the manufacturing of diesel fuels?
how much energy and green house gas emissions are produced by the manufacturing of diesel fuels?
If anyone knows where to find this information, let me know. I also need to know for carbon black.
Best answer:
Answer by Satan Burger
I don’t care so Google it.
Know better? Leave your own answer in the comments!
If you mean mineral diesel from crude oil it is really impossible to answer because diesel is just one of the many products from the distillation/fractionation process. So the energy and emissions can not be attributed to just one of the products.
But if you mean biodiesel, try http://en.wikipedia.org/wiki/Biodiesel especially the section called Production. There is a lot of interesting information there about energy efficiency of the processes etc. You’ll see there are also many different processes too, so there isn’t just one answer.
For carbon black look here http://www.carbon-black.org/what_is.html and here http://en.wikipedia.org/wiki/Carbon_black and also follow the links in the wiki article.
An exact answer is not possible due to variations of fuel and facilities. However it is possible to derive a result from the total emissions and the percentage of diesel that is produced.
The refining industry reports to the EPA in the US. http://www.ombwatch.org/node/11183 EPA reports may give you what you are looking for however you should also consider that the reporting may not be 100% accurate. http://www.epa.gov/tri/tridata/preliminarydataset/index.html
“A 42-U.S. gallon barrel of crude oil provides slightly more than 44 gallons of petroleum products.” 10.04 gallons are diesel fuel: http://www.eia.doe.gov/kids/energy.cfm?page=oil_home-basics
You could use a similar process for the production of Carbon Black.
On the energy is used in the production of petroleum and by extension diesel look here: http://gatewayev.org/how-much-electricity-is-used-refine-a-gallon-of-gasoline and here: http://www.consumerenergyreport.com/2006/04/08/energy-balance-for-ethanol-better-than-for-gasoline/ Some skepticism might be wise as these numbers are derived on industry supplied information. An alternative perspcetive puts the figure a bit higher: http://www.evnut.com/gasoline_oil.htm
It varies strongly with the feedstock. Right now, oil sands are probably the worst, using up to half the energy in the raw material to produce the final product. The Canadian reserves, which are vast, weren’t even worth working until crude oil went over $ 70/bbl.
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