north of 60 said:
jebatty said:I wonder how much electricity it takes to produce the oil? The temperatures at heating appeared to range between 660-790F. The plastic, if an otherwise unusable waste and landfill waste, might do better as an oil for fuel. I also wonder what "non-oil" chemicals might be in the oil, dioxins, etc., that burning would release into the atmosphere. What residue in the melt chamber, and how to clean, dispose of it? An interesting idea, particularly if the oil can be used directly without further processing.
The video said 1 kg of plastic yields 1 liter of oil, which weighs about 0.92 kg -- conversion efficiency looks pretty good.
I suspect this might not be done on a commercial scale because it is a less efficient/profitable use of plastic than being recycled for other uses. But then again, maybe it really is a simple breakthrough, and if home or neighborhood plastic to oil recycling made "cents$," what would the big guys do?
Adios Pantalones said:Couldn't they just burn plastic directly as an energy source in a lot of processes? That would save the conversion energy and any efficiency waste.
THe small machine used for converting oil would be much cheaper to purchase and transport especially for developing countries.Also the end product is oil which is universally needed and can be stored easily unlike heat or electricity from burning plastic or anything else ,which must be used within a short time and is expensive to store. The amount of energy quoted was 1kw to make 1 Litre of oil or about 40 Cents a gallon. Sounds like a fair trade. Im sure it cost BP more than 40 cents a gallon to drill and pump oil from 5 miles below sea level in the gulf. The other benefit is cleaning up the worlds discarded plastic which cant be a bad thing.IMOAdios Pantalones said:Trump- that's only if burned in the open, uncontrolled. Wet wood in a fire pit will smolder as well, but we know that wood can be used as a clean heat.
Heating the plastic requires energy to convert to oil- that's wasteful. Save the energy and combust the plastic with a modern burner: (broken link removed to http://wasteplastictechnology.blogspot.com/2005/09/myth-on-burning-plastics.html)
There was also a good article on it in Sci. Am.
trump said:THe small machine used for converting oil would be much cheaper to purchase and transport especially for developing countries.Also the end product is oil which is universally needed and can be stored easily unlike heat or electricity from burning plastic or anything else ,which must be used within a short time and is expensive to store. The amount of energy quoted was 1kw to make 1 Litre of oil or about 40 Cents a gallon. Sounds like a fair trade. Im sure it cost BP more than 40 cents a gallon to drill and pump oil from 5 miles below sea level in the gulf. The other benefit is cleaning up the worlds discarded plastic which cant be a bad thing.IMO
Adios Pantalones said:By the way- everything I've said is aimed at the total problem on a macro-level.
It's a cool device, the inventor seems like The Man, and I can see some great uses for this on a smaller scale and in certain circumstances. Mostly- if people had these- I bet they would use them. Most plastic waste is not getting recycled, I bet, so it would be a huge improvement to have one of these hooked up to oil tanks in houses- people would see the direct benefit which they don't see in recycling.
Adios Pantalones said:You might be surprised: (broken link removed to http://veoliaes.com/resource.php?id=566)
The US only recycles a small amount of its waste- the rest ends up in landfills. In less developed countries the waste doesn't get picked up or buried, so it's more visible, but they produce less. Many of those countries could not afford systems to convert plastic to oil, and don't have the electricity to run a system for it anyway. (Think about countries where a few cents a day in meds would save people, but they cannot afford even that).
trump said:Adios Pantalones said:You might be surprised: (broken link removed to http://veoliaes.com/resource.php?id=566)
The US only recycles a small amount of its waste- the rest ends up in landfills. In less developed countries the waste doesn't get picked up or buried, so it's more visible, but they produce less. Many of those countries could not afford systems to convert plastic to oil, and don't have the electricity to run a system for it anyway. (Think about countries where a few cents a day in meds would save people, but they cannot afford even that).
Im familiar with one of these countries the philippines as i have many relatives there,just came back from a 6 week vacation there and they do have a huge waste plastic problem,use a lot of motor fuel,and also have an air pollution problem from open burning of garbage. No shortage of electricity there(also produced from oil). Converting waste plastic to ANY usable form would be very helpful there and also help the unemployment problem there.
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