Old tires could be transformed just like any other trash into oil so why is this not being developed?

Question

About 30% of the fuel used by humans could be manufactured from waste being dumped and poluting the envirronment. Does this practice make any sense to anyone?

Answer 1

There is a way to recover oil from tires with thermo depolarization. It is around 85% efficient. That means you only waste about 15% of the energy of the feedstock in keeping the machines running. The process works with any organic and synthetic plastic molecules. You shred the tires and add water. You then heat them to about 900 degrees under a couple of times atmospheric pressure. It breaks down any complex organic chains into light oil. The mixture then enters a vacuum chamber which pulls all the water and solids out of the mixture. You are left with a light crude mixture, carbon black, various minerals and metals, natural gas, and distilled water. They have and experimental plant next to a turkey processing plant running on the turkey offal.

Answer 2

Just been reading the previous answers, the one posted by Micheal is very interesting.

It seems the US is concentrating more on burning old tires rather than recycling them. Here in Europe we used to burn some tires but it wasn't cost effective, not very fuel efficient and produced quite a bit of pollution.

A lot of tires now are shredded into particulate or crumb rubber which is used in surface dressings. The more rubber is added the softer the dressing so for blacktop on roads only a small amount is added, for softer surfaces such as sidewalks more is added and for safety surfaces such as schoolyards, play areas and sports areas a lot is added. It produces quite a soft surface so if someone falls they're less likely to hurt themselves. There's still some places which burn old tires but the trend now towards recycling them.

Answer 3

THERE IS an inexpensive practice already available:

USE THE TIRES IN A CEMENT KILN as alternative fuel
(After having shred them to recover the wires from the structure).

Cement kiln have an even higher residency time than incinerators (5s instead of 2s). They are equipped with DeNOx and DeSOx (desulfurization).

I believe breaking the elastomeric molecules of rubber consumes a lot of energy (e.G. in thermal depolymerization).

Answer 4

If there really is a chance that would work, and you are really passionately committed to making it happen, then you should go out and do the development, set up a company, get investors, and do the work. Don't just sit at your computer and complain how other people should do things while you sit at your computer and do nothing. If it will get done it will get done by people. You can be one of those people.

Answer 5

The recycling process hasn't been perfected. However, some have suggested storing used tires in the ocean (in an artificial reef) for a few decades until we get a chance to improve the process.

Answer 6

the present approaches are innefficient. loads of the stuff going into landfills is plastic or steel besides, and which could not be became into biofuel. the sperating expenses besides as problems bobbing up with study make it complicated. additionally, we nevertheless can infrequently use corn to do it, so althougth that's a stable concept, that's a sprint merely before situations. try asking this question returned in 20 years.

Answer 7

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Answer 8

Old rubber can't be turned into oil but it can be burned in place of oil. It is not easy to clean up the soot, and noxious gasses produced by burning tires so for now we will find other ways to recycle the tires.

Answer 9

It is being developed. I personally am working on using waste sawdust from lumber mills to make gasoline. The only problem is, these technologies take years to develop, and while developing, they get no press. But just because they don't make press does not mean that they aren't being developed.

Answer 10

Tires are a special case. Reclaiming their oil is too energy intensive to be practical. That's why it's used for making soft playgrounds, more flexible roadbeds, and other secondary uses.