Kamis, 29 Desember 2011

Used Tire Pyrolysis: An Efficient Method Extracting Energy from Used Tires



Vehicle tires will only end up in landfills and objects made ​​of rubber is causing serious environmental problems. Every year around the world more than one billion vehicle tires discarded. Tire production in Indonesia also increased from year to year. Along with that, then the waste tires are not used in the environment is increasing. Most people prefer to throw it away than to recycle more useful results. Experts often confused with the environmental problems caused by tires that are not easily biodegradable material.

Conditions of use of energy is still dominated by fossil fuels should be reduced slowly and gradually replaced by renewable energy. According to Minister of Energy and Mineral Resources Darwin Zahedy Saleh , oil in Indonesia is expected to expire within the next 23 years and can not be updated. Petroleum is not used to meet energy needs but also as a raw material of chemical industry products such as plastics and tires.  

Abundant amount of used tires that can be recycled by thermal decomposition using pyrolysis to produce a primary product of petroleum that can be used as a source of energy or raw materials of many chemical industries. Other products in the form of carbon black will be widely used for coloring tires, syngas also for the application of energy or production of electricity and steel wire as raw material for metal casting.

Processing of used tires do not just simply solve the waste problem but also be economically advantageous. Great added value will be obtained when the product processing scrap tires have high economic value, a commodity that is always needed by communities and sustainable. The use of continuous pyrolysis technology is the right choice for the processing of scrap tires to produce petroleum products (crude oil), black carbon, syngas and steel wire, all of which have added great value and is the raw material of various industries.

Every 60 tonnes of scrap tires are processed in the pyrolysis can produce:
-18 000 liters of oil
-18 000 kg of carbon black
-6600 Kg of steel wire
-17,400 Kg syngas (synthetic gas)

Scrap tires are initially reduced size in about 1 inch and then go into the pyrolysis unit as the unit of production. A carbon black product, syngas, and crude oil will come out on the pyrolysis unit outlet. Syngas can be directly used for electricity generation using gas engine powerplant (gas generator), the capacity of 6o tons / day of INPUT will produce about 1 MW of electricity. While carbon black products of the pyrolysis unit will be passed in a magnetic separator for the separation of steel wire.


For many industries that are currently utilizing scrap tires as a fuel by burning it directly, so it is better to use the pyrolysis unit to extract the energy content in scrap tires. Direct combustion of scrap tires will cause a major environmental pollution and harm. It also does not provide much added value. Continuous pyrolysis will be able to extract the energy content of scrap tires effectively and efficiently, such as syngas produced from pyrolysis can be used as an energy source, because in that place no longer require an additional power supply, or use the crude oil produced for the same purpose .

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