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Articles
What is natural gas
| What is natural gas? | |||
| Natural gas is a mixture of hydrocarbons, a subject of a religious cult and academic disputes, as well as an essential resource. It is invisible and odorless. The amount of natural gas in Russia is more than wherever in the world. | |||
| What is the composition of natural gas? | |||
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The base of natural gas is methane (CH4), the simplest hydrocarbon (organic compound consisting of carbon and hydrogen atoms). Normally, it also includes heavier hydrocarbons – methane homologs – such as ethane (C2H6), propane (C3H8), butane (C4H10), and some nonhydrocarbon admixtures. | ||
| Natural gas can exist in the form of gas fields in formations of some rocks, as gas caps (above crude oil), and in dissolved or crystalline forms. | |||
| Gas odor | |||
| It is worth mentioning that none of the above-named gases has color or odor. Typical unpleasant smell, which almost everybody knows from everyday life, is added to gas deliberately and is called “odorization”. Sulfur compounds are usually used as odorants, i.e. substances with unpleasant smells. Humans can smell one of the most common odorants – ethanethiol – even if one part of this substance is dissolved in 50 million parts of air. Gas leaks can be easily identified exactly due to the odorization. | |||
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| Natural gas without odor | Stage of adding an odorant with an unpleasant odor |
Natural gas with an unpleasant odor |
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| Invisible pores | |||
| There is a false idea that gas is located under ground in cavities from where it can be easily and completely extracted. In fact, gas can be inside a rock with such fine porous structures that the human eye can’t see. Holding a piece of sandstone mined from a huge depth, it is rather difficult to believe that there’s natural gas inside it. | |||
| Worshipping gas | |||
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The humankind has known about the existence of natural gas for a long time. Although people learnt to use it for heating and lighting as far back as the 4th century A.D., luminous flame, leaving no ashes, remained a mystic and religious cult of some peoples for a good while. For instance, fire-worshippers’ temple Ateshgyakh, where ministrations took place up to the 19th century, was built on the Apsheron Peninsula (currently, Azerbaijan) in the 7th century.. |
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The humankind has known about the existence of natural gas for a long time. Although people learnt to use it for heating and lighting as far back as the 4th century A.D., luminous flame, leaving no ashes, remained a mystic and religious cult of some peoples for a good while. For instance, fire-worshippers’ temple Ateshgyakh, where ministrations took place up to the 19th century, was built on the Apsheron Peninsula (currently, Azerbaijan) in the 7th century. |
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