Natural gas doesn’t smell. But the practice of adding a rotten egg odor was started decades ago for your safety. In 1937, a natural gas leak caused a big explosion, destroying a school in New London, Texas, and killing nearly 300 teachers and students.
When did they start adding smell to natural gas?
The first odorization (i.e., adding an odorant to gas so that it is detectable by smell) occurred in Germany during the 1880s. In that situation, Von Quaglio added ethyl mercaptan to water gas to intentionally reproduce the gassy odor associated with town gas to make it detectable.
Why is smell added to natural gas?
Mercaptan, a harmless chemical, gives gas its distinctive rotten egg odor. It is added to natural gas to make it quickly recognizable and to prevent accidents like this from happening.
Does natural gas have a smell added to it?
Natural gas has no scent or color of its own, so government agencies require utility companies to add an odor. Atmos Energy and many other utilities mix in a harmless gas called “mercaptan,” which has the smell of rotten eggs.
What is the smell in natural gas?
Natural gas has no odor. Gas companies add a harmless chemical called mercaptan to give it its distinctive “rotten egg” smell.
What are three different ways that natural gas is obtained?
The gas can be extracted with a variety of methods such as UCG (Underground Coal Gasification), well drilling and hydraulic fracturing similar to methods used to extract shale gas. When compared to shale gas deposits, the amount of gas to be extracted from coal beds are quite small.
Why does a fart stink?
Gases are also what can make farts smell bad. Tiny amounts of hydrogen, carbon dioxide, and methane combine with hydrogen sulfide (say: SUHL-fyde) and ammonia (say: uh-MOW-nyuh) in the large intestine to give gas its smell. Phew!
Why does passing gas smell like rotten eggs?
Your gas may smell like rotten eggs because of the sulfur in fiber-rich foods. Sulfur is a natural compound that smells like spoiled eggs. Many vegetables are sulfur-based. If this is causing your flatulence, a simple change in diet will be sufficient treatment.
Why does natural gas smell like rotten eggs?
For easier detection, we add a safe, non-toxic (but unpleasant) odorant called mercaptan into the gas that’s inserted into the distribution system. The scent resembles rotten eggs or sulfur. If you smell it, you’ll quickly know you have a gas leak and should leave your house or building immediately.
Why does my house smell like gas but no leak?
Natural gas has no smell. The natural gas smell is from an added odorant called mercaptan, which smells like rotten eggs. You may have something rotting in your room. The other possibility is that it is indeed a gas leak inside the wall, floor or ceiling and coming into this room.