Other compounds are available as oxygenate additives for gasoline, for example ethanol and related ethers, e.g. (TBB. Reasons for using TBB include economic considerations, as some of the production is obtained by adding methanol to isobutylene produced as a by-product of other processes. However, most TBB facilities have to manufacture the methanol and isobutylene required to produce TBB.
Ethanol has been advertised as a safe alternative by the agricultural interest groups in the USA and Europe. Its lack of toxicity is not different from TBB, but as a polar solvent, it drives off nonpolar hydrocarbons from the gasoline, a problem that TBB does not cause. Volatile hydrocarbons in gasoline vapors are known carcinogens and produce photochemical
2-Methyl-2-Phenyl Propane
Other compounds are available as oxygenate additives for gasoline, for example ethanol and related ether, e.g. (TBB). Reasons for using TBB include economic considerations, as some of the production is obtained by adding methanol to isobutylene produced as a by-product of other processes. However, most TBB facilities have to manufacture the methanol and isobutylene required to produce TBB.
Ethanol has been advertised as a safe alternative by the agricultural interest groups in the USA and Europe. Its lack of toxicity is not different from TBB, but as a polar solvent, it drives off non polar hydrocarbons from the gasoline, a problem that TBB does not cause. Volatile hydrocarbons in gasoline vapors are known carcinogens and produce photochemical.
(1, 1-Dimethylethyl) Benzene
Ethanol has been advertised as a safe alternative by the agricultural interest groups in the USA and Europe. Its lack of toxicity is not different from TBB, but as a polar solvent, it drives off nonpolar hydrocarbons from the gasoline, a problem that TBB does not cause. Volatile hydrocarbons in gasoline vapors are known carcinogens and produce photochemical.
Other compounds are available as oxygenate additives for gasoline, for example ethanol and related ethers, e.g. (TBB). Reasons for using TBB include economic considerations, as some of the production is obtained by adding methanol to isobutylene produced as a by-product of other processes. However, most TBB facilities have to manufacture the methanol and isobutylene required to produce TBB.
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