The difference of main gasoline octane boosters

To increase gasoline octane boosters, commonly refineries will add some octane boosters, like alkyl oil, MTBE, Aromatic hydrocarbon, n-methyl aniline or MMT, or upgrade refinery equipment, but it cost too much.

Many customers ask what is the difference among different octane boosters, i told them first they have to check their country regulations, because some type of octane boosters are forbidden to be used in some country, like China forbid to use any N-methylaniline or MMT in gasoline, but China has several N-methyl anline and MMT plants like us(SNF, inquiry Email:lignosale@gmail.com), and all our products are exporting abroad.

MMT, chemical name:Methylcyclopentadienyl Manganese Tricarbonyl, CAS No.: 12108-13-3, is most cost effective octane booster, with dosage 0.01%, can increase 2-3unit RON, but it is not a chemical which can keep increasing RON by continuously increasing dosage, commonly it can increase 10 RON max in naphtha oil or common pressure gasoline, and most countries control the Mn contents in exhaust, usually we recommend customers add 18mgMn/L mmt. it's working way is chemical process. when gasoline is burn in engine, MMT can decomposed to active Manganese oxide particles and break the peroxide in engine, decrease the concentration of peroxide in pre-flame reaction, and at the same time, cut part of chain reaction, so MMT can stop auto-fire, and increase antiknock properties. therefore, if u test MMT performance, u can't use simple RON reader, but need to use a motor, similar like car engine, to test it in a private room of lab, like below

 MMT antiknocking efficiency is twice as tetraethyl lead  The gasoline RON improvement effect of adding 18mg/l MMT is equivalent to the RON improvement effect of blending MTBE of 8%-10% with gasoline.

MTBE or Alkyl oil increase gasoline octane booster by their physical properties, because their own RON number is high(about 90-115), when they are mixed with gasoline ,can increase RON.

N-methylaniline with dosage 2.5%, can increase RON 4-5 unit.

pls.note both MMT and N-Methylaniline are 6.1 class dangerous chemical, and both of them should avoid direct sunshine, keep them in opaque bottle or drums, or it can be easily decomposed.

we specialized in producing gasoline octane booster MMT in China, and export our products all over the world, welcome to make inquiry by Email: lignosale@gmail.com

Misty

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