CHEMICAL COMPOSITION OF MICROIMPURITIES IN JET FUELS FROM SULFUROUS PETROLEUM
Abstract:
The microimpurities of the jet fuels from sulfurous petroleums consist of ash elements, tars, and structural water. In the process of transportation, settling, and filtration of the fuels there occurs a separation of the microimpurities in accordance with their chemical composition. The microimpurities saturated with ash elements settle and are filtered out in the mesh filters of the airplanes. The microimpurities saturated with tar products and water basically remain in the fuel in the suspended state. Into the composition of the tarry part of the microimpurities of the fuels, along with oxygen compounds, there go up to 20--30 of oxidized compounds containing sulfur. In the process of the filtration of fuels there occurs a decrease in the quantity of compounds containing sulfur in the microimpurities of the fuels. The compounds with sulfur in the fuels are retained in the storage fabric filters and the airplane paper filters, for which reason the latter quickly become clogged. At the fuel storage places the basic amount of microimpurities containing sulfur is held back by the fabric filters of the 1st step in filtration.