Influence of Ionizıng Radiation on Physicochemical and Operational Properties of Diesel Fuel with Added Toluene

IF 0.9 Q4 CHEMISTRY, INORGANIC & NUCLEAR Radiochemistry Pub Date : 2024-10-06 DOI:10.1134/S1066362224040155

L. Y. Jabbarova, I. I. Mustafaev, A. S. Mirzaeva, N. A. Ibadov

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Abstract

Radiation resistance of diesel fuel with the addition of various percentages of toluene was studied. The experiments were carried out for a long time to study the postpolymerization processes. The kinetics of processes during irradiation of pure diesel fuel was studied at the temperature T = 20°C and dose rate P = 0.07 Gy/s in the range of absorbed doses D = 15–150 kGy, and a mixture of toluene with diesel fuel was irradiated within the absorbed dose range D = 24–90 kGy at a toluene concentration of 1, 3, and 5 vol %. Analysis by gas chromatography–mass spectrometric (GC/MS) was performed, and the density, viscosity, and iodine number of the diesel fuel before and after irradiation at various absorbed doses were determined. The kinetics of postpolymerization processes after the end of irradiation shows that the rate of the process and its share in the total polymerization depend on the irradiation time, initial mixture density, and dose. By adding additives (antirads), one can choose the composition of diesel fuel that will better withstand radiation exposure. It is necessary to find the optimal concentration of toluene in the composition of diesel fuel, at which the viscosity and density will not change with an increase in the absorbed dose.

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电离辐射对添加甲苯的柴油的物理化学和操作特性的影响

研究了添加不同比例甲苯的柴油的抗辐射性。实验进行了很长时间，以研究后聚合过程。在温度 T = 20°C 和剂量率 P = 0.07 Gy/s 的吸收剂量 D = 15-150 kGy 的范围内，研究了纯柴油在辐照过程中的动力学过程；在甲苯浓度为 1、3 和 5 Vol % 的吸收剂量 D = 24-90 kGy 的范围内，研究了甲苯与柴油的混合物在辐照过程中的动力学过程。采用气相色谱-质谱法（GC/MS）进行了分析，并测定了在不同吸收剂量下辐照前后柴油的密度、粘度和碘值。辐照结束后的后聚合过程动力学表明，该过程的速率及其在总聚合中的比例取决于辐照时间、初始混合物密度和剂量。通过添加添加剂（抗辐照剂），可以选择更能承受辐照的柴油成分。必须找到柴油成分中甲苯的最佳浓度，在此浓度下，粘度和密度不会随着吸收剂量的增加而改变。

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来源期刊

Radiochemistry CHEMISTRY, INORGANIC & NUCLEAR-

CiteScore

1.30

自引率

33.30%

发文量

期刊介绍： Radiochemistry is a journal that covers the theoretical and applied aspects of radiochemistry, including basic nuclear physical properties of radionuclides; chemistry of radioactive elements and their compounds; the occurrence and behavior of natural and artificial radionuclides in the environment; nuclear fuel cycle; radiochemical analysis methods and devices; production and isolation of radionuclides, synthesis of labeled compounds, new applications of radioactive tracers; radiochemical aspects of nuclear medicine; radiation chemistry and after-effects of nuclear transformations.