Molecular hydrogen production at thermocatalytic and thermocatalytic and radiation transformation of water in the BеO+H₂O system

• Видавець: Національний науковий центр «Харківський фізико-технічний інститут» НАН України
• Дата: 2018
• Автори: Jafarov, Y.D., Ramazanova, N.K., Gadzhiyeva, S.R., Eyubov, K.T.
• Формат: Стаття
• Мова: English
• Опубліковано: Національний науковий центр «Харківський фізико-технічний інститут» НАН України 2018
• Назва видання: Вопросы атомной науки и техники
• Теми: Диагностика и методы исследований
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/147710
• Цитувати: Molecular hydrogen production at thermocatalytic and thermocatalytic and radiation transformation of water in the BеO+H₂O system / Y.D. Jafarov, N.K. Ramazanova, S.R. Gadzhiyeva, K.T. Eyubov // Вопросы атомной науки и техники. — 2018. — № 5. — С. 136-140. — Бібліогр.: 25 назв. — англ.

The dependence of an yield of the molecular hydrogen received at thermal and radiation thermocatalytic transformation of water under influence of γ-quanta (⁶⁰Co, P = 20.1 rad/s) on the BеO+H₂O system, with sizes of particles dBe < 4 µм has been studied: 1) from the general temperature (T = 300; 373; 473; 573; 623, and 673 K) of system at constant value of water vapor density which is equal р = 10 mg/cm3 and 2) from water vapor density (р = 0.5; 1; 2.5; 5, and 10 mg/cm³ ) at constant value of temperature T = 673 K. In this system in the reactionary environment with a density of water of р = 10 mg/cm3 in the range of temperatures 300 ≤ T ≤ 473 K, molecular hydrogen turns out only by radiation and thermocatalytic (activation energy of process is Ea = 1.1 kJ/mol), and in the range of temperatures 573 ≤ T ≤ 673 K – by thermocatalytic (Ea =97.5 kJ/mol) and radiation and thermocatalytic (Ea = 56 kJ/mol) ways. In the BeO+H₂O system at a constant temperature of T = 673 K, and at values of density of water ρ = 0.5; 1; 2.5; 5, and 10 mg/cm³ the rate of accumulation of molecular hydrogen, received by the thermocatalytic and thermocatalytic and radiation transformation of water, grows in direct ratio to its density, and at values of ρ ≥ 2.5 mg/cm³ this proportionality is violated and deceleration is observed. The possible mechanism of processes which is rather well explaining the obtained experimental data is specified.