Kinetic study on the preparation of 4,4′-dinitrostilbene-2,2′-disulfonic acid (I)—kinetic study on the oxidation of 4,4′-dinitrobibenzyl-2,2′-disulfonic acid to prepare 4,4′-dinitrostilbene-2,2′-disulfonic acid
作者： Ying Liu , Fengbao Zhang , Guoliang Zhang
DOI: 10.1016/S0143-7208(02)00165-1
关键词: Sulfonic acid 、 Dehydrogenation 、 Aqueous solution 、 Reaction intermediate 、 Organic chemistry 、 Nitro compound 、 Nuclear chemistry 、 Chemistry 、 Hydroxide 、 Chemical synthesis 、 Kinetics 、 Process Chemistry and Technology 、 General Chemical Engineering
摘要: Abstract The aqueous air oxidation of 4, 4′-dinitrobibenzyl-2,2′-disulfonic acid (DND) to prepare 4,4′-dinitrostilbne-2,2′-disulfonic (DNS) is studied. It shown that the by-product formation results from destruction DNS under certain conditions. Grounded on experimental data, rate equation DND established, which can be expressed as follows: −d[DND]=dt=k[DND][OH] 1.4 . At same time, parametric values macroscopic kinetics are obtained and interaction between temperature, hydroxide concentration, reaction time conversion discussed.
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