FIELD: chemistry.
SUBSTANCE: invention relates to a method of filling a longitudinal section of a contact pipe with a homogeneous part of a solid catalyst bed. The method of filling a longitudinal section of a contact pipe with a homogeneous part of a solid catalyst bed, the active mass of which is at least one multielement oxide which contains a) elements Mo, Fe and Bi, or, b) elements Mo and V, or c) element V, and additionally P and/or Sb, or the active mass of which contains elementary silver on an oxide support-article, and which consists of only one type Si, or a homogenised mixture of various types Si of catalytically active moulded articles of a defined geometrical shape or catalytically active moulded articles and inert moulded articles of a defined geometrical shape, wherein the median of the maximum longitudinal dimensions Ls i of the articles of a defined geometrical shape of type Si is characterised by the value Ds i, at least within one type Si of moulded articles of a defined geometrical shape, the following set of conditions M is satisfied, such that 40 to 70% of the total number of moulded articles of a defined geometrical shape belonging to S1, have a maximum longitudinal dimension Ls i, for which the inequality 0.98·Ds i≤Ls i≤1.02·DS i holds, at least 10% of the total number of moulded articles of a defined geometrical shape belonging to Si have a maximum longitudinal dimension Ls i, for which the inequality 0.94·Ds i≤Ls i<0.98·Ds i holds, at least 10% of the total number of moulded articles of a defined geometrical shape belonging to S1 have a maximum longitudinal dimension Ls i for which the inequality 1.02·Ds i<Ls i≤1.10·Ds i holds, less than 5% of the total number of moulded articles of a defined geometrical shape belonging to Si have a maximum longitudinal dimension Ls i for which the inequality 0.94·Ds i>Ls i holds, and less than 5% of the total number of moulded articles of a defined geometrical shape belonging to Si have a maximum longitudinal dimension Ls i for which the inequality 1.10·Ds i<Ls i holds, wherein the sum of all moulded articles of a defined geometrical shape belonging to Si is 100%; described also is a method of loading a contact pipe with a solid catalyst bed, a shell-and-tube reactor, a method for oxidation of an organic compound and a method for synthesis of separate organic compounds.
EFFECT: high selectivity of moulding the final synthesis product.
17 cl, 3 ex
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