Literature cited
Federal German Republic (FGR) Patent No. 764103, 12a, 5 (1943).
U. S. Patent No. 2071526, 261-114 (1937).
United Kingdom (UK) Patent No. 1199208, BIR (1970).
J. R. Fair, “Selecting fractionating column internals,” Chem. Eng.,72, No. 14, 107–116 (1965).
U. S. Patent No. 2693949, 261-114 (1954).
P. A. Belozerov, V. N. Trepakov, and N. M. Bryukina, Inventors' Certificate No. 199829, Izobreteniya, Promyshlennye Obraztsy, Tovarnye Znaki, No. 16 (1967).
U. S. Patent No. 1126586, BIR (1968).
U. K. Patent No. 1321327, BIR (1973).
Additional information
Translated from Khimicheskoie i Neftyanoe Mashinostroenie, No. 1, pp. 28–29, January, 1977.
Rights and permissions
About this article
Cite this article
Vikhman, A.G., Berkovskii, M.A. & Kruglov, S.A. Classification of downcomers for bubble trays of mass-transfer equipment. Chem Petrol Eng 13, 53–55 (1977). https://doi.org/10.1007/BF01152914
Issue Date:
DOI: https://doi.org/10.1007/BF01152914