| abstract |
A method and apparatus are provided for continuously preparing a compound in at least one reactor, the shell and a shell-and-tube reactor having at least one inner tube located within the shell, wherein at least one of the inner tubes of the reactor is provided. One has a helical structure and a non-circular cross section in an area at least partially enclosed by the shell.n n n n Shell, cylindrical, shell, inner tube, spiral, non-circular cross section, continuous manufacturing |