Process for removing trioxane from an aqueous mixture
Номер патента: CA2181528A1
Опубликовано: 20-01-1997
Автор(ы): Bernhard Hierholzer, Dieter Arnold, Hans-Dietmar Schnabel, Hubert Wloch, Karl-Friedrich Muck, Monika Reiss, Peter Richter
Принадлежит: Hoechst AG
Опубликовано: 20-01-1997
Автор(ы): Bernhard Hierholzer, Dieter Arnold, Hans-Dietmar Schnabel, Hubert Wloch, Karl-Friedrich Muck, Monika Reiss, Peter Richter
Принадлежит: Hoechst AG
Реферат: The invention relates to a process for removing trioxane from a liquid mixture containing trioxane, water and formaldehyde, which comprises distilling the liquid mixture in a first distillation stage at a low pressure, distilling the resulting distillate in a second distillation stage at a higher pressure and taking off trioxane as bottom product.
Process for the continuous preparation of trioxane from aqueous formaldehyde solutions
Номер патента: FR1479087A. Автор: Viktor Ivanovich Ljubomilov,Elena Lvovna Cherkasskaya,Tatyana Anatolievna Zhdanova,Daniil Borisovich Orechkin,Lev Fedorovich Ovsyannikov,Alexei Alexandrovich Mochalov,Nikita Andreevich Morozov,Vladimir Vasilievich Suvorov. Владелец: Nii Plasticheskikh Mass. Дата публикации: 1967-04-28.