Palladium oxide catalysed hydrogenation of sulpholene
Патенты
Язык: |
Французский |
Тип: |
Патент на изобретение |
Номер (11) |
FR 2061890 A5 |
Номер заявки (21): |
69.33476 |
Дата подачи заявки (22): |
1 окт. 1969 г. |
Дата начала отсчета срока действия патента (24): |
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Дата публикации патента (44,45,46): |
30 июл. 1971 г. |
Дата публикации заявки (43): |
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Авторы |
Mashkina A.V.
,
Savostin Yu.A.
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Организации |
1 |
Институт катализа им. Г.К. Борескова СО РАН
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Sulpholane prodn. by catalytic hydrogenation of sulpholene at 10-40 degrees using as catalyst supported palladium oxide (supported e.g. by alumina, activated charcoal, an aluminosilicate, or silica-gel), followed by regeneration of the catalyst at up to 300 degrees C (pref. 150-250 degrees C) by oxidation with an oxygen-contg. gas (pref. air). Regeneration is pref. preceded by washing with an organic solvent (acetone or isopropanol) followed by nitrogen blowing at 20-100 degrees C.