| 摘要 |
<p>There is disclosed a process for the production of 1,4-butanediol and tetrahydrofuran by the catalytic hydrogenation in the gas phase of gamma -butyrolactone using a solid catalyst comprising copper and silicon, copper, chromium, and manganese or copper, chromium, manganese and barium, the y-butyrolactone is preferably produced by the liquid phase hydrogenation of maleic anhydride.</p> |
