Hydrogenation catalyst for refining of caprolactam and preparation method thereof
The invention relates to a hydrogenation catalyst for refining of caprolactam and a preparation method thereof. The hydrogenation catalyst comprises an active component and a carrier, wherein the carrier is activated carbon treated by nitrogen-containing compound, and the nitrogen-containing compoun...
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| creator | LIU YI LIU YIHONG ZHANG ZHIJUN PAN JIUHAI SUN JIQUAN HUO ZENGHUI SHI FENG |
| description | The invention relates to a hydrogenation catalyst for refining of caprolactam and a preparation method thereof. The hydrogenation catalyst comprises an active component and a carrier, wherein the carrier is activated carbon treated by nitrogen-containing compound, and the nitrogen-containing compound is selected from one or more of urea, guanidine sulfamate, ammonia gas, and amino acid. The hydrogenation catalyst for refining of the caprolactam has the advantages that the acid and alkali-resistant ability is strong, the selectivity and conversion rate are high, the cost is low, and the hydrogenation catalyst is suitable for a fixed bed hydrogenation device. The preparation method of the hydrogenation catalyst has the advantages that the preparation method is simple, the industrialization is easy, the operation is simple in the use process of the hydrogenation catalyst, the safety is high, the production consumption is low, and the device and land occupation area are saved.
本发明涉及种己内酰胺精制用加氢催化剂及其制备方法。所述加氢催化剂包括活性 |
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本发明涉及种己内酰胺精制用加氢催化剂及其制备方法。所述加氢催化剂包括活性</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Hydrogenation catalyst for refining of caprolactam and preparation method thereof |
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