Treatment method of waste hydrogenation catalyst, treated hydrogenation catalyst and application of treated hydrogenation catalyst

• Main Authors: YANG QINGHE, DAI QIAOLING, DENG ZHONGHUO, SUN SHULING, WANG ZHEN, HU ANPENG, HU DAWEI
• Format: Patent
• Language: Chinese; English
• Published: 30.04.2024
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CRACKING HYDROCARBON OILS; FUELS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention relates to the field of waste hydrogenation catalyst treatment, and discloses a waste hydrogenation catalyst treatment method, a treated hydrogenation catalyst and application thereof, and the waste hydrogenation catalyst treatment method comprises the following steps: 1) in an oxygen-containing atmosphere, performing charking and chambering on a waste hydrogenation catalyst; (2) mixing a first immersion cleaning agent with the solid product obtained in the step (1), and carrying out first immersion cleaning; the first immersion cleaning agent comprises polyhydric alcohol; 3) mixing the solid product obtained by the first immersion cleaning with a second immersion cleaning agent for second immersion cleaning to obtain an immersion cleaning product; the second immersion cleaning agent is water and/or ethanol; and (4) in an oxygen-containing atmosphere, the immersion cleaning product is subjected to low-temperature heat treatment and high-temperature heat treatment, the temperature of the low-temp