Facile molybdenum and aluminum recovery from spent hydrogenation catalyst

Zhenhui Lv; Jianan Li; Dong Xue; Tao Yang; Gang Wang; Chong Peng

doi:10.1016/j.cjche.2024.01.006

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Facile molybdenum and aluminum recovery from spent hydrogenation catalyst

Updated：2026-01-06

- Facile molybdenum and aluminum recovery from spent hydrogenation catalyst
- Facile molybdenum and aluminum recovery from spent hydrogenation catalyst
- 中国化学工程学报（英文版） 2024年69卷第5期页码：72-78
- Affiliations：
  
  1. State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology,Dalian,China,116024
  2. Dalian Research Institute of Petroleum and Petrochemicals, SINOPEC,Dalian,China,116041
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2024.01.006
  中图分类号：
- 纸质出版：2024
- Accepted：
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Zhenhui Lv, Jianan Li, Dong Xue, 等. Facile molybdenum and aluminum recovery from spent hydrogenation catalyst[J]. 中国化学工程学报（英文版）, 2024,69(5):72-78.

Zhenhui Lv, Jianan Li, Dong Xue, Tao Yang, Gang Wang, Chong Peng. Facile molybdenum and aluminum recovery from spent hydrogenation catalyst[J]. Chinese Journal of Chemical Engineering, 2024, 69(5): 72-78.
Zhenhui Lv, Jianan Li, Dong Xue, 等. Facile molybdenum and aluminum recovery from spent hydrogenation catalyst[J]. 中国化学工程学报（英文版）, 2024,69(5):72-78. DOI： 10.1016/j.cjche.2024.01.006.

Zhenhui Lv, Jianan Li, Dong Xue, Tao Yang, Gang Wang, Chong Peng. Facile molybdenum and aluminum recovery from spent hydrogenation catalyst[J]. Chinese Journal of Chemical Engineering, 2024, 69(5): 72-78. DOI： 10.1016/j.cjche.2024.01.006.

摘要

Abstract

Industrial catalyst waste has emerged as a hazardous pollutant that requires safe and proper disposal after the unloading process. Finding a valuable and sustainable strategy for its treatment is a significant challenge compared to traditional methods. In this study

we present a facile method for the recovery of molybdenum and aluminum contents from spent Mo-Ni/Al

hydrogenation catalysts through crystallization separation and coprecipitation. Furthermore

the recovered molybdenum and aluminum are utilized as active metals and carriers for the preparation of new catalysts. Their properties were thoroughly analyzed and investigated using various characterization techniques. The hydrogenation activity of these newly prepared catalysts was evaluated on a fixed-bed small-scale device and compared with a reference catalyst synthesized from commercial raw reagents. Finally

the hydrogenation activity of the catalysts was further assessed by using the entire distillate oil of coal liquefaction as the raw oil

specifically focusing on denitrogenation and aromatic saturation. This work not only offers an effective solution for recycling catalysts but also promotes sustainable development.

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