Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid

YUAN Bing; LIU Tian; YU Shi-tao

Volume 42 Issue 10

Oct. 2014

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Article Navigation > Journal of Fuel Chemistry and Technology > 2014 > 42(10): 1218-1224

YUAN Bing, LIU Tian, YU Shi-tao. Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1218-1224.

Citation:

YUAN Bing, LIU Tian, YU Shi-tao. Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1218-1224.

YUAN Bing, LIU Tian, YU Shi-tao. Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1218-1224.

Citation:

YUAN Bing, LIU Tian, YU Shi-tao. Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid[J]. Journal of Fuel Chemistry and Technology, 2014, 42(10): 1218-1224.

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Hydrogenolysis of glycerol over a catalytic system based on heteropoly ionic liquid

1.
State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China;
2.
College of Chemical Engineering, Qingdao University of Science and Technolygy, Qingdao 266042, China

Received Date: 2014-04-11
Rev Recd Date: 2014-07-11
Publish Date: 2014-10-30

Abstract

Abstract

A series of ionic liquids coupled with Raney Ni were used as dual functional catalysts in the hydrogenolysis reaction of glycerin to prepare propylene glycol. Effects of the ionic liquid structure on catalytic performance was studied. As a result, a solid heteropoly ionic liquid [HMIM]₃PW₁₂O₄₀ with suitable acid strength was selected and characterized by FT-IR, ¹H-NMR and TG. The composite catalyst [HMIM]₃PW₁₂O₄₀/Raney Ni could give 83.3% glycerol conversion and 57.3% selectivity for 1,2-propanediol under the optimized conditions: 20 g 40% glycerol solution, 0.2 mmol [HMIM]₃PW₁₂O₄₀ and 0.3 g Raney Ni dosage, 6 MPa hydrogen pressure (hydrogen to alcohol 2.37:1), 230 ℃, 11 h. What's more, the low cost composite catalyst could be prepared simply and recycled easily with good stability.
- heteropoly ionic liquid,
- Raney Ni,
- glycerol,
- [HMIM]₃PW₁₂O₄₀,
- 1,2-propanediol

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References(16)

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