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Table 2 Conventional catalytic conversions of crude glycerol to chemicals

From: Value-added uses for crude glycerol--a byproduct of biodiesel production

Product

Pathway

Product productivity

Reference

(2,2-dimethyl-1,3-dioxolan-4-yl) methyl acetate

Oxygenate synthesized compound

NAa

[78]

Acrolein

Fuidized bed, tungsten doped zirconia catalyst

21%

[79]

Monoglyceride

Two-step process, purification of the monoglyceride produced from glycerolysis of palm stearin

~99% purity

[86]

 

Glycerolysis of soybean oil

~42%

[87]

Gaseous products

Steam reforming process; platinum alumina as catalyst

NAa

[80]

 

Thermal decomposition of crude glycerol by pyrolysis

NAa

[82]

 

Steam gasification with in situ CO2 removal

88 vol.% H2 purity

[83]

 

Hydrothermal reforming of crude glycerol

~90 vol.% H2 purity

[84]

 

Co-gasification of crude glycerol and hardwood chips

NAa

[85]

  1. a represents data are not available