Siemens Energy has completed the first firing of PetroAlgae Inc.’s biocrude fuel, a plant-based, micro-crop biomass material that is processed into a solid residue. The testing was performed at a test bed installed at the University of Utah in Salt Lake City, Utah, U.S.A.

Results show that the biocrude/coal fuel mixture, which was combined with pulverized coal in a pilot-scale burner with a thermal capacity of approximately 4 MBtu/hr, produced 20% lower nitric oxide (NOx) emissions than coal alone, said the company.

The testing showed that the biocrude was easy to handle and inject into the burner. Tests were conducted with and without external air staging. The biomass and coal mixture produced lower emissions with staging than without.

Siemens intends to conduct further tests of the pilot-scale burner with increased quantities of PetroAlgae’s biocrude fuel in the near future.

Source: www.siemens.com

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