Engineering
4 years ago

New method achieves 99% removal of sulfur emissions from industrial processes.

Fuel
Study on desulfurization mechanism of adsorbents prepared by high ratio circulating fly ash and lime
Mei Cui, Fang Niu, N.J. Wang, Jianan Zhou, J.P. Wang, J.S. Li

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A new method was used to make adsorbents from fly ash and lime for removing sulfur. The best conditions for removing sulfur were found to be 3 hours of hydration, 15% moisture, 70°C temperature, and 200 μL/L of sulfur dioxide. At these conditions, the removal efficiency was 99.12%. The key to improving sulfur removal is to balance the reaction rate and gas diffusion rate. This study helps improve the efficiency of sulfur removal in industrial processes.