Variation in the Volume Ratio of HIX Phase/H2SO4 Phase for Improvement of Phase Separation Efficiency in the Bunsen Reaction Section

Young Ho Kim; Byung Tae Ahn; Hyo Sub Kim; Sang Jin Han; Chu Sik Park; Ki Kwang Bae; Jong Gyu Lee

doi:10.4028/www.scientific.net/AMR.550-553.435

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Variation in the Volume Ratio of HIX Phase/H2SO4...

Variation in the Volume Ratio of HI_X Phase/H₂SO₄ Phase for Improvement of Phase Separation Efficiency in the Bunsen Reaction Section

Abstract:

The H₂SO₄ phase and HI_x phase solution produced from Bunsen reaction section in SI (Sulfur-iodine) process were supplied to the phase separator for the continuous operation of SI process. However, the separation of Bunsen products in the phase separator is difficult because an excess of HI_x phase solution existed in the phase separator than the H₂SO₄ phase solution. Therefore, the additional supply of H₂SO₄ to the phase separator as the phase separation method was considered for improvement of phase separation efficiency. In this work, the variations in volume ratio and composition of each phase solution were examined after the Bunsen product mixing on the HI_x phase/H₂SO₄ phase volume ratio. As the results, the variation in composition of products increases with increase of the HI_x phase/H₂SO₄ phase volume ratio after mixing. It was also found that the high variations in composition and volume ratio of Bunsen products by mixing in the presence of excess HI_x phase. From the results, we concluded that the phase separation method, additional supply of H₂SO₄ phase solution to the phase separator, is effective in Bunsen product separation when the variation in composition is little.