Absorption of Sulfur Dioxide by Iron(II) Hydroxide Solution in a Multiplate Bubble Column under Magnetic Field

Abstract

In this work, the utilization of iron(II) hydroxide (Fe(OH)2) slurry as the absorbent in wet flue gas desulfurization was investigated. The most important reason for selecting Fe(OH)2 is that iron sulfate, formed by captured sulfur dioxide, can be converted back to Fe(OH)2. First, in the experiments, a bubble column was used with continuous gas and liquid flow. Second, perforated plates were used in the same column. Lastly, a magnetic field was applied to this multiplate bubble column so that the flow of Fe(OH)2 slurry could be affected by the magnetic field because of the electric charge of Fe2+. It was found that the multiplate bubble column performed better than the single‐stage bubble column, and application of the magnetic field further enhanced the absorption efficiency.

Synthesized and characterized high‐performance and low‐cost zirconium phosphate‐additive sulfonated polyethersulfone membranes for PEMFC

“…Today, a large part of the increasing energy needs due to population growth and developing technology are met by fossil fuels 1 . The harms of greenhouse gases released during the usage of fossil fuels as energy sources to human health and the environment, and the fact that fossil fuel resources will be run out soon, make renewable energy mandatory 2–4 . On the other hand, fossil fuel prices have experienced recent instability, leading oil‐importing countries to explore alternative solutions.…”

Bionic Packings Enhance the Absorption of SO2 in a Bubble Column

“…Lu et al 19 used stirring to increase gas−liquid dispersions and mass transfer in the bubble reactor. Yoruk et al 20 added perforated plates to increase the residence time of liquid and allow cross-flow contact between gas and liquid to increase the absorption rate of SO 2 . Im et al 21 reported the introduction of a sieve tray on mass transfer rate and found that a larger hole sieve achieved a better mass transfer rate than a smaller hole sieve due to the breakage of large bubbles without the formation of a gas cap.…”