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首页> 外文期刊>Plasma and Fusion Research >Degradation of Acetic Acid in Water Using Gas-Liquid Plasma with SPG Membrane
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Degradation of Acetic Acid in Water Using Gas-Liquid Plasma with SPG Membrane

机译：SPG膜气液等离子体降解水中的乙酸

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The gas-liquid mixed phase plasma generated by a nanoseconds-pulsed discharge in bubbles was used for degradation of acetic acid in water. A Shirasu porous glass (SPG) membrane tube was adopted as micro-bubble generator and part of a discharge reactor. A large number of tiny bubbles are generated from dense micro-pores (average diameter of φ50 μm) of the SPG wall and a discharge through SPG membrane was initiated between high voltage electrode and bubble surface. Comparing with a resin tube reactor which has six mechanical holes (diameter of φ1 mm), the surface area of bubbles increased with the same gas flow rate. The hydrogen peroxide (H2O2) concentration in treated water using SPG membrane reactor increased by about 71% compared with that using the resin tube reactor, and the degradation amount of acetic acid was also promoted by about 82% when Ar gas was used with the flow rate of 2 L/min. Meanwhile the H2O2 production and degradation of acetic acid proportionally increased with the growth of gas flow rate in the SPG membrane reactor.
机译：通过气泡中的纳秒脉冲放电产生的气-液混合相等离子体用于降解水中的乙酸。采用Shirasu多孔玻璃（SPG）膜管作为微气泡发生器和放电反应器的一部分。 SPG壁的致密微孔（平均直径为φ50μm）产生大量细小气泡，并且在高压电极与气泡表面之间通过SPG膜放电。与具有六个机械孔（直径为φ1mm）的树脂管式反应器相比，气泡的表面积在相同的气体流速下增加了。使用SPG膜反应器的处理水中的过氧化氢（H 2 O 2 ）浓度比使用树脂管反应器的处理水中增加了约71％，并且降解量当以2 L / min的流速使用Ar气体时，乙酸还可以提高约82％。同时，随着SPG膜反应器中气体流速的增加，乙酸的H 2 O 2 的产生和降解成比例增加。

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