A Method for the Simultaneous Cleansing of H2S and SO2

IF 2.3 Q3 ELECTROCHEMISTRY International journal of electrochemistry Pub Date : 2016-01-17 DOI:10.1155/2016/7628761
D. Uzun, E. Razkazova-Velkova, V. Beschkov, K. Petrov
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引用次数: 5

Abstract

A method for the simultaneous electrochemical purification of hydrogen sulfide and sulfur dioxide from sea water or industrial wastes is proposed. Fundamentally the method is based on the electrochemical affinity of the pair H2S and SO2. The reactions (oxidation of H2S and reduction of SO2) proceed on а proper catalyst in a flow reactor, without an external power by electrochemical means. The partial curves of oxidation of H2S and reduction of SO2 have been studied electrochemically on different catalysts. Following the additive principle the rate of the process has been found by intersection of the curves. The overall process rate has been studied in a flow type reactor. Similar values of the process rate have been found and these prove the electrochemical mechanism of the reactions. As a result the electrochemical method at adequate conditions is developed. The process is able to completely convert the initial reagents (concentrations ), which is difficult given the chemical kinetics.
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一种同时净化H2S和SO2的方法
提出了一种电化学同时净化海水或工业废水中硫化氢和二氧化硫的方法。从根本上说,该方法是基于对H2S和SO2的电化学亲和力。反应(H2S的氧化和SO2的还原)在流动反应器中使用合适的催化剂进行,不需要外部的电化学电源。研究了不同催化剂上H2S氧化和SO2还原的部分曲线。根据加性原理,通过曲线交点求出了该过程的速率。在流动型反应器中研究了总工艺速率。发现了相似的反应速率值,证明了反应的电化学机理。因此,在适当的条件下,发展了电化学方法。该过程能够完全转换初始试剂(浓度),这在化学动力学中是困难的。
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自引率
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发文量
2
审稿时长
7 weeks
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