【摘要】 本文论述了硫酸锌溶液电积过程中产生的富氧槽气的回收和利用问题。这是一项至今尚未被综合开发的、有潜在价值的氧源。槽气是一种氧含量大、氢含量少的混合气体。槽气中氢氧比取决于电解槽的密闭程度和电积技术条件,如电流密度、电流效率等。文中提出的“半封闭式简易槽面下抽吸捕气法”,通过用空气稀释的方法可以得到含氢远低于“氢爆”极限以下,完全可作为有色冶炼所需的富氧气体。更多还原

【Abstract】 This paper describes the problem of recovery and utilization of oxygen-rich cellgas obtained from electrolytic zinc cells, which has never been used as a valuable resource of oxygen. This cell-gas is a mixture containing a large amount of oxygen formed at the anode and a small amount of hydrogen formed at the cathode. The O₂ to H₂ ratio is dependent upon the mode of enclosure of the electrolysis cell and the technical conditions such as current density, current efficiency etc. In this investigation a simple recovery method using a semi-enclosed type cell has been developed, by which a cell-gas containing 25-35% oxygen and 1-4% hydrogen can be obtained. The cell-gas can be used in oxygen-enriched smelting of nonferrous metals or other combustion processes. Other benefits are the elimination of acid mist pollution during electrowinning of zinc and an increase in metal recovery.更多还原