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首页> 外文期刊>International Sugar Journal >Erythorbate, an alternative to sulfite in the prevention of corrosion in sugar mill boilers
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Erythorbate, an alternative to sulfite in the prevention of corrosion in sugar mill boilers

机译：红藻酸盐，亚硝酸盐在防止糖磨机中的腐蚀中的替代方案

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摘要

Sulphite based oxygen scavengers have previously been shown to not react as expected with dissolved oxygen in sugar mill feed water to effectively remove it. Alternative oxygen scavengers were studied with respect to their ability to react with dissolved oxygen in sugar mill feed water. An erythorbate based product was able to reduce the dissolved oxygen concentration in the feed water and the oxidation reduction potential (ORP) of the system compared to periods of dosing with sulphite. A tannin based product did not appear to have any measureable impact on either dissolved oxygen or ORP. Measurements of typical corrosion product concentrations, iron and copper, in the feed water suggested that the reduction of oxygen and ORP by the erythorbate also resulted in reduced corrosion rates. Further, extended, trials will be needed to confirm this.
机译：亚硫酸盐基氧气清除剂先前已被证明在糖厂饲料水中的溶解氧没有预期的反应，以有效地取出它。研究了替代的氧气清除剂，相对于它们在糖磨机中与溶解氧反应的能力。与用亚硫酸盐的定量给药相比，基于羟基酯基的产物能够减少进料水中的溶解氧浓度和系统的氧化还原电位（ORP）。基于单宁的产品没有对溶解的氧气或ORP产生任何可测量的影响。在进料水中测量典型腐蚀产品浓度，熨斗和铜表明红藻酸盐的氧气和ORP的减少也导致腐蚀率降低。此外，需要扩展，试验来确认这一点。

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