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首页> 外文会议>Fertilizer Latin Americano >Disinfection of cooling tower waters at an ammonia production facility using only on- site generated mixed oxidant solution (MOS)
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Disinfection of cooling tower waters at an ammonia production facility using only on- site generated mixed oxidant solution (MOS)

机译：仅使用现场产生的混合氧化溶液（MOS）消毒冷却塔水在氨生产设施中的氨化塔水

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Disinfection is a critical aspect of cooling tower water treatment both for safety (i.e. Legionella control) and operational (eliminating biofilm to maximize heat transfer efficiency and minimize microbial induced corrosion) reasons. Cooling waters containing high levels of ammonia, which increases the complexity of the disinfection process, are commonly found in the ammonia production industry. Ammonia in cooling waters is commonly assumed to interfere with hypochlorite-based disinfection programs, which are in turn expected to be insufficient alone to control microbial populations and require additives such as bromide or non-oxidizing biocides to provide sufficient disinfection. However, there is a growing body of evidence demonstrating that disinfection of ammonia containing waters with on-site generated Mixed Oxidant Solution (MOS) can effectively control microbial populations in these waters without additives. MOS is an industry proven disinfection technology which is produced on-site through the electrolysis of sodium chloride (salt) brines, providing cost savings, improved disinfection efficacy, and increased worker safety. Recently, a large ammonia production facility converted their cooling tower disinfection program from a chlorine gas/bromide combination to treatment with MOS only. Experiences from this conversion, including a side-by-side comparison of these two disinfection programs at the same facility, will be discussed in this presentation.
机译：消毒是冷却塔水处理的关键方面，用于安全（即军团菌控制）和操作（消除生物膜最大化传热效率并最小化微生物诱导的腐蚀）的原因。含有高水平氨水量的冷却水质增加了消毒过程的复杂性，常见于氨生产行业。冷却水中的氨通常假设干扰基于次氯酸盐的消毒计划，这反过来又预期单独不能单独控制微生物群，并且需要添加剂如溴化物或非氧化杀菌剂以提供足够的消毒剂。然而，存在越来越多的证据证明含有现场产生的混合氧化溶液（MOS）的含氨水的消毒可以有效地控制这些水中的微生物群体而无需添加剂。 MOS是一种行业经过验证的消毒技术，通过氯化钠（盐）盐水的电解生产，提供成本节约，改善消毒效率和增加的工人安全性。最近，大型氨生产设施将其冷却塔消毒计划从氯气/溴组合转换为用MOS处理。在本演示文稿中将讨论此转换的经验，包括在同一设施处的这两个消毒计划的并排比较。

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