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首页> 外文会议>16th Annual technical conference and exposition of the American Filtration and Separations Society >REMOVAL OF SURFACTANTS IN AVIATION TURBINE FUEL BY CLAYTREATMENT IN THE PRESENCE OF STATIC DISSIPATER ADDITIVE
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REMOVAL OF SURFACTANTS IN AVIATION TURBINE FUEL BY CLAYTREATMENT IN THE PRESENCE OF STATIC DISSIPATER ADDITIVE

机译：存在静电分散剂的情况下通过粘土处理去除航空涡轮机中的表面活性剂

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摘要

Properly functioning filter/separator systems essential for maintaining aviation fuel free from dirtrnand “free” water can be deactivated by strong surfactants. These surfactants are normallyrnremoved from unadditized fuels using clay treatment. Recently, there has been interest in addingrnstatic dissipater additive to aviation fuel in the United States. Unfortunately, the static dissipaterrnadditive could adsorb on the clay, rendering the clay incapable of removing the other surfactants.rnWhile experimental determination of the amount and rate of static dissipater additive andrnsurfactant removed is easily determined when present in fuel individually, there is no readilyrnavailable technique for determining the concentrations of surfactant and static dissipater additivernwhen both are present. A combination of experimental and theoretical calculations must be usedrnto provide a measure for the effectiveness of clay treatment.rnA methodology for evaluating the effect of static dissipater additive on the ability of clay tornremove strong surfactants is presented. Individual adsorption isotherms for the surfactant andrnstatic dissipater additive are determined experimentally. These are incorporated into a theoreticalrnadsorption model to determine the behavior of the clay treatment. The results are presented for arnsystem of Calcium Aerosol OT as a surrogate strong surfactant and Stadis 450?. The results forrnusing clay treatment to remove strong surfactants in the presence of static dissipater additive arerndiscussed.
机译：维持航空燃料中不含尘垢和“游离”水必不可少的功能正常的过滤器/分离器系统，可以通过强表面活性剂使其失活。通常使用粘土处理将这些表面活性剂从未添加的燃料中去除。近来，在美国已经有兴趣向航空燃料中添加静电耗散添加剂。不幸的是，静电耗散添加剂可能吸附在粘土上，从而使粘土无法去除其他表面活性剂。虽然在燃料中单独存在时容易确定静电耗散添加剂和表面活性剂的去除量和速率的实验确定方法，但尚无现成的技术同时测定表面活性剂和静电消散剂添加剂的浓度。必须结合实验和理论计算，以提供一种衡量粘土处理效果的方法。提出了一种评估静电耗散剂对粘土去除强表面活性剂能力影响的方法。实验确定了表面活性剂和静电消散添加剂的各个吸附等温线。将这些结合到理论吸附模型中以确定粘土处理的行为。结果是作为替代强表面活性剂和Stadis 450？的钙气溶胶OT的胺系统的。讨论了在静电消散剂存在下用粘土处理去除强表面活性剂的结果。

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