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首页> 外文期刊>Resources, Conservation and Recycling >Analysis of the factors influencing the removal of oil from used automotive oil filters during recycling operations
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Analysis of the factors influencing the removal of oil from used automotive oil filters during recycling operations

机译：在回收操作中影响从二手汽车机油滤清器中除油的因素分析

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摘要

More than 425 million used oil filters (UOFs) are discarded annually in the United States. These filters contain an estimated 67 500 m~3 (17.8 million gallons) of used oil that could leach from landfills and pollute soil and water. The Environmental Protection Agency (EPA) has mandated that non terne-plated used oil filters which have been gravity hot drained for at least 12 h are considered non-hazardous and acceptable for landfilling. Filters must be either punctured in the dome end, punctured in the anti-siphon valve, or crushed before draining to meet the requirements for this EPA exemption. This paper evaluates the factors which affect the removal of used oil from UOFs by gravity hot-draining and crushing. The factors studied include oil temperature and viscosity, dome-end puncturing, draining orientation, filter design, time, and crushing force. Of these factors, oil temperature, puncturing of the dome end, filter orientation, and filter design were found to have a significant impact on oil removal by gravity draining. Orientation is very important because an oil filter drained to EPA's recommendations still contains a significant quantity of oil which has a high probability of draining because of normal changes in the orientation of a filter during transport or placement in a landfill. During crushing, oil temperature, filter design, and crushing force were found to significantly impact oil removal.
机译：在美国，每年有超过4.25亿个二手机油滤清器（UOF）被丢弃。这些过滤器估计含有67 500 m〜3（1780万加仑）的废油，它们可能会从垃圾填埋场中浸出，污染土壤和水。环境保护署（EPA）规定，重力热排放至少12小时的非镀锡废油滤清器被认为是无害的，可以被填埋。过滤器必须在圆顶端刺破，在防虹吸阀中刺破或在排水之前压碎，以满足本EPA豁免的要求。本文评估了影响重力重力排水和压碎从UOF中去除废油的因素。研究的因素包括油温和粘度，圆顶端穿孔，排水方向，过滤器设计，时间和压碎力。在这些因素中，发现油温，圆顶端的穿孔，过滤器的方向和过滤器的设计对重力排出的油去除具有重大影响。方向非常重要，因为按照EPA的建议排放的机油滤清器仍然包含大量机油，由于在运输或放置在垃圾填埋场中时滤机方向的正常变化，机油的排放可能性很高。在破碎过程中，发现油温，过滤器设计和破碎力会显着影响除油效果。

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