在美国环境保护局位于俄亥俄州辛辛那提的测试与评估（T&E）设施进行了中试规模实验，以研究通过接触颗粒过滤去除微小隐孢子虫。实验表明微小隐孢子虫卵囊的有效运输以及附着条件造成的限制。单收集器传输和碰撞效率的计算定量地支持了这一观察结果。描述了去除微小隐孢子虫和高岭土颗粒之间的行为差异，表明后者可能不是去除卵囊的合适替代物。 包括21个参考文献、表格和图表。

Pilot-scale experiments were conducted at the US Environmental Protection Agency's Test & Evaluation (T&E) Facility in Cincinnati, Ohio, to investigate removal of Cryptosporidium parvum by contact granular filtration. The experiments indicated efficient transport of Cryptosporidium parvum oocysts and limitations posed by attachment conditions. The observation was quantitatively supported by calculations of the single collector transport and collision efficiencies. Depicted behavioral difference between removal of Cryptosporidium parvum and Kaolin clay particles indicated that the latter may not be an appropriate surrogate for oocyst removal. Includes 21 references, tables, figures.