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首页> 外文期刊>Water Environment Research >Assessment of Internal and External Grease Interceptor Performance for Removal of Food-Based Fats, Oil, and Grease from Food Service Establishments
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Assessment of Internal and External Grease Interceptor Performance for Removal of Food-Based Fats, Oil, and Grease from Food Service Establishments

机译：评估内部和外部油脂拦截器性能以从食品服务场所中去除食物中的脂肪，油脂和油脂

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A research study was performed to determine the fats, oil, and grease (FOG) removal efficiency of internal flow-based grease interceptors (FGI). A passive-flow and a mechanical-flow FGI unit were tested and their performance was compared to an external retention-based grease interceptor (RGI). Experiments involved multiple parameters including three oil/water emulsion strengths, two influent liquid temperatures, and two flow rates. Overall, the RGI achieved approximately 80% FQG removal and the FGIs removed less than 50% under the tested conditions. One exception occurred during the passive FGI testing during which removal reached approximately 80%. This increased efficiency was likely due to the relatively weak emulsion exhibiting significantly large FOG globules. The FOG removal efficiency decreased with increased temperature because of increased breakage of FOG globules at the elevated temperature. These results suggest that emulsion strength significantly affects FOG removal efficiency of FGIs and should be considered in future manufacturer testing protocol. Water Environ. Res., 83, 882 (2011).
机译：进行了一项研究研究以确定内部流基油脂拦截器（FGI）去除油脂，油脂的效率。测试了被动流式和机械流式FGI单元，并将其性能与基于外部保留的油脂拦截器（RGI）进行了比较。实验涉及多个参数，包括三个油/水乳液强度，两个进水温度和两个流速。总体而言，在测试条件下，RGI去除了大约80％的FQG，而FGI去除了不到50％。被动FGI测试期间发生了一个例外，在此期间，移除率达到了约80％。这种提高的效率可能是由于相对较弱的乳液显示出明显较大的FOG小球。 FOG去除效率随温度升高而降低，这是因为在高温下FOG小球的破裂增加了。这些结果表明，乳液强度会显着影响FGI的FOG去除效率，因此应在以后的制造商测试协议中予以考虑。水环境。 Res.83，882（2011）。

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