slop oil

基本解释

Accumulation of the leaked slop oil and waste water in the trench and the sewage well is another reason for higher COD in waste water.
泄漏的廢油和汙水，滙集在地溝和汙水井中，是廢水COD高的又一主要原因，。
2008.secco.com.cn
And then lately, people are very concerned about cooking oil, because thousands of people have been found [refining] cooking oil from restaurant slop.
最近，人們對食用油也很擔憂，大量的餐館被發現在使用“地溝油”。
Gas floating pond replaced oil interceptor. The removal rate of oil slop in output water has increased to 97.6%, and that of floating particles increased to 91.7%.
採用兩級罐除油，隔油池改氣浮池，出水汙油去除率提高到97 6 % ，懸浮物去除率提高到91 7% ；