초록 ▼

An improved mist collector arrangement is provided. The arrangement includes an improved pre-filter for mist collection. The pre-filter has a multi-stage construction, and includes a preferred intermediate stage of fibrous media. As a result of the improvement, preferred operation for liquid collect

An improved mist collector arrangement is provided. The arrangement includes an improved pre-filter for mist collection. The pre-filter has a multi-stage construction, and includes a preferred intermediate stage of fibrous media. As a result of the improvement, preferred operation for liquid collection under various circumstances is provided.

대표청구항 ▼

[ We claim:] [11.] A method of filtering air carrying airborne liquid oil contaminant; said method including a step of:(a) directing the air through a multi-stage pre-filter wrap under conditions of:(i) a face velocity within the range of 80 to 140 ft/min.;(ii) a liquid load rate of at least 75 mg/m

[ We claim:] [11.] A method of filtering air carrying airborne liquid oil contaminant; said method including a step of:(a) directing the air through a multi-stage pre-filter wrap under conditions of:(i) a face velocity within the range of 80 to 140 ft/min.;(ii) a liquid load rate of at least 75 mg/m.sup.3 ; and,(iii) continued operation for a period of at least 120 days without a pressure differential across the filter substantially exceeding 4 inches of H.sub.2 O.