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AV- <br /> AW <br /> Basic Filter-31161 ner Separator <br /> �,w•" \,,. Effluent In ----- rPretltter <br /> Basic Skimmer Separator <br /> Effluenr �'� Charcoal Filter Oil <br /> In <br /> —► Oil <br /> Skim Oil <br /> Out <br /> i Skim Water <br /> Oil Out <br /> Out ='{ Water <br /> ! + `;' Out <br /> Fig'1. a'Vatural separatlo!t of oil from uxzter must take Fl 2 Fllte>~sifilnw W,Iuala <br /> place lsefore the oil layer can be sk{mored o }ut� ele• a <br /> times required for separation limits capacity of sk�ntm" metsFs`In`traases mainten�t d �c� �> <br /> units <br /> + re4ui remenfs <br /> �.. <br /> Belt/Rope Separator * Evaporator - Separator ' "" <br /> Motor-Driven Drum or Pulley vapor Outer , <br /> riuin urrter <br /> Oil Stripper d <br /> � � g <br /> Effluent <br /> In �. Effluent o o ° k <br /> In <br /> o �oto <br /> o• o- -Y�.�s�ir�s;oiimecban <br /> oil s' iQalpro� <br /> _ Cess wr <br /> ApaRpo ailonsys- <br /> ' '+ terns cannot be <br /> a a <br /> used with ef- <br /> Heater fluents contami- <br /> Unit nated with <br /> Fig.3. Moving belts or pads passing through effluent,_-, VOcs, <br /> collect oil on their surface. The stripper mechanically <br /> 47 <br /> removes the waste oil from the surface of these ele- Oil Out <br /> meats for collection. <br /> Fig.S. p Centrifugal Oil/Water Membrane <br /> �•,� :re�catapes- 9 Type Oil/Water <br /> ble of cnntinu- Separator Separator <br /> ous processing Effluent Prefilter <br /> of was&rwater In <br /> and produce Out Water <br /> higher through- Effluent —► <br /> put than other In <br /> methods. This — <br /> process is not <br /> applicable to ef- <br /> fluents contain- Oil Out _ l <br /> ing emulsifiedM <br /> oils. Water Membrane <br /> Out <br /> Pump <br /> j Water/Oil <br /> 11 Mixture <br /> 6.Membrane separators remove oil.hy progres- <br /> .. sive passes of effluent tbro d'nembrrate filter , <br /> Y <br /> Bate operation of these uaiits`'limits eJji e t�louix� <br /> rates. <br /> FILE 7520 <br /> . L-,, ,.= MAFCrfI 993• ENGINEERING•87 <br />