US2012012541A1PendingUtilityA1

Multiphase Particulate Separation Vacuum

Assignee: PEARSON DALEPriority: May 6, 2008Filed: Sep 28, 2011Published: Jan 19, 2012
Est. expiryMay 6, 2028(~1.8 yrs left)· nominal 20-yr term from priority
Inventors:Dale Pearson
C02F 2001/007C02F 1/004C02F 1/001
33
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Claims

Abstract

A vacuum system for wastewater removal and filtration, comprising: (1) at least one velocity reducing gravity separator, comprising: (a) a water input line; (b) a water velocity reduction mechanism at an end of the water input line; (c) a settling tank; and (d) a water output line; and (2) at least one negative pressure filter pump, comprising: (a) a water input line; (b) a water velocity reduction mechanism at an end of the water input line; (c) a filtration tank; (d) a filter cloth in the filtration tank; (e) a sump pump disposed on an opposite side of the filter cloth from the water input line; (f) a water output line connected to the sump pump; and (g) an air vacuum exit line.

Claims

exact text as granted — not AI-modified
1 . A method of filtering wastewater, comprising:
 passing the wastewater through a velocity reducing gravity separator having a settling tank, and a water velocity reduction mechanism to remove sediments from the wastewater; and then   passing the wastewater through a negative pressure filter pump having a filtration tank with a filter cloth therein; while simultaneously   vacuuming air out of the negative pressure filter pump and pumping the wastewater out of the negative pressure filter pump, wherein the wastewater is forced under pressure through the filter cloth.   
     
     
         2 . The method of  claim 1 , wherein passing the wastewater through a velocity reducing gravity separator comprises passing the wastewater through a water velocity reduction mechanism. 
     
     
         3 . The method of  claim 1 , wherein the filter cloth is positioned at an angle in the filtration tank. 
     
     
         4 . The system of  claim 3 , wherein the angle is about 45 degrees. 
     
     
         5 . The system of  claim 3 , wherein the filter cloth is positioned in a conical arrangement in the filtration tank. 
     
     
         6 . The system of  claim 1 , further comprising:
 passing the wastewater through at least one cartridge filter.   
     
     
         7 . The system of  claim 1 , wherein the wastewater is filtered at levels up to 1 micron.

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