An apparatus for refining a liquid stream using 180 degree redirection and inclined plates. The apparatus includes a first flow chamber, a second flow chamber, and a separation chamber. The first flow chamber directs the liquid stream downwards in a first direction at a first velocity, the second fl
An apparatus for refining a liquid stream using 180 degree redirection and inclined plates. The apparatus includes a first flow chamber, a second flow chamber, and a separation chamber. The first flow chamber directs the liquid stream downwards in a first direction at a first velocity, the second flow chamber directs the liquid carrier upwards in a second direction opposite the first direction, and the separation chamber is disposed between the first flow chamber and the second flow chamber. The separation chamber includes a redirection portion that has inclined plates across which the liquid carrier flows and, as the liquid slows from a first velocity to a second velocity, the solid particles fall out of the liquid carrier and collect in the collection portion of the separation chamber.
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1. An apparatus for refining a liquid stream, wherein the liquid stream comprises a liquid carrier having solid particles mixed therein, wherein the solid particles have a specific gravity that is greater than a specific gravity of the liquid carrier, the apparatus comprising: a first flow chamber f
1. An apparatus for refining a liquid stream, wherein the liquid stream comprises a liquid carrier having solid particles mixed therein, wherein the solid particles have a specific gravity that is greater than a specific gravity of the liquid carrier, the apparatus comprising: a first flow chamber for directing the liquid stream downwards in a first direction at a first velocity, wherein the first direction is substantially parallel to gravity and the first velocity is greater than a settling velocity of the solid particles in the liquid carrier;a second flow chamber for directing the liquid carrier upwards in a second direction opposite the first direction at a second velocity less than the settling velocity; anda separation chamber disposed between the first flow chamber and the second flow chamber, the separation chamber comprising a redirection portion and a collection portion, wherein: the redirection portion of the separation chamber comprises inclined plates across which the liquid carrier flows;the redirection portion of the separation chamber redirects flow in the first direction from the first flow chamber to a third direction substantially perpendicular to the first direction and redirects flow in the third direction into the second flow chamber;flow of the liquid carrier through the redirection portion of the separation chamber slows from the first velocity to the second velocity; andthe solid particles fall out of the liquid carrier in the redirection portion and collect in the collection portion of the separation chamber. 2. The apparatus of claim 1, wherein: the inclined plates define inclined channels fluidly coupling an outlet of the first flow chamber and an inlet of the second flow chamber; andthe liquid carrier flows into the inclined channels in the third direction. 3. The apparatus of claim 1, wherein: the second flow chamber is an annulus formed around the first flow chamber; andthe third direction is radially outward. 4. The apparatus of claim 3, wherein: the inclined plates in the redirection portion of the separation chamber are circumferentially spaced apart in an annular formation; andthe annular formation of inclined plates is positioned proximate an inlet of, and substantially concentric with the annulus that is, the second flow chamber. 5. The apparatus of claim 1, wherein a slope of the inclined plates is between about 20 degrees and about 65 degrees. 6. The apparatus of claim 1, wherein a slope of the inclined plates is about 55 degrees. 7. The apparatus of claim 1, wherein the cross-sectional area of the second flow chamber is between about 1.5 and about 3 times the cross-sectional area of the first flow chamber. 8. The apparatus of claim 1, wherein the liquid stream is free of flocculants. 9. The apparatus of claim 1, wherein the first flow chamber, the second flow chamber, and the separation chamber are free of moving parts. 10. The apparatus of claim 1, wherein the first flow chamber, the second flow chamber, and the separation chamber are free of interchangeable media. 11. The apparatus of claim 1, wherein liquid carrier also has a lower-density liquid mixed therein, wherein the lower-density liquid has a specific gravity that is less than the specific gravity of the liquid carrier, the apparatus further comprising: a third flow chamber for directing the liquid carrier, substantially free of solid particles, downwards in the first direction; anda top separation chamber disposed between the second flow chamber and the third flow chamber, the top separation chamber comprising a top redirection portion and a top collection portion, wherein: the top redirection portion of the top separation chamber redirects flow in the second direction from the second flow chamber at a third velocity to the first direction in the third flow chamber at a fourth velocity;the third velocity is greater than a rise-velocity of the lower-density liquid in the liquid carrier and the fourth velocity is less than the rise-velocity; andthe lower-density liquid rises out of the liquid carrier in the top redirection portion of the top separation chamber and collects in the top collection portion of the top separation chamber. 12. The apparatus of claim 11, wherein: the top redirection portion of the top separation chamber comprises top inclined plates across which the liquid carrier flows;the top redirection portion of the top separation chamber redirects flow in the second direction from the second flow chamber to a fourth direction substantially perpendicular to the first and second directions and redirects flow in the fourth direction into the third flow chamber; andflow of the liquid carrier through the top redirection portion of the top separation chamber slows from the third velocity to the fourth velocity. 13. The apparatus of claim 12, wherein: the top inclined plates define top inclined channels fluidly coupling an outlet of the second flow chamber and an inlet of the third flow chamber; andthe liquid carrier flows out of the top inclined channels in the fourth direction. 14. The apparatus of claim 12, wherein: the second flow chamber is an annulus formed around the third flow chamber;the third direction is radially outward; andthe fourth direction is radially inward. 15. The apparatus of claim 14, wherein: the top inclined plates in the top redirection portion of the top separation chamber are circumferentially spaced apart in an annular formation; andthe annular formation of the top inclined plates is positioned proximate an outlet of, and substantially concentric with the annulus that is, the second flow chamber. 16. The apparatus of claim 11, wherein the second flow chamber comprises coalescing media. 17. A method for refining a liquid stream, wherein the liquid stream comprises a liquid carrier having solid particles mixed therein, wherein the solid particles have a specific gravity that is greater than a specific gravity of the liquid carrier, the method comprising: flowing the liquid stream through a first flow chamber in a first direction at a first velocity, wherein the first direction is substantially parallel to gravity and the first velocity is greater than a settling velocity of the solid particles in the liquid carrier;redirecting the liquid carrier 180 degrees such that the liquid carrier flows into a second flow chamber in a second direction opposite the first direction at a second velocity less than the settling velocity, wherein: during redirecting the liquid carrier, the liquid carrier flows into inclined channels in a third direction substantially perpendicular to the first and second directions; andthe inclined channels are defined by inclined plates and fluidly couple an outlet of the first flow chamber and an inlet of the second flow chamber; andcollecting the solid particles as the solid particles fall out of the liquid carrier during redirecting the liquid carrier. 18. The method of claim 17, further comprising electrostatically charging the inclined plates. 19. The method of claim 17, wherein the first velocity is about twice the second velocity. 20. An apparatus for refining a liquid stream, wherein the liquid stream comprises a liquid carrier having solid particles mixed therein, wherein the solid particles have a specific gravity that is greater than a specific gravity of the liquid carrier, the apparatus comprising: a first flow chamber for directing the liquid stream downwards in a first direction at a first velocity, wherein the first direction is substantially parallel to gravity and the first velocity is greater than a settling velocity of the solid particles in the liquid carrier;a second flow chamber for directing the liquid carrier upwards in a second direction opposite the first direction at a second velocity less than the settling velocity, wherein the second flow chamber is an annulus formed around the first flow chamber; anda separation chamber disposed between the first flow chamber and the second flow chamber, the separation chamber comprising a redirection portion and a collection portion, wherein: the redirection portion of the separation chamber comprises inclined plates across which the liquid carrier flows;the inclined plates define inclined channels fluidly coupling an outlet of the first flow chamber and an inlet of the second flow chamber;the inclined plates are circumferentially spaced apart in an annular formation;the annular formation of inclined plates is positioned proximate an inlet of, and substantially concentric with the annulus that is, the second flow chamber;the redirection portion of the separation chamber redirects flow in the first direction from the first flow chamber to a radially outward direction substantially perpendicular to the first direction and redirects flow in the radially outward direction into the second flow chamber;the liquid carrier flows into the inclined channels in the radially outward direction;flow of the liquid carrier through the redirection portion of the separation chamber slows from the first velocity to the second velocity; andthe solid particles fall out of the liquid carrier in the redirection portion and collect in the collection portion of the separation chamber.
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