| 摘要 |
<p>A filtration arrangement 10 including a closed pressure vessel 12 with an upper inlet 14 and a lower outlet 16. A particulate filter media 26 is provided in the vessel 12 with an upper layer 28 of walnut shell for oil removal, a finer garnet layer 30 for solids removed, and a coarser garnet support layer 32.</p> |
