Diatomaceous earth filter apparatus and method
US10427076B2 · kind B2 · utility
4Cited by
41References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2015 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Mar 31, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/96
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for removing diatomaceous earth and contaminants from a filter, and for filtering liquid using diatomaceous earth is provided. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments can also include a backwash sprayer to disturb contaminants during the backwash process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.