Apparatus for treating water by flocculation and/or crystalline precipitation, settling and sludge recycling
US4579655A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1984 |
| Grant date | Apr 1, 1986 |
| Priority date | — |
| Expiry date | Oct 2, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D21/286
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for the treatment of water to remove colloidal and suspended matter therefrom includes a reaction tank for receiving water to be treated and for forming sludge of flocculated or crystalline precipitated matter contained in the water. A concentrating tank receives the water and sludge from the reaction tank, removes sludge and matter from the water, and concentrates the sludge. A lamella settling tank receives from the concentrating tank the water and removes therefrom by settling remaining sludge and matter. A portion of the sludge from the concentrating tank prior to the maximum concentration thereof is recycled to the reaction tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.