Process for reducing BOD in food processing plant wastes
US4013555A · kind A · utility
23Cited by
6References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 1976 |
| Grant date | Mar 22, 1977 |
| Priority date | — |
| Expiry date | Mar 24, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/54
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process for reducing BOD in aqueous food processing plant wastes which comprises subjecting such wastes to the following series of sequential steps: PA1 A. adjusting the pH of the waste to 3 or less to form finely divided suspended particles; PA1 B. readjusting the pH of the waste with sodium aluminate to a value within the range of 6-7.5; PA1 C. flocculating the particles with an anionic acrylamide polymer; and then PA1 D. removing and collecting the flocculated particles from the food processing plant wastes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.