Solubilization of organic materials in wastewater treatment
US4882059A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1987 |
| Grant date | Nov 21, 1989 |
| Priority date | — |
| Expiry date | Nov 25, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F3/342
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for solubilizing particulate or colloidal materials in wastewater treatment comprising the steps of cultivating aerobic bacteria in the presence of oxygen in an activator solution containing a food source until the level of the food source drops below 50 mg/l of soluble chemical oxygen demand (sCOD) and said bacteria begin producing increased amounts of enzymes which solubilize particulate or colloidal materials thereby producing activated bacteria and thereafter contacting said activated bacteria or enzymes with said particulate or colloidal materials under conditions which solubilize said particulate or colloidal materials. The method is particularly useful for solubilizing particulate and/or colloidal materials containing insoluble starch, grease, fat and protein with enzymes such as amylase, lipase and/or protease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.