Treatment of laundry water
A process for purification of waste water from domestic laundry washing involves the use of flocculents for removal of soils by floc formation and separation, prior to re-use. The flocculent system comprises a primary flocculent of multivalent cations/polyethylene imines with a polyelectrolyte as se...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A process for purification of waste water from domestic laundry washing involves the use of flocculents for removal of soils by floc formation and separation, prior to re-use. The flocculent system comprises a primary flocculent of multivalent cations/polyethylene imines with a polyelectrolyte as secondary flocculent. A water purification kit comprising flocculent, a washing container for carrying out a household washing process and a detergent composition comprising a polyelectrolyte secondary flocculent are also disclosed. |
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