| 摘要 |
<p>A process for purification of waste water from domestic laundry washing processes and re-using the water, preferably in washing or rinsing steps. The process uses flocculents for removal of soils by floc formation and separation. The invention also relates to water purification compositions comprising primary and secondary flocculents for additions simultaneously or preferably sequentially for use in the claimed processes, kits supplying unit dosages of flocculents, apparatus for separating flocs from treated water and detergent compositions comprising flocculents.</p> |
