| 摘要 |
<p>Latex waste waters are adjusted to pH 2-4 (for example with HCl or H2SO4), followed by addition of a precipitant such as Al2(SO4)3 or FeCl3 to coagulate latex; coagulate is treated with milk of lime, pref. at pH >=6, partic. 6.5-8, and flocculated material is removed from waste water by flotation or filtering.</p> |
