| 摘要 |
<p>PURPOSE:To obtain a colorless, transparent liquid by flocculating resin components, COD, T-N, and P2O5 to remove them, by adding a compound which products at thermal decomposition are CaO-MgO-SiO2 group to a waste liquid containing emulsion or latex. CONSTITUTION:Flocculation is effected by adding a compound which products at thermal decomposition are CaO-MgO-SiO2 group (where, in particular, by weight ratio, CaO/MgO>1, MgO/SiO2>1. CaO+MgO+SiO2>80%) to a waste liquid containing emulsion or latex. In this manner, resins which cause opaque colors is removed, making thus the waste liquid colorless and transparent, and, at the same time, thereby COD, T-N, P2O5 are removed. Further, flocculated matters thus produced are easily precipitated and removed, decreasing thereby the quantity of sludge produced.</p> |
