| 摘要 |
<p>Homogeneous, generally spherical, pelletised, effluent cleaning, composition contains 45-65% by wt of an alkali hydroxide, 4-10% by wt of particulate Al and abt 20-30% be wt of alkali nitrate, and the spherical pellets have a size corresponding to mesh width of 9.4-3.3 mm.</p> |
