| 摘要 |
<p>1481337 Agglomerating alkali metal sulphates and/or sulphites INDUSTRIAL RESOURCES Inc 15 Oct 1974 [31 Oct 1973] 44622/74 Heading C1A The solubility of an alkali metal sulphur oxide waste material is reduced by forming agglomerate particles of oxide and alumina- and silica-containing ash and heating the particles to 1000-2300‹ F for a time sufficient to sinter the particles, the sulphur oxide of the alkali metal being a sulphate or a sulphite or a mixture of the two in amounts selected to produce no substantial degassing of SO 2 or SO 3 .</p> |
