| 摘要 |
<p>A process for reducing the release of gas from dumped solid refuse comprises injecting into the solid refuse a liquid slurry formed by mixing a solid mixture comprising a) at least one siliceous component which is actually or latently hydraulic, b) at least one alkaline earth component based on CaO, Ca(OH)2, MgO or Mg(OH)2 as initiator for the hydraulic component, and c) anhydrous or hydrated calcium sulphite and/or sulphate, with water to form said liquid slurry. Component a) may be fly ash, boiler ash or slag, component b) may be partly replaced by alumina cement, component c) may be the dry residue of a sulphur dioxide spray adsorption plant and the water used may be water containing toxic substances.</p> |
