湿法冶金
濕法冶金
습법야금
HYDROMETALLURGY OF CHINA
2014年
3期
196-198
,共3页
微波%碱溶%粉煤灰%硅%铝
微波%堿溶%粉煤灰%硅%鋁
미파%감용%분매회%규%려
microwave%alkali dissolution%fly ash%silicon%aluminum
研究了用微波加热碱液溶出法回收粉煤灰中的硅和铝。结果表明：在微波加热温度90℃、浸出时间1 h、液固体积质量比15∶1、氢氧化钠浓度7．5 mol/L条件下，硅浸出率为85．62％，铝浸出率为51．41％。该方法具有工艺简单、操作简便、成本低等优点。
研究瞭用微波加熱堿液溶齣法迴收粉煤灰中的硅和鋁。結果錶明：在微波加熱溫度90℃、浸齣時間1 h、液固體積質量比15∶1、氫氧化鈉濃度7．5 mol/L條件下，硅浸齣率為85．62％，鋁浸齣率為51．41％。該方法具有工藝簡單、操作簡便、成本低等優點。
연구료용미파가열감액용출법회수분매회중적규화려。결과표명：재미파가열온도90℃、침출시간1 h、액고체적질량비15∶1、경양화납농도7．5 mol/L조건하，규침출솔위85．62％，려침출솔위51．41％。해방법구유공예간단、조작간편、성본저등우점。
Alkali dissolution of silicon and aluminum from fly ash by microwave heating was researched .T he results show that under the conditions of dissolution temperature of 90 ℃ ,dissolution time of 1 h ,ratio between liquid volume and solid mass of 15∶1 and NaOH concentration of 7 .5 mol/L ,silicon dissolution rate reach 85 .62% ,aluminum dissolution rate reach 51 .41% .T he process has advantages of simple ,easy operation and low cost .
