稻壳灰经碱液处理后，再用硫酸活化以制取大豆油精炼中的脱色剂。
Rice hull ash (RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.
干燥无灰基固定碳含量增加，着火活化能增加，反应速率减小。
With the carbon content of dry ash-free basis increasing, ignition activation energy increases and reaction rate falls.
试验结果表明活化改性后的粉煤灰28天抗压强度较原灰提高15％，为其今后在优质粉煤灰混凝土中的应用提供了数据。
The experimental results reveal that, the 28d strength of the activated fly ash is higher of 15% than that of original fly ash, which will greatly improve the prospect of uses of fly ash.
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