本文分别以稻壳和稻壳灰为原料，研究了由稻壳制备活性炭、由稻壳灰制备植物油精炼中的脱色剂和水玻璃与白炭黑的方法，并对产品的功能性质加以分析。
The technologies were studied for the production of activated carbon, an adsorbent for the soy oil industry, sodium silicate and white carbon black from rice hull (RH) or rice hull ash (RHA).
以四种粉末状活性炭作为脱色剂，对猪血粉水解液进行脱色比较，结果表明：江西产的4号粉末状活性炭脱色效果最佳。
The hydrolysate of porcine blood power is decoloured with four kinds of active carbon. The result indicated that decolouring effect of active carbon No. 4 was the best.
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