技术文摘 关键词：酸化稻壳灰，废煎炸油，活性白土，脱色 [gap=460]Key words: activated rice hull ash; used frying oil; activated bleaching earths; bleach
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Rice hull ash (RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.
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。
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).
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。
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