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rice hull ash
相关语句
  稻壳灰
    A Study on Preparation of High-Purity Silica from Rice Hull Ash
    稻壳灰制高纯二氧化硅的研究
短句来源
    Preparation of adsorbent for soybean oil refining with rice hull ash
    稻壳灰制取大豆油精炼中脱色剂的研究
短句来源
    Silica was prepared from the reaction between sulphuric acid and sodium silicate solution, which was produced from the reaction between rice hull ash and sodium hydroxide solution. The silica was treated with washing by acid and water, drying and sintering. Then the high-purity silica was abtained.
    利用稻壳灰与氢氧化钠溶液反应制得的硅酸钠溶液和硫酸反应得二氧化硅 ,再经酸洗 ,水洗 ,干燥和煅烧得高纯二氧化硅 ,并研究了各种因素对二氧化硅中杂质的影响
短句来源
    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。
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  rice hull ash
Hydrothermal synthesis of cements from rice hull ash
      
This paper focuses on the application of silica rich, rice hull ash (RHA) from the rice industry as filler in polypropylene (PP).
      
Effect of coupling agents on the crystallinity and viscoelastic properties of composites of rice hull ash-filled polypropylene
      
Calcium silicate cements obtained from rice hull ash: A comparative study
      
Silanol groups that are present on the surface of rice hull ash or silica ash fillers can positively influence the reinforcing character of the filler.
      
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Silica was prepared from the reaction between sulphuric acid and sodium silicate solution, which was produced from the reaction between rice hull ash and sodium hydroxide solution. The silica was treated with washing by acid and water, drying and sintering. Then the high-purity silica was abtained. The influences of various factors on the impurities in the high-purity silica was investigated.

利用稻壳灰与氢氧化钠溶液反应制得的硅酸钠溶液和硫酸反应得二氧化硅 ,再经酸洗 ,水洗 ,干燥和煅烧得高纯二氧化硅 ,并研究了各种因素对二氧化硅中杂质的影响

Rice hull ash(RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.The capability of the adsorbent was tested and the factors which influenced the ability of adsorption were also investigated.The results show that the optimal alkali solution concentration is determined to be 2 mol/L,and activated with 5% H_2SO_4 for 4 hours at 90℃,then dried less than 200℃.The adsorbent prepared from RHA is superior to the commercial bleaching clay,with...

Rice hull ash(RHA) was activated with sulfuric acid after treatment with alkali soluted to produce an adsorbent for the soybean oil industry.The capability of the adsorbent was tested and the factors which influenced the ability of adsorption were also investigated.The results show that the optimal alkali solution concentration is determined to be 2 mol/L,and activated with 5% H_2SO_4 for 4 hours at 90℃,then dried less than 200℃.The adsorbent prepared from RHA is superior to the commercial bleaching clay,with the former rendering better decoloring capacity at half dosage as compared with of the latter.

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。探讨了碱液浓度、硫酸浓度、活化时间、活化温度等因素对脱色剂脱色能力的影响 ,并对脱色剂的性能作了研究。结果表明 ,碱液浓度最佳为 2mol/L ;活化过程可选择 5 %的硫酸 ,在 90℃下 ,活化 4h ,然后在不大于2 0 0℃的条件下干燥。产品的添加量较市售活性白土可减少一半 ,且脱色效果较好 ,适于连续操作。

 
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