bleaching earth

1. Bleaching of laundry, tanning of human skin, formation of Earth's ozone layer, and many industrial reactions are also photochemical.
   洗衣过程中的漂白、皮肤的晒黑、太阳电池中能量的储存以及许多工业的反应也都是光化学反应。
2. The author introduces the methods of oil recovering from spent bleaching earth, regeneration of spent bleaching earth and household cleanser producing by using spent bleaching earth.
   作者介绍了从废白土中回收油脂，废白土的再生及用度白土制取去污粉的方法。
3. Function of Bleaching Earth Adsorption and Deodorization in Refining Processing
   白土吸附和脱臭工艺在精炼过程中的作用
4. Dimer acids was synthesized from soybean oil fatty acid by granular activated bleaching earth. The influence factors on the yield of the reaction, such as the amount of catalyst, reaction temperature and reaction time were investigated.
   以粒状活性白土为催化剂，对大豆油脂肪酸为原料催化合成二聚酸进行了研究，考察了催化剂、反应温度、时间等因素对反应的影响。
5. Synthesis of Dimer Acids by Granular Activated Bleaching Earth
   粒状活性白土催化合成二聚酸的研究
6. The results show that the granular activated bleaching earth is an effective catalyst. The optimum conditions are as follows: the amount of catalyst 12%, reaction temperature 220 ℃, reaction time 6 hours. At the optimum conditions the yield of dimmer acids is 81.30%.
   实验结果表明，粒状活性白土是一种有效的催化剂，在催化剂用量12%，反应时间6h，反应温度220℃的条件下，产率可达81.30%。
7. Spent bleaching earth is a kind of by-product in an oil-fat plant and it contains 20% to 40% of oil.
   废白土是油脂加工厂的一种副产品，其中含有20%～40%的油脂。
8. Study on Surface Phase Characteristics of Kraft Pulp in Oxygen Bleaching with Rare Earth Complex
   稀土助漂时硫酸盐木浆表面相特征的研究
9. Bleaching and Dyeing of Wool with Rare Earth Elements
   全毛绒线稀土元素漂白及染色
10. If using 6# Solvent to extract the oil from the Used Bleaching Earth, we can reduce the balance oil content from 28% to 1.8%.
    采用6溶剂油浸提废白土中的油脂，可使废白土中的残油从28%降至18%。

noun

1. an adsorbent clay that will remove coloring from oils

   Synonym:    bleaching clay