化学

• 脱色

  Or 0.1mol/LFeCl3 was added to solution to make salt out, then H2O2 was used to decolour pectin and 70% ethanol acid solution used to eliminate iron in pectin and, finally the pectin was refined by 70% ethanol.

  或者加入0.1 mol/L「e引。 进行盐析，加入双氧水脱色，然后用70%的酸性乙醇溶液脱盐，最后用70%乙醇精制得果胶产品。

环境科学技术

• 脱色

  In this paper, the optimum operational conditions are established, and efficient flocculant Polysilicia-Aluminum Chloride (PASC) are prepared to decolour the effluent from bioreactor as last step for the wastewater treatment.

  本文针对该类废水的特性,考虑到经济实用原则,采用生物法对其进行处理,确定最佳的工艺条件,并根据实验室现有条件,制备出高效硅铝复合絮凝剂,对生物出水进行最后的脱色处理。