| Activated carbon has huge porosity , specific surface and excellent stability. It is one of the most popular and economical adsorbents and has been widely used for many decades. In the early days of activated carbon application, the powdered activated carbon (PAC) has replaced original bone charcoal in the process of sugar refinement gradually. During the world war I, the granular activated carbon (GAC) was firstly produced and applied in the gas mask; nowadays, GAC has played an important role in water treatment and environmental protection.It is effectually to decolor, easily and simply to handle and the whole production process is apt to realize continuous and automatic operation if we apply GAC in the liquid decoloration and refining.It will achieve excellent results to apply GAC in the process of liquid decoloration and refining. GAC is simple to handle and be apt to realize continuous and automatic processing.GAC is renewable, which will save resources and cut down secondary pollution, we can fully believe the GAC has good prospects in the industrial application. Having selected our institute self-made GAC which has high caramel decoloration as adsorbent, self-made B-caramel liquid and one corporation's citric acid liquor as adsorbate in this static adsorption experiment, the author tried to find out the best process conditions. Installing GAC into column, performing the dynamic adsorption experiment, plotting breakthrough curve, counting n (theoretical plate) and HETP (height of a theoretical plate), Recycling exhausted GAC, the author made the further study on different technics and conditions for acid and alkali regeneration of traditional way, which can...
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