JOURNAL OF TEXTILE RESEARCH ›› 2017, Vol. 38 ›› Issue (02): 146-151.

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Adsorption properties of oxides loaded wool activated carbon for simulated dye wastewater

  

  • Received:2016-10-18 Revised:2016-11-18 Online:2017-02-15 Published:2017-02-27

Abstract:

In order to improve the adsorption decoloring capacity of wool activated carbon, Fe (NO3) 3 and Cu (NO3) 2 were used as dipping solution to prepare wool activated carbon which was loaded with different kinds of metal oxide. The loading effect of metal oxide loaded wool activated carbon was analysed by scanning electron microscopy, transmission electron microscopy, X-ray diffraction and specific surface area experiment. The influences of adsorption properties upon the wool activated carbon were studied by ultraviolet-visible spectrophotometery. The results show that the adsorption and decolorization effect of wool activated carbon can be improved by the loaded oxide, and the effect of iron oxide is better than copper oxide. The optimum process parameters are as follows: Fe(NO3)3 is 0.2-0.25mol/L, load calcination time of 2 h and load calcinations temperature of 400℃.

Key words: wool activated carbon, load oxide, adsorption property, loading processes

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