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阔叶材木炭水蒸气活化的最佳工艺条件的研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
1986年01期
Page:
31-42
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A STUDY ON OPTIMUM TECHNOLOGICAL CONDITIONS FOR ACTIVATING HARDWOOD CHARCOAL WITH STEAM
Article ID:
1000-2006(1986)01-0031-12
Author(s):
Huang Luxian Wang Minxue Wu Yuping Li Liangren& Zhou Famao
Department of Chemical Processing of Forest Products
Keywords:
Hardwood charcoal Activated carbon Steam activations Optimum technology conditions Activation temperature Activation time
Classification number :
-
DOI:
10.3969/j.jssn.1000-2006.1986.01.004
Document Code:
A
Abstract:
Experiments showed that the variations of the amount of steam, temperature and time has great effects on the decoloring power for methylene blue and yield of activated carbon obtained from commercial hardwood charcoal by steam.Activated carbon with improved decoloring power 170ml/g of 0.15% methylene blue solution obtained from commereial hardwood charcoal are manufactured in the following optimum conditions: amount of steam l:1.31-charcoal(g): H2O (ml); activation temperature 900℃; activation time 4 hrs. Then the yield of activated carbon is 15%, and 44% of activated carbon with methylene blue absorptivity 110ml/g could be obtained from commercial hardwood charcoal by activation with steam(1:0.87) at the temperature of 850℃ for 2hsr.

References

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Last Update: 1900-01-01