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Effects of process parameters and ash on the adsorption properties of activated carbon from coals
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نویسنده
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gao f. ,han l. ,li k.
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منبع
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journal of the chemical society of pakistan - 2013 - دوره : 35 - شماره : 2 - صفحه:324 -328
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چکیده
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Super-activated carbon was prepared from three representative shanxi coals,i.e. datong bituminous coal,yangquan anthracite and jincheng anthracite by koh activation. the optimum parameters were obtained by comparing ccl4 absorption values of activated carbon (ac). in addition,pristine coal and ac were deashed by acid washing,respectively. the effect of ash content on the adsorption properties of ac was studied. the results indicate that ccl4 adsorption value of ac from yangquan anthracite with deashing treatment reaches up to 3301 mg/g when the activated temperature,activated time and ratio of alkali to carbon are 1830 °c,60 min and 5/1,respectively.
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کلیدواژه
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Activated carbon; Adsorption properties; Ash; Process parameters
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آدرس
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college of materials science and engineering,taiyuan university of technology, China, college of materials science and engineering,taiyuan university of technology, China, key laboratory of carbon materials,institute of coal chemistry,chinese academy of sciences,taiyuan, China
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Authors
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