钛铁矿造孔核桃壳基活性炭的制备及其吸附性能

Environmental Protection of Chemical Industry(2013)

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Abstract
以核桃壳为原料,钛铁矿为造孔剂,制备钛铁矿造孔核桃壳基活性炭。实验结果表明:在氯化锌浓度为3 mol/L、碳化时间为40 min、碳化温度为400℃、钛铁矿加入量为5%的条件下,制得的钛铁矿造孔核桃壳基活性炭对苯酚、碱性品红、Pb2+的吸附量分别达到了156.80,181.35,35.84 mg/g,比核桃壳活性炭分别提高了25.84%,18.59%,19.10%;钛铁矿作为造孔剂制备活性炭,可以降低碳化温度和缩短碳化时间,且对活性炭中孔的形成起促进作用,有利于对大分子物质和重金属的吸附去除。
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Key words
ilmenite,adsorption capability,activated carbon,walnut shell
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