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改性玉米秸秆活性炭制备及其对模拟废水的脱色性能

Textile Auxiliaries(2020)

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Abstract
以KHCO3为活化剂,采用高温热解和化学活化方法制备了改性玉米秸秆活性炭,用改性玉米秸秆活性炭对模拟废水进行脱色处理.影响脱色率的因素有活化剂与活性炭质量比、改性活性炭用量、温度、pH、吸附时间,采用L16(45)对这些因素进行正交实验,得出优化工艺为:活化剂与改性活性炭质量比2.0、改性活性炭用量0.65g/L、温度35℃、pH=9、吸附时间180 min.在该工艺下,平均脱色率为94.28%.
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