NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能

昌晶, 王丽萍, 田红景. NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能[J]. 环境工程学报, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
引用本文: 昌晶, 王丽萍, 田红景. NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能[J]. 环境工程学报, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
CHANG Jing, WANG Liping, TIAN Hongjing. Adsorption ability of methylene blue on NaOH activated chestnut-bud bio-char[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
Citation: CHANG Jing, WANG Liping, TIAN Hongjing. Adsorption ability of methylene blue on NaOH activated chestnut-bud bio-char[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128

NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能

  • 基金项目:

    国家自然科学基金资助项目(51608291,51106077)

    山东省自然科学基金资助项目(ZR2015PE026)

    北京化工大学化工资源有效利用国家重点实验室开放课题(CRE-2013-C-302)

  • 中图分类号: X703

Adsorption ability of methylene blue on NaOH activated chestnut-bud bio-char

  • Fund Project:
  • 摘要: 以栗苞炭化料(C-BC)为原料,以NaOH为活化剂制备栗苞活化生物质炭(Na-BC),研究其对水中亚甲基蓝的吸附行为。选取炭碱比、活化温度和活化时间为影响因素,通过正交试验确定了最佳活化工艺,即炭碱比为1:4,活化温度为800℃,活化时间为30 min,此时Na-BC的最大吸附量为609.38 mg·g-1。对最优条件下制备的生物质炭进行SEM、BET等表征,比表面积达1 563.78 m2·g-1,总孔容达1.452 cm3·g-1。吸附实验结果显示,吸附反应能较好用Langmuir模型和准二级动力学方程模型进行模拟,Na-BC对亚甲基蓝的吸附为自发吸热反应。通过热法与碱法再生处理饱和吸附生物质炭,再生后的Na-BC对亚甲基蓝具有较好的吸附能力。
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出版历程
  • 收稿日期:  2016-05-04
  • 刊出日期:  2016-10-20
昌晶, 王丽萍, 田红景. NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能[J]. 环境工程学报, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
引用本文: 昌晶, 王丽萍, 田红景. NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能[J]. 环境工程学报, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
CHANG Jing, WANG Liping, TIAN Hongjing. Adsorption ability of methylene blue on NaOH activated chestnut-bud bio-char[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128
Citation: CHANG Jing, WANG Liping, TIAN Hongjing. Adsorption ability of methylene blue on NaOH activated chestnut-bud bio-char[J]. Chinese Journal of Environmental Engineering, 2016, 10(10): 5373-5379. doi: 10.12030/j.cjee.201602128

NaOH活化栗苞生物质炭对亚甲基蓝的吸附性能

  • 1.  青岛农业大学资源与环境学院, 青岛 266109
  • 2.  北京化工大学化工资源有效利用国家重点实验室, 北京 100029
  • 3.  青岛科技大学化工学院, 青岛 266042
基金项目:

国家自然科学基金资助项目(51608291,51106077)

山东省自然科学基金资助项目(ZR2015PE026)

北京化工大学化工资源有效利用国家重点实验室开放课题(CRE-2013-C-302)

摘要: 以栗苞炭化料(C-BC)为原料,以NaOH为活化剂制备栗苞活化生物质炭(Na-BC),研究其对水中亚甲基蓝的吸附行为。选取炭碱比、活化温度和活化时间为影响因素,通过正交试验确定了最佳活化工艺,即炭碱比为1:4,活化温度为800℃,活化时间为30 min,此时Na-BC的最大吸附量为609.38 mg·g-1。对最优条件下制备的生物质炭进行SEM、BET等表征,比表面积达1 563.78 m2·g-1,总孔容达1.452 cm3·g-1。吸附实验结果显示,吸附反应能较好用Langmuir模型和准二级动力学方程模型进行模拟,Na-BC对亚甲基蓝的吸附为自发吸热反应。通过热法与碱法再生处理饱和吸附生物质炭,再生后的Na-BC对亚甲基蓝具有较好的吸附能力。

English Abstract

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