摘要
回收4种新疆农业废弃物制备生物质炭,以亚甲基蓝为模拟物,研究不同炭材料的吸附性能。通过正交响应面试验,探究时间、温度、pH和添加量对炭材料吸附效果的影响。采用吸附动力学曲线、吸附等温线阐明不同炭材料的吸附特点,并对炭材料形貌特点进行表征。结果表明:4种炭材料的吸附率随时间、pH、添加量的增加而增加。吸附效果的大小顺序为玉米秆炭>枣枝炭>棉秆炭>核桃壳炭;吸附条件影响大小顺序为添加量>时间>pH>温度。其中玉米秆炭吸附效果最好,最高吸附率可达99.39%。
Four kinds of agricultural wastes in Xinjiang were recycled to prepare biomass carbon, and the adsorption properties of different carbon materials were studied by using methylene blue as simulant.The effects of time, temperature, pH and dosage on the adsorption of carbon materials were investigated by orthogonal response surface test.Adsorption kinetics curve and adsorption isotherm were used to clarify the adsorption characteristics of different carbon materials, and the morphology characteristics of carbon materials were characterized.The results showed that the adsorption rate of four kinds of carbon materials increased with the increase of time, pH and addition amount.Adsorption effect: corn stalk carbon>jujube branch carbon>cotton stalk carbon>walnut shell carbon.Adsorption conditions: dosage>time>pH>temperature.Among them, corn stalk carbon had the best adsorption effect, and the highest adsorption rate can reach 99.39%.
作者
陈聪
周岭
赵亚东
李安
吕喜风
Chen Cong;Zhou Ling;Zhao Yadong;Li An;Lv Xifeng(Key Laboratory of Modern Agricultural Engineering,Education Department of Xinjiang Uygur Autonomous Region,Alar 843300;School of Mechanical Electrification Engineering,Tarim University,Alar 843300;College of Life Sciences,Tarim University,Alar 843300)
出处
《化工新型材料》
CAS
CSCD
北大核心
2022年第2期187-191,共5页
New Chemical Materials
基金
南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室开放课题(FE202003)
兵团重点领域科技攻关项目(2019AB028)。
关键词
农业废弃物
炭化还田
吸附特性
亚甲基蓝
agricultural waste
carbonization and returning to field
adsorption characteristics
methylene blue
