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요약정보
改性木屑对尿液废水中氨氮的吸附性能研究 / Adsorption capacity of modified wood chips to ammonia nitrogen in urine wastewater
Resource Type
Academic Journal
Authors
宗悦
;
王祎涵
;
Zong Yue
;
Wang Yihan
Source
供水技术 / Water Technology
. 15(3):16-20
Subject
改性木屑
尿液废水
氨氮
吸附
Language
Chinese
ISSN
1673-9353
Online Access
Find it @ DONGA
초록
采用热解+NaOH浸泡改性处理杨木屑和杉木屑,用于吸附处理尿液废水中的氨氮,对比木屑改性前后对氨氮的吸附效果.结合吸附动力学与吸附等温线模型分析,考察了吸附剂与废水接触时间、水温、废水pH和吸附剂投加量等因素对氨氮去除效果的影响.结果表明,木屑改性后比表面积增大,孔洞结构明显,对氨氮的吸附效果较改性前有显著提升;吸附反应的最佳运行条件为投加量40 g/L,温度25℃,初始pH=8,吸附反应120 min,此时改性杨木屑、改性杉木屑对氨氮的吸附率分别达到95.32%和76.21%.
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