气液固三相流化床内氧化吸附组合联用处理含酚废水.pdf

化工进展
458
CHEMICAL INDUSTRY AND ENGINEERING PROGRESS
2012年第31卷第2期
研究开发
气液固三相流化床内氧化吸附组合联用处理含酚废水
周立2,钟宏,杨湘洪
(中南大学化学化工学院,湖南长沙410083;2湖南工学院机械工程系,湖南衡阳421002
3广东中山火炬职业技术学院装备制造系,广东中山528436)
摘要:研究了在气液固三相流化床内使用 Fenton试剂、H103树脂氧化吸附组合联用处理模拟含酚度水的新
エ艺。探讨了pH值、反应温度、反应时间、气流速度、树脂固合率等因素对苯酚去除率的影响。实验结果表明
在模拟含酚废水pH=4、苯酚质量浓度为100mgL、通气量为0.12mh的条件下,当单纯米用氧化法处理,在
温度为60℃、反应30min后,苯酚去除率为95.67%;而采用氧化吸附组合法,在温度为30℃、树脂固含率
为4%、反应25min后,苯酚去除率能够达到99.52%
关鍵词:含酚废水; Fenton试剂;大孔树脂;苯酚去除率
中图分类号:X703.1
文献标志码:A
文章编号:1000-6613(2012)02-0458-05
Phenolic wastewater treatment by combination of oxidation combined
ith adsorption and in
a gas-liquid-solie
id three-phase
fluidized bed reactor
ZHOU Li 2, ZHONG Hong, YANG Xianghong
(School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
Department of Mechanical Engineering, Hunan Institute of Technology, Hengyang 421002, Hunan, China
Department of Equipment Manufacture, Guangdong Zhongshan Torch Polytechnic
Zhongshan 528436, Guangdong, China
Abstract: The efficiency of Fenton agent combined with macroporous resin H103 was examined usin
phenol as a model compound in simulated wastewater in a gas-liquid fluidized bed. A batch study was
conducted to optimize parameters like the ph, temperature, reaction time, velocity and solid holdup
governing the process. The experimental results indicated that the phenol removal rate was 95.67%
only using the oxidation process at 60 C, PH=4, ventilation volume of0.12 m/h, after reaction time
of 30 min the phenol removal rate was 99.52% using the oxidation combined with adsorption process
at 30 C, PH=4, the resin solid holdup rate of%, ventilation volume of0.12 m/h, after reaction time
of 25 min. At this point the concentration of phenol was 100 mg/L.
Key words: phenol wastewater; Fenton reagent; macroporous resin; phenol removal rate
苯酚作为一种重要的有机合成原料,广泛应用
目前,国内外处理含酚废水的常用方法有:泥
于工业制造中2。由于苯酚具有致癌、致畸、致突
收稿日期:2011-09-21:修改稿日期:2011-10-1
变的潜在毒性,各国都相继提出了把苯酚列为水中
基金项目:湖南省自然科学基金(05J40018)及湖南省教育厅科研项
优先控制污染物。如何有效地处理含酚废水是环日(1108)
境污染防治领域迫切解决的问题。
第一作者及联系人:周立(1967-),男,副教授,博士生,研究方
向为环境化I。上- mail zhouli950810@163com