摘要
研究了常温(18℃)条件下粉末活性炭(PAC)、颗粒活性炭(GAC)、天然膨润土和天然海泡石4种吸附剂对对氯苯酚(4-CP)的静态吸附规律,考察了投加灭活活性污泥对吸附性能的影响。结果表明:4种吸附剂对4-CP的吸附符合Langmiur和Freundlich吸附等温式,且吻合良好;4种吸附剂对4-CP的饱和吸附量不同,大小顺序为:PAC>GAC>天然膨润土>天然海泡石;灭活活性污泥与4种吸附剂共存时,降低了4种吸附剂对4-CP的吸附能力。
At the normal temperature （18℃）, the adsorptive pattern of powdered activated carbon （PAC）, granular activated carbon（ GAC）, natural bentonite and natural sepiolite for 4-Chlorophenol were studied, respecbvely, as well as the influence of inactivated sludge on adsorptive capacity of four adsorbents. The results indicated that the adsorbents all followed the Langmuir and the Freundlich adsorption equations. The sequence for their limiting adsorption capacity of the adsorbents was PAC 〉 GAC 〉 natural bentonite 〉 natural sepiolite. The masses of 4-Chlorophenol adsorpted by the four adsorbents all reduced with containing inactivated sludge.
出处
《城市环境与城市生态》
CAS
CSCD
2010年第3期26-29,共4页
Urban Environment & Urban Ecology
基金
国家水体污染控制与治理科技重大专项(2008ZX07106-003)
教育部新世纪人才支持计划(NCET-07-0780)
关键词
活性炭
天然膨润土
天然海泡石
对氯苯酚
吸附性能
activated carbon
natural bentonite
natural sepiolite
4-Chlorophenol
adsorption
