[1]马建锋,刘青,冯婷.羟基钙改性膨润土吸附含磷废水研究[J].常州大学学报(自然科学版),2017,(04):80-86.[doi:10.3969/j.issn.2095-0411.2017.04.013]
　MA Jianfeng,LIU Qing,FENG Ting.Adsorption of Phosphorus Containing Wastewater by Hydroxide Calcium Modified Bentonite[J].Journal of Changzhou University(Natural Science Edition),2017,(04):80-86.[doi:10.3969/j.issn.2095-0411.2017.04.013]
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羟基钙改性膨润土吸附含磷废水研究()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2017年04期
页码:
80-86
栏目:
环境科学与工程
出版日期:
2017-07-30

文章信息/Info

Title:
Adsorption of Phosphorus Containing Wastewater by Hydroxide Calcium Modified Bentonite
作者:
马建锋; 刘青; 冯婷
常州大学 环境与安全工程学院,江苏 常州 213164
Author(s):
MA Jianfeng; LIU Qing; FENG Ting
School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China
关键词:
羟基钙;  改性膨润土;  吸附;  含磷废水
Keywords:
hydroxidecalcium;  modified bentonite;  adsorption;  phosphorus wastewater
分类号:
X 52
DOI:
10.3969/j.issn.2095-0411.2017.04.013
文献标志码:
A
摘要:
采用半干法制备羟基钙膨润土,通过测定阴离子容量、钙离子含量以及XRD(X射线衍射)、FTIR(傅里叶变换红外光谱)对羟基钙膨润土进行表征,通过污染物初始浓度、接触时间、溶液pH以及温度等影响因素,探究羟基钙膨润土对含磷废水的吸附处理效果。结果表明:羟基钙膨润土对含磷废水的吸附平衡时间为80 min,平衡吸附量随温度升高而增加; 一定温度条件下,吸附量随溶液初始浓度增加而增加,但随着溶液初始P浓度的增加到一定程度时,羟基钙膨润土对P的去除率反而降低; 强碱性条件有利于吸附反应的进行,实验条件下的最大吸附量为33.52 mg·g-1(pH=12.9),去除率为92.82%。
Abstract:
Hydroxyl calcium bentonite was prepared by semi-drying method, and the hydroxyl calcium bentonite was characterized by determination of anion capacity, calcium content, XRD and FTIR. Through a survey of initial concentration of pollutants, pH and temperature, the adsorption treatment of phosphorus wastewater by hydroxyl calcium bentonite was investigated. The results showed that the equilibrium time of hydroxyl calcium bentonite for phosphorus wastewater adsorption was 80 min, and the equilibrium adsorption amount increased with the increase of temperature. Under certain temperature, the adsorption capacity increases with the initial concentration of the solution, but the removal rate of P decreases with the initial P concentration increasing to a certain extent. The results have showed a growth trend in the adsorption of P with the increase of the pH. When the pH was 12.9, the removal rate reached 92.82%.

参考文献/References:

[1]LIU S J,LI J,YANG Y K,et al. Influence of environmental factors on the phosphorus adsorption of lanthanum-modified bentonite in eutrophic water and sediment[J]. Environmental Science & Pollution Research,2016,23(3):2487-2494.
[2]吕晓丽,张奶玲,刘景华,等. 膨润土酸改性技术及改性土对水体中磷吸附研究[J]. 非金属矿,2006,29(6):53-54,66.
[3]夏春,陈琨,苏维词. 水中磷酸盐测定方法对比[J]. 贵州科学,2014,32(4):86-89.
[4]MA J F,ZOU J,CUI B Y,et al. Adsorption of orange II dye from aqueous solutions using phosphoric-acid modified clam shell powder[J]. Desalination and Water Treatment,2013,51(34/35/36):6536-6544.
[5]李琪琳. 碱性钙基膨润土的制备机理探索及其应用研究[D]. 南宁:广西大学,2007.
[6]毛格清. 活性白土制备强碱催化剂及催化合成生物柴油[D]. 南宁:广西大学,2012.
[7]李莉. 碱性白泥去除污水中氟、磷和阴离子染料的研究[D]. 青岛:中国海洋大学,2006.
[8]SOETAREDJO F,AYUCITRA A,ISMADJI S,et al. KOH/bentonite catalysts for transesterification of palm oil to biodiesel[J]. Applied Clay Science,2011,53(2):341-346.
[9]MA J F,QI J,YAO C,et al. A novel bentonite-based adsorbent for anionic pollutant removal from water[J]. Chemical Engineering Journal,2012,200:97-103.
[10]HOLMBOE M,WOLD S,JONSSON M. Porosity investigation of compacted bentonite using XRD profile modeling[J]. J Contam Hydrol,2012,128(1/2/3/4):19-32.
[11]MA J F,CUI B Y,DAI J,et al. Mechanism of adsorption of anionic dye from aqueous solutions onto organobentonite[J]. J Hazard Mater,2011,186(2/3):1758-1765.
[12]HAYATIASHTIANI M. Use of FTIR spectroscopy in the characterization of natural and treated nanostructured bentonites(montmorillonites)[J]. Particulate Science & Technology,2012,30(6):553-564.
[13]曹春艳,赵莹莹. 羟基铁柱撑膨润土处理含磷废水的研究[J]. 环境科学与技术,2013,36(4):164-167,194.
[14]JOHANSSON L. Phosphate removal using blast furnace slags and opoka-mechanisms[J].Water Research,2000,34(1):259-265.
[15]AGYEI N, STRYDOM C, POTGIETER J. An investigation of phosphate ion adsorption from aqueous solution by fly ash and slag[J].Cement and Concrete Research,2000,30(5):823-826.
[16]王峰,翟由涛,陈建林. 膨润土的改性及其对废水中磷吸附效果的研究[J]. 安徽农业科学,2011,39(10):5968-5970.
[17]LI R H,KELLY C,KEEGAN R,et al. Phosphorus removal from wastewater using natural pyrrhotite[J]. Colloids & Surfaces A Physicochemical & Engineering Aspects,2013,427(24):13-18.
[18]ZHU M X,DING K Y,XU S H,et al. Adsorption of phosphate on hydroxyaluminum-and hydroxyiron-montmorillonite complexes[J]. J Hazard Mater,2009,165(1/2/3):645-651.
[19]DITHMER L, NIELSEN U,LüRLING M,et al. Responses in sediment phosphorus and lanthanum concentrations and composition across 10 lakes following applications of lanthanum modified bentonite[J]. Water Res,2016,97(6):101-111.

备注/Memo

备注/Memo:
收稿日期:2016-11-30。基金项目:国家自然科学基金资助项目(21477009)。作者简介:马建锋(1976—),男,江苏南通人,博士,教授,主要从事水污染控制工程研究。
更新日期/Last Update: 2017-07-20