Removing Methylene Blue from Water by Steel Slag Adsorption

doi:10.12068/j.issn.1005-3026.2018.04.013

Abstract

Abstract: The effect of steel slag on adsorption behavior of methylene blue was studied using static batch experiments. The experimental results showed that the removal rate of methylene blue increases with the increase of the steel-slag dosage and decreases with the initial concentration of methylene blue. However， the removal efficiency， (i.e. the adsorbance per unit quality of the adsorbent) denotes an opposite tendency. When the initial pH value of the solution is 4， the adsorption of methylene blue onto steel slag is the best. The adsorption kinetics of methylene blue by steel slag obeys the Lagergren first-order equation. The equilibrated adsorption capacity increases with the increase of the initial concentration of methylene blue， while decreases with the increase of the steel-slag dosage. Analyzed by the Freundlich isotherm model， it indicates that the adsorption of methylene blue by steel slag is a favorable and spontaneous adsorption， which is mainly deduced by ion exchange in the outer surface of steel slag. The cations of methylene blue adsorb on the negative-charged spots on the steel-slag surface， meanwhile the adsorption can also be enhanced by the polymer formed by the methylene blue reacted with CaO.

Key words: adsorption, steel-slag, methylene blue, kinetics, adsorption isotherm

CLC Number:

X703.1

HU En-zhu， LI Qiu-yan， GAO Han， WANG Na-na. Removing Methylene Blue from Water by Steel Slag Adsorption[J]. Journal of Northeastern University Natural Science, 2018, 39(4): 516-521.

References

[1]Vakili M，Rafatullah M，Salamatinia B，et al.Application of chitosan and its derivatives as adsorbents for dye removal from water and wastewater:a review［J］.Carbohydrate Polymers，2014，113:115-130.
[2]Yagub M T，Sen T K，Afroze S，et al.Dye and its removal from aqueous solution by adsorption:a review［J］.Advances in Colloid and Interface Science，2014，209:172-184.
[3]Ning D，Song A，Fan F，et al.Effects of slag-based silicon fertilizer on rice growth and brown-spot resistance［J］.Plos One，2014，9(7):e102681.
[4]Gu H H，Li F P，Xiang G，et al.Remediation of steel slag on acidic soil contaminated by heavy metal.［J］.Asian Agricultural Research，2013(5):100-104.
[5]Han C，Wang Z，Yang H，et al.Removal kinetics of phosphorus from synthetic wastewater using basic oxygen furnace slag［J］.Journal of Environmental Sciences，2015，30(1):21-29.
[6]Drizo A，Forget C，Chapuis R P，et al.Phosphorus removal by electric arc furnace steel slag and serpentinite［J］.Water Research，2006，40(8):1547-1554.
[7]Gupta V K，Srivastava S K，Mohan D.Equilibrium uptake，sorption dynamics，process optimization，and column operations for the removal and recovery of malachite green from wastewater using activated carbon and activated slag［J］.Industrial & Engineering Chemistry Research，1997，36(6):2207-2218.
[8]Kim D H，Shin M C，Choi H D，et al.Removal mechanisms of copper using steel-making slag:adsorption and precipitation［J］.Desalination，2008，223(1/2/3):283-289.
[9]李连香，刘文朝，孙瑞刚，等.无定形氢氧化铝吸附剂的制备及其除氟性能研究［J］.水利水电技术，2017，48(3):93-98.(Li Lian-xiang，Liu Wen-chao，Sun Rui-gang，et al.Study on preparation of amorphous aluminum hydroxide adsorbent and its fluoride removal performance［J］. Water Resources and Hydropower Engineering，2017，48(3):93-98.)
[10]王玮，翟一静，徐向东，等.尼龙6纳米纤维膜的制备及其对己烷雌酚的吸附性能研究［J］.离子交换与吸附，2014，30(6):517-525.(Wang Wei，Zhai Yi-jing，Xu Xiang-dong， et al.Study on nylon 6 nanometer fiber membranes and their adsorption properties of estradiol ester［J］.Ion Exchange and Adsorption，2014，30(6):517-525.)
[11]王赛花，牛红云，蔡亚岐.新型石墨烯磁性复合材料的制备及其对水中亚甲基蓝的吸附去除［J］.分析测试学报，2015，34(2):127-133.(Wang Sai-hua，Niu Hong-yun，Cai Ya-qi.Fabrication of a novel Fe₃O₄@PDA@RGO composites and its application in adsorptive removal of methylene blue from aqueous solution［J］.Journal of Instrumental Analysis，2015，34(2):127-133.)(上接第510页)高速电弧喷涂层硬度(6.0GPa)的1.3倍.高速电弧喷涂层显微硬度值沿其厚度方向变化波动范围较大，而重熔处理后涂层显微硬度较稳定.3) 采用压痕法评价激光重熔前后FeNiCrAl涂层的断裂韧性.激光重熔处理后，当加载载荷在2.94~9.8N的范围变化时，涂层压痕对角线方向均没有观察到显微裂纹，其断裂韧性比高速电弧喷涂层有显著提高.

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