净水技术
淨水技術
정수기술
Water Purification Technology
2015年
5期
54-59,69
,共7页
王芳%罗琳%易建龙%刘富安%魏建宏%张琪
王芳%囉琳%易建龍%劉富安%魏建宏%張琪
왕방%라림%역건룡%류부안%위건굉%장기
粉煤灰%赤泥%陶粒%三价锑Sb(Ⅲ)%吸附%再生
粉煤灰%赤泥%陶粒%三價銻Sb(Ⅲ)%吸附%再生
분매회%적니%도립%삼개제Sb(Ⅲ)%흡부%재생
coal ash%red mud%ceramsite%trivalent antimony [Sb(Ⅲ)]%adsorption regeneration
研究了陶粒对废水中 Sb(Ⅲ)的吸附性能,并探讨了影响吸附的因素和吸附机理。结果表明当陶粒烧制温度为1000℃,振荡温度为25℃,废水 pH为自然 pH,陶粒投加量为8 g / L时,对50 mL 4 mg / L的 Sb(Ⅲ)溶液吸附100 min,Sb(Ⅲ)的去除率可达99.25%;反应符合二级动力学方程,相关系数(R2)为0.9987;陶粒吸附 Sb(Ⅲ)同时符合 Langmuir 模型和Freundlich模型,对 Sb(Ⅲ)的理论饱和吸附量为0.889 mg/ g。
研究瞭陶粒對廢水中 Sb(Ⅲ)的吸附性能,併探討瞭影響吸附的因素和吸附機理。結果錶明噹陶粒燒製溫度為1000℃,振盪溫度為25℃,廢水 pH為自然 pH,陶粒投加量為8 g / L時,對50 mL 4 mg / L的 Sb(Ⅲ)溶液吸附100 min,Sb(Ⅲ)的去除率可達99.25%;反應符閤二級動力學方程,相關繫數(R2)為0.9987;陶粒吸附 Sb(Ⅲ)同時符閤 Langmuir 模型和Freundlich模型,對 Sb(Ⅲ)的理論飽和吸附量為0.889 mg/ g。
연구료도립대폐수중 Sb(Ⅲ)적흡부성능,병탐토료영향흡부적인소화흡부궤리。결과표명당도립소제온도위1000℃,진탕온도위25℃,폐수 pH위자연 pH,도립투가량위8 g / L시,대50 mL 4 mg / L적 Sb(Ⅲ)용액흡부100 min,Sb(Ⅲ)적거제솔가체99.25%;반응부합이급동역학방정,상관계수(R2)위0.9987;도립흡부 Sb(Ⅲ)동시부합 Langmuir 모형화Freundlich모형,대 Sb(Ⅲ)적이론포화흡부량위0.889 mg/ g。
The adsorption property of red mud ceramsite for Sb (Ⅲ)wastewater was investigated,and influencing factors and mechanism of adsorption were also analyzed. The results show that removal rate of Sb(Ⅲ)adsorbed in 100 min in 50 mL 4 mg / L Sb(Ⅲ)solution reaches 99. 25%,when calcination temperature of ceramsite is 1 000 ℃,dosage of ceramsite is 8 g / L,reaction temperature is 25 ℃ and pH needn't adjust. The high correlation coefficient (R2 = 0. 998 7)agrees well with pseudo second-order kinetics. The adsorption of ceramsite on Sb(Ⅲ)can be described well by Langmuir and Freundlich isotherm models. The maximum adsorption capacity is 0. 889 mg/ g based on the analysis of Langmuir model.