Mineralogical Characteristics, Ammonia Nitrogen Adsorption Process and Characteristics of Roasted Attapulgite

DENG Chen; YANG Bingfei

doi:10.13779/j.cnki.issn1001-0076.2020.01.004

2020 Vol. 40, No. 1

Article Contents

Article navigation > Conservation and Utilization of Mineral Resources > 2020 > 40(1): 23-27

Next Article Previous Article

DENG Chen, YANG Bingfei. Mineralogical Characteristics, Ammonia Nitrogen Adsorption Process and Characteristics of Roasted Attapulgite[J]. Conservation and Utilization of Mineral Resources, 2020, 40(1): 23-27. doi: 10.13779/j.cnki.issn1001-0076.2020.01.004

Citation:

DENG Chen, YANG Bingfei. Mineralogical Characteristics, Ammonia Nitrogen Adsorption Process and Characteristics of Roasted Attapulgite[J]. Conservation and Utilization of Mineral Resources, 2020, 40(1): 23-27. doi: 10.13779/j.cnki.issn1001-0076.2020.01.004

Mineralogical Characteristics, Ammonia Nitrogen Adsorption Process and Characteristics of Roasted Attapulgite

DENG Chen,
YANG Bingfei^,

School of Gem and Material Technology, Hebei GEO University, Shijiazhuang 050031, China

More Information

Corresponding author: YANG Bingfei, u7758@126.com

Received Date: 25 October 2019

Publish Date: 25 February 2020

Abstract

Abstract

Taking natural attapulgite as the experimental sample, roasted was carried out to analyze its mineralogical characteristics and study the removal process and characteristics of simulated ammonia nitrogen wastewater by attapulgite at different calcined temperatures. The results showed that the water loss gradually increased with the increase of temperature after attapulgite was roasted, and new minerals began to appear when the temperature reach 600 ℃. After roasted at 450 ℃, attapulgite had the best effect on ammonia nitrogen removal, and the ammonia nitrogen removal rate was 60.06%. The adsorption process has a high degree of fitting with the quasi-second-order reaction kinetics equation and Langmuir isotherm. Attapulgite is dominated by chemical adsorption. The adsorption process is characterized by rapid adsorption in the early stage and slow balance in the later stage.
- attapulgite /
- roasting /
- ammonia nitrogen /
- adsorption /
- feature

FullText(HTML)

References

[1]	杨苏.微波改造提高天然沸石脱氮性能及机理研究[D].北京: 北京科技大学, 2013: 47-49. Google Scholar
[2]	Hanxin Huo, Hai Lin, Yingbo Dong, etc. Mmonia-nitrogen and phosphates sorption from simulated reclaimed waters by modified clinoptilolite[J]. Journal of Hazardous Materials, 2012(229-230):292-297. Google Scholar
[3]	Rozic M, Cerjan S S, Kurajica S, et al. Ammoniacal nitrogen removal from water by treatment with clay and zeolites[J]. Elsevier Science, 2000, 34(14):3675-3681. Google Scholar
[4]	Jha V K, Hayashi S. Modification on natural clinoptilolite zeolite for its NH₄⁺ retention capacity[J]. J. Hazard. Mater., 2009, 169(1/2/3):29-35. Google Scholar
[5]	Rozic M, Cerjan Stefanovic S, Kurajica S, et al. Ammoniacal nitrogen removal from water by treatment with clay and zeolites[J]. Elsevier Science, 2000, 34(14):3675-3681. Google Scholar
[6]	Kley I, Traa Y. Influence of acid sites on the propene selectivity during propane dehydrogenation on zeolite Pt/Zn, Na-MCM-22[J]. Micropor. Mesopor. Mater, 2012, 164(1):145-147. Google Scholar
[7]	彭芬, 郭海军, 王璨, 等.凹凸棒石黏土的提纯及其吸附性能的研究[J].应用化工, 2018, 47(12):2674-2677. doi: 10.3969/j.issn.1671-3206.2018.12.029 CrossRef Google Scholar
[8]	董文凯, 王文波, 王爱勤.凹凸棒石功能化及其吸附应用研究进展[J].高分子通报, 2018(8):87-98. Google Scholar
[9]	R. Leboda, S. Chodorowski, J. Skubiszewska-Zie ba, et al. Effect of the carbonaceous matter deposition on the textural and surface properties of complex carbon-mineral adsorbents prepared on the basis of palygorskite[J]. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2001, 178:113-128. Google Scholar
[10]	杨苏.微波改造提高天然沸石脱氮性能及机理研究[D].北京: 北京科技大学, 2013. Google Scholar
[11]	王萌, 房春生, 颜昌宙, 等.沸石的改性及其对氨氮吸附特征[J].环境科学研究, 2012, 25(9):1024-1029. Google Scholar
[12]	钱吉彬, 杨朗, 张华, 等.镇江斜发沸石对氨氮的吸附动力学及热力学研究[J].环境工程学报, 2011, 5(2):327-330. Google Scholar
[13]	NIBOU D, MEKATEL H, AMOKRANE S, et al. Adsorption of Zn²⁺ ions onto Na A and Na X zeolites:kinetic, equilibrium and thermodynamic studies[J]. J Hazard Mater, 2011, 173(1/3):637-646. Google Scholar
[14]	杨炳飞, 林海, 董颖博.氢氧化钠预处理和盐热复合改性对沸石氨氮吸附性能的影响[J].硅酸盐学报, 2017, 45(2):303-311. Google Scholar
[15]	杨炳飞, 林海, 董颖博, 等.复合改性沸石颗粒吸附氨氮过程及特征[J].过程工程学报, 2017, 17(1):103-109. Google Scholar
[16]	林海, 刘泉利, 董颖博.柠檬酸钠改性对沸石吸附水中低浓度碳、氮污染物的影响研究[J].功能材料, 2015, 46(3):3064-3068, 3072. doi: 10.3969/j.issn.1001-9731.2015.03.013 CrossRef Google Scholar