Removal of oxygen demand and nitrogen using different particle-sizes of anthracite coated with nine kinds of LDHs for wastewater treatment
作者： Xiangling Zhang , Lu Guo , Yafen Wang , Congying Ruan
DOI: 10.1038/SREP15146
关键词: Anthracite 、 Chemical oxygen demand 、 Wastewater 、 Chemical engineering 、 Nitrogen 、 Constructed wetland 、 Sewage treatment 、 Chemistry 、 Layered double hydroxides 、 Particle size
摘要: This paper reports the application of anthracite particles different sizes and coated with nine kinds layered double hydroxides (LDHs) varying in M(II)-M(III) cations, as alternative substrates simulated vertical-flow constructed wetland columns. Effects LDHs-coating particle size modified anthracites were examined to evaluate their abilities removing oxygen demand nitrogen from sewage wastewater. Results showed that LDHs modification effectively enhanced removal organics. The efficiencies total (TN) , ammonia chemical (COD) best improved by 28.5%, 11.9% 4.1% for medium (1-3 mm), followed 9.2%, 5.5% 13.6% large (3-5 mm), respectively. Only TN was up 16.6% small (0.5-1 mm). Nitrate tended accumulate fluctuate greatly across all treatments, probably due dominancy aerobic condition Overall, MgFe-LDHs selected best-modified coating anthracite. results suggested would be one promising strategies provide new-types highly efficient lasting substrates.
nature.com
harvard.edu
sci-hub.se 参考文章(33)
Jianbo Li, Yue Wen, Qi Zhou, Zhao Xingjie, Xie Li, Silu Yang, Tao Lin, Influence of vegetation and substrate on the removal and transformation of dissolved organic matter in horizontal subsurface-flow constructed wetlands. Bioresource Technology. ,vol. 99, pp. 4990- 4996 ,(2008) , 10.1016/J.BIORTECH.2007.09.012
Hassina Zaghouane-Boudiaf, Mokhtar Boutahala, Loubna Arab, Removal of methyl orange from aqueous solution by uncalcined and calcined MgNiAl layered double hydroxides (LDHs) Chemical Engineering Journal. ,vol. 187, pp. 142- 149 ,(2012) , 10.1016/J.CEJ.2012.01.112
Jianyong Liu, Chao Duan, Jizhi Zhou, Xiangling Li, Guangren Qian, Zhi Ping Xu, Adsorption of bacteria onto layered double hydroxide particles to form biogranule-like aggregates Applied Clay Science. ,vol. 7576, pp. 39- 45 ,(2013) , 10.1016/J.CLAY.2013.02.007
Bruce Jefferson, Joanna E Burgess, Aude Pichon, Joanne Harkness, Simon J Judd, Nutrient addition to enhance biological treatment of greywater. Water Research. ,vol. 35, pp. 2702- 2710 ,(2001) , 10.1016/S0043-1354(00)00553-4
XiaoFeng Sun, Tsuyoshi Imai, Masahiko Sekine, Takaya Higuchi, Koichi Yamamoto, Ariyo Kanno, Shiori Nakazono, Adsorption of phosphate using calcined Mg3–Fe layered double hydroxides in a fixed-bed column study Journal of Industrial and Engineering Chemistry. ,vol. 20, pp. 3623- 3630 ,(2014) , 10.1016/J.JIEC.2013.12.057
S.M. Ashekuzzaman, Jia-Qian Jiang, Study on the sorption–desorption–regeneration performance of Ca-, Mg- and CaMg-based layered double hydroxides for removing phosphate from water Chemical Engineering Journal. ,vol. 246, pp. 97- 105 ,(2014) , 10.1016/J.CEJ.2014.02.061
L LV, J HE, M WEI, D EVANS, Z ZHOU, Treatment of high fluoride concentration water by MgAl-CO3 layered double hydroxides: Kinetic and equilibrium studies Water Research. ,vol. 41, pp. 1534- 1542 ,(2007) , 10.1016/J.WATRES.2006.12.033
Mahamudur Islam, Rajkishore Patel, Synthesis and physicochemical characterization of Zn/Al chloride layered double hydroxide and evaluation of its nitrate removal efficiency Desalination. ,vol. 256, pp. 120- 128 ,(2010) , 10.1016/J.DESAL.2010.02.003
Song Jin, Paul H. Fallgren, Jeffrey M. Morris, Qi Chen, Removal of bacteria and viruses from waters using layered double hydroxide nanocomposites Science and Technology of Advanced Materials. ,vol. 8, pp. 67- 70 ,(2007) , 10.1016/J.STAM.2006.09.003
C.A. Prochaska, A.I. Zouboulis, Removal of phosphates by pilot vertical-flow constructed wetlands using a mixture of sand and dolomite as substrate Ecological Engineering. ,vol. 26, pp. 293- 303 ,(2006) , 10.1016/J.ECOLENG.2005.10.009