☆ 4.7 Article

Adsorption of high ammonium nitrogen from wastewater using a novel ceramic adsorbent and the evaluation of the ammonium-adsorbed-ceramic as fertilizer

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2013)

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Journal

JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 393, Issue -, Pages 264-270

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2012.10.028

Keywords

High ammonium wastewater; Ceramic adsorbent; Kinetics; Isotherms; Fertilizer

Categories

Chemistry, Physical

Funding

  1. Japan Society for the Promotion of Science (JSPS) [22880007, 22248075]
  2. Grants-in-Aid for Scientific Research [22248025, 22880007] Funding Source: KAKEN

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A novel ceramic adsorbent was developed to adsorb ammonium from high concentration ammonium contaminated wastewater. Typical gardening cultivation mediums in Japan-Kanuma clay and Akadama clay were used to synthesize the ceramic adsorbent. Static batch experiments were conducted to investigate the effect of various parameters such as contact time, initial ammonium concentration, adsorbent dosage, and competing cations during the ammonium adsorption process. The results revealed that the Freundlich isotherm model fitted better with the adsorption process than the Langmuir model, and the adsorption process was well described by pseudo-second-order kinetic model. The maximum nitrogen adsorption capacity of the ceramic adsorbent was 75.5 mg g(-1) at an initial NH4+-N concentration of 10,000 mg L-1, dosage of 20 g L-1, and contact time of 480 min. Results demonstrated that the low-cost ceramic adsorbent directly used as nitrogen fertilizer was feasible for its high ammonium nitrogen content, nontoxic effect on the environment and excellent soil properties. (C) 2012 Elsevier Inc. All rights reserved.

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Morphology regulation of isomeric covalent organic frameworks for high selective light scattering detection of lead

Zheng-Fen Pu, Wen-Zhi She, Rong Sheng Li, Qiu-Lin Wen, Bi-Chao Wu, Chun-Hua Li, Jian Ling, Qiue Cao

Summary: This study synthesized two framework-isomeric covalent organic frameworks (COFs) and discovered that the light scattering signal of COFs can be used for the analytical detection of lead ions. By controlling synthesis conditions and introducing regulators, the morphology of COFs could be controlled and framework-isomeric COFs could be precisely synthesized.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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Article Chemistry, Physical

Preparation and dynamic color-changing study of fluorescent polymer nanoparticles for individualized and customized anti-counterfeiting application

Yuchen Weng, Ying Hong, Jingyu Deng, Sicheng Cao, Li-Juan Fan

Summary: This paper reports the preparation of dynamic color-changing fluorescent polymer nanoparticles (PNPs) by constructing a fluorescence resonance energy transfer (FRET) pair. The PNPs show excellent anti-counterfeiting effects and reproducibility. The study demonstrates a promising encryption strategy that can achieve multiple outputs with simple operation.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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Article Chemistry, Physical

Employing polyaniline/viologen complementarity to enhance coloration and charge dissipation in multicolor electrochromic display with wide modulation range

Guodong Liu, Zijian Wang, Jianing Wang, Hanbin Liu, Zhijian Li

Summary: This study investigates the combination of multicolor switchable polyaniline (PANI) electrode and 1-methyl-4,4'-bipyridyl iodide (MBI), which demonstrates superior optical properties in visible and near-infrared light modulation, as well as excellent electrochemical performances. This combination can be used to develop novel electrochromic devices for applications in smart packaging, smart labels, and flexible smart windows.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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Article Chemistry, Physical

Facile constructing Ti3C2Tx/TiO2@C heterostructures for excellent microwave absorption properties

Huying Yan, Yang Guo, Xingzhi Bai, Jiawei Qi, Haipeng Lu

Summary: By modifying Ti3C2Tx through heterogeneous interface engineering, optimized impedance matching is achieved, leading to enhanced electromagnetic wave absorption performance.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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Article Chemistry, Physical

Reversible crowdedness of pH-responsive and host-guest active polymersomes: Mimicking μm-sized cell structures

Kehu Zhang, Yang Zhou, Silvia Moreno, Simona Schwarz, Susanne Boye, Brigitte Voit, Dietmar Appelhans

Summary: This article presents an advanced crosslinking strategy to fabricate clustered polymersomes using host-guest interactions. By controlling the input of crosslinker and environmental conditions, reversible aggregation and disassembly of these polymersomes can be achieved. The size and structure of these clustered polymersomes can be regulated and visualized through a fluorescent enzymatic cascade reaction.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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Article Chemistry, Physical

Potassium regulating electronic state of zirconia supported palladium catalyst and hydrogen spillover for improved acetylene hydrogenation

Junjie Xu, Weixiong Huang, Ruiling Li, Li Li, Jinjin Ma, Jiaou Qi, Haiyan Ma, Min Ruan, Lilin Lu

Summary: In this study, a potassium doped palladium catalyst was developed for acetylene hydrogenation, showing excellent catalytic performance and durability. The doping of potassium effectively weakened the adsorption of ethylene, improved ethylene selectivity, and lowered the barriers of hydrogen activation and transfer reactions.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2024)

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