Removing ammonium from water and wastewater using cost-effective adsorbents: A review

J Huang, NR Kankanamge, C Chow, DT Welsh… - Journal of …, 2018 - Elsevier
Ammonium is an important nutrient in primary production; however, high ammonium loads
can cause eutrophication of natural waterways, contributing to undesirable changes in water …

Porous silica and carbon derived materials from rice husk pyrolysis char

Y Shen, P Zhao, Q Shao - Microporous and Mesoporous Materials, 2014 - Elsevier
Biomass pyrolysis is considered one of the most promising technologies for production of
sustainable fuels. Rice husk ash (RHA) contains over 60% silica, 10–40% carbon and minor …

Adsorption mechanisms of high-levels of ammonium onto natural and NaCl-modified zeolites

L Lin, Z Lei, L Wang, X Liu, Y Zhang, C Wan… - Separation and …, 2013 - Elsevier
Zeolites, microporous aluminosilicate minerals, have high affinity to ammonium in water.
This study explored the mechanisms of ammonium adsorption onto natural zeolite and NaCl …

Synthesis of zeolite P1 from fly ash under solvent-free conditions for ammonium removal from water

Y Liu, C Yan, J Zhao, Z Zhang, H Wang, S Zhou… - Journal of Cleaner …, 2018 - Elsevier
In this work, zeolite P1 is synthesized from fluidized bed fly ash (FA) via a solvent-free
process. The formation of zeolite P1 is investigated as a function of crystallization reaction …

Circular economy-driven ammonium recovery from municipal wastewater: State of the art, challenges and solutions forward

X Zhang, Y Liu - Bioresource Technology, 2021 - Elsevier
In current biological nitrogen removal (BNR) processes, most of ammonium in municipal
wastewater is biologically transformed to nitrogen gas, making ammonium recovery …

Technologies for recovering nutrients from wastewater: a critical review

MK Perera, JD Englehardt, AC Dvorak - Environmental Engineering …, 2019 - liebertpub.com
Phosphorus (P) is a non-renewable resource, production of nitrogen (N) fertilizer is energy
intensive, and discharge of these nutrients in treated wastewater causes environmental …

Metakaolin geopolymer characterization and application for ammonium removal from model solutions and landfill leachate

T Luukkonen, M Sarkkinen, K Kemppainen, J Rämö… - Applied Clay …, 2016 - Elsevier
Geopolymers are aluminosilicate compounds that are amorphous analogues of zeolites,
and thus possess similar cation-exchange properties. Geopolymers have been successfully …

The investigation into the ammonium removal performance of Yemeni natural zeolite: Modification, ion exchange mechanism, and thermodynamics

A Alshameri, A Ibrahim, AM Assabri, X Lei, H Wang… - Powder Technology, 2014 - Elsevier
This paper present the first attempt to investigate the potential use of Yemeni (Al-Ahyuq)
natural zeolite on the effectiveness of ammonium ion (NH 4+) removal. The kinetics and …

Ammonium removal from aqueous solutions by natural Iranian zeolite in the presence of organic acids, cations and anions

F Mazloomi, M Jalali - Journal of Environmental Chemical Engineering, 2016 - Elsevier
The present study was conducted to evaluate the possibility of using natural Iranian zeolite
for ammonium (NH 4+) removal from aqueous solutions. Batch experiments were performed …

Removal of ammonium from aqueous solutions using zeolite synthesized from fly ash by a fusion method

M Zhang, H Zhang, D Xu, L Han, D Niu, B Tian… - Desalination, 2011 - Elsevier
This article investigates the removal of ammonium from aqueous solutions using zeolite
synthesized from fly ash by a fusion method, which combines alkaline fusion followed by …