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 …

Effect of surface modification of natural zeolite on ammonium ion removal from water using batch study: An overview

V Yadav, M Rani, L Kumar, N Singh… - Water, Air, & Soil …, 2022 - Springer
Ammonia is widely used in chemical industries to produce fertilizers, plastics, and
explosives, resulting in high ammonia levels in industrial waste. Natural zeolites have been …

Treatment of swine wastewater using chemically modified zeolite and bioflocculant from activated sludge

J Guo, C Yang, G Zeng - Bioresource technology, 2013 - Elsevier
Sterilization, alkaline-thermal and acid-thermal treatments were applied to activated sludge
and the pre-treated sludge was used as raw material for Rhodococcus R3 to produce …

Microwave-assisted synthesis of coal fly ash-based zeolites for removal of ammonium from urine

B Makgabutlane, LN Nthunya, N Musyoka, BS Dladla… - RSC …, 2020 - pubs.rsc.org
Zeolites synthesized from biomass waste materials offer a great opportunity in the
sustainable utilization of the waste. In this work, energy-efficient processes (ie microwave …

Combination of Na-modified zeolite and anion exchange resin for advanced treatment of a high ammonia–nitrogen content municipal effluent

H Zhang, A Li, W Zhang, C Shuang - Journal of colloid and interface …, 2016 - Elsevier
In this study, the exchange equilibrium and kinetic experiments of ammonia–nitrogen on the
Na-form zeolite were conducted. The results indicated that the presence of humic acid have …

Sludge conditioning using the composite of a bioflocculant and PAC for enhancement in dewaterability

J Guo, C Chen - Chemosphere, 2017 - Elsevier
This study investigated the production of a bioflocculant by using rice stover and its potential
in sludge dewatering. Production of the bioflocculant was positively associated with cell …

Ammonium zeolite and ammonium phosphate applied as fire retardants for microcrystalline cellulose filled thermoplastic composites

AD Cavdar, SB Torun, M Ertas, F Mengeloglu - Fire Safety Journal, 2019 - Elsevier
In this study, mechanical, thermal, fire and morphological properties of thermoplastic
composites filled with fire retardants (FRs) and microcrystalline cellulose (MCC) were …

Environmental remediation of synthetic leachate produced from sanitary landfills using low-cost composite sorbent

LA Naji, AAH Faisal, HM Rashid, M Naushad… - … Technology & Innovation, 2020 - Elsevier
The possibility of preparing a composite sorbent consisted of an activated carbon (AC) and
waste foundry sand (WFS) for the treatment of synthetic leachate is of greater importance in …

Ammonium and potassium removal from undiluted and diluted hydrolyzed urine using natural zeolites

U Regmi, TH Boyer - Chemosphere, 2021 - Elsevier
There is limited research comparing nutrient removal in concentrated and dilute waste
streams. Accordingly, the goal of this research was to study the effect of dilution on …

Removal of ammonium ion from aqueous solutions using natural zeolite: kinetic, equilibrium and thermodynamic studies

A Khosravi, M Esmhosseini, S Khezri - Research on Chemical …, 2014 - Springer
The aim of the present study is to investigate the removal of ammonium ions from aqueous
solutions using the natural Western Azerbaijan zeolite by utilizing ion exchange process …