[HTML][HTML] Study on the factors affecting the start-up of iron-manganese co-oxide filters for ammonium and manganese removal from groundwater

Y Cheng, T Huang, L Cheng, J Wu - International Journal of …, 2018 - mdpi.com
The high concentration of ammonium (NH4+-N) and manganese (Mn2+) in underground
water poses a major problem for drinking water treatment plants. Effective catalytic oxidative …

[HTML][HTML] Effect of alkalinity on catalytic activity of iron–manganese co-oxide in removing ammonium and manganese: Performance and mechanism

Y Cheng, S Zhang, T Huang, F Hu, M Gao… - International Journal of …, 2020 - mdpi.com
In this study, a pilot-scale experimental filter system was used to investigate the effect of
bicarbonate alkalinity on the activity of an Fe–Mn co-oxide for ammonium and manganese …

The simultaneous removal of ammonium and manganese from groundwater by iron-manganese co-oxide filter film: The role of chemical catalytic oxidation for …

Y Guo, T Huang, G Wen, X Cao - Chemical Engineering Journal, 2017 - Elsevier
Previous studies have shown that ammonium and manganese could be removed from water
by biofilm in a trickling filter. However, it always takes several months to start up a biofilm …

Catalytic oxidation removal of manganese from groundwater by iron–manganese co-oxide filter films under anaerobic conditions

Y Cheng, W Xiong, T Huang - Science of the Total Environment, 2020 - Elsevier
Although dissolved oxygen (DO) is a key factor for the removal of manganese (Mn) from
aqueous solutions, this study presents an efficient method for Mn removal without any DO …

Phosphate dosing to sustain the ammonium removal activity of an iron-manganese co-oxide filter film at pilot scale: Effects on chemical catalytic oxidation

R Zhang, T Huang, G Wen, Y Chen, X Cao… - Chemical Engineering …, 2018 - Elsevier
An iron–manganese co-oxide filter film (MeO x) coated on filter sand has been shown be a
good catalyst for the oxidation of ammonium in the treatment of groundwater. However, its …

Effects of coagulants on the catalytic properties of iron–manganese co-oxide filter films for ammonium and manganese removal from surface water

Y Cheng, S Zhang, T Huang, L Cheng, X Yao - Journal of Cleaner …, 2020 - Elsevier
The removal of ammonium (NH 4+) and manganese (Mn 2+) is an important issue when
treating surface water for drinking. A pilot-scale experiment was carried out with two parallel …

Key factors maintaining catalytic ammonium oxidation activity of manganese oxide active filter media: The role of bicarbonate

Y Cheng, A Miao, G Wen, F Shi - Journal of Environmental Chemical …, 2024 - Elsevier
The removal of ammonium (NH 4+-N) via the catalytic oxidation of manganese oxide (MnOx)
active filter media is a new technology. In this study, three different types of water …

[HTML][HTML] Using iron-manganese Co-oxide filter film to remove ammonium from surface water

R Zhang, T Huang, G Wen, Y Chen, X Cao… - International Journal of …, 2017 - mdpi.com
An iron-manganese co-oxide filter film (MeOx) has been proven to be a good catalyst for the
chemical catalytic oxidation of ammonium in groundwater. Compared with groundwater …

Removal of ammonia and manganese from groundwater by Ni-doped MnOx filter columns started by natural oxidation method vs chemical oxidation method

B Yang, Y Cheng, T Huang, G Wen - Journal of Water Process Engineering, 2024 - Elsevier
In this study, two methods of chemical oxidation process (COP) and natural oxidation
process (NOP) were adopted to start the manganese oxide (MnOx) filter columns for …

A comparison study of the start-up of a MnOx filter for catalytic oxidative removal of ammonium from groundwater and surface water

Y Cheng, Y Li, T Huang, Y Sun, X Shi… - Journal of Environmental …, 2018 - Elsevier
As an efficient method for ammonium (NH 4+) removal, contact catalytic oxidation
technology has drawn much attention recently, due to its good low temperature resistance …