Biochar application in biofiltration systems to remove nutrients, pathogens, and pharmaceutical and personal care products from wastewater

Z Maleki Shahraki, X Mao - Journal of Environmental Quality, 2022 - Wiley Online Library
Although conventional on‐site wastewater treatment systems (OWTSs) provide only primary
treatment of domestic wastewater, removal of a limited level of nutrients (N, P), pathogens …

Biosand Reactors for Municipal and Industrial Wastewater Treatment: Status Quo, Challenges and Opportunities

PJ Welz - Processes, 2024 - mdpi.com
Biosand reactors (BSRs), alternatively known as slow or biological sand filters, are passive
systems that are used to remove contaminants from domestic wastewater, industrial …

Nitrogen transformations in constructed wetlands: A closer look at plant-soil interactions using chemical imaging

SC Nyer, N Volkenborn, RC Aller, M Graffam… - Science of The Total …, 2022 - Elsevier
Constructed wetlands have long been used for domestic wastewater treatment. Despite the
widespread application of constructed wetlands for wastewater remediation, they are still …

1, 4-Dioxane removal in nitrifying sand filters treating domestic wastewater: Influence of water matrix and microbial inhibitors

CS Lee, M Wang, PM Clyde, X Mao, BJ Brownawell… - Chemosphere, 2023 - Elsevier
Dioxane is a recalcitrant pollutant in water and is ineffectively removed during conventional
water and wastewater treatment processes. In this study, we demonstrate the application of …

[HTML][HTML] Multifaceted benefits of magnesium hydroxide dosing in sewer systems: Impacts on downstream wastewater treatment processes

X Cen, H Duan, Z Hu, X Huang, J Li, Z Yuan, M Zheng - Water Research, 2023 - Elsevier
Abstract Magnesium hydroxide [Mg (OH) 2] is a non-hazardous chemical widely applied in
sewer systems for managing odour and corrosion. Despite its proven effectiveness in …

Efficient nitrogen removal from onsite wastewater by a novel continuous flow biofilter

S Chen, M Wang, FM Russo, CJ Gobler, X Mao - Chemosphere, 2022 - Elsevier
Soil-based passive biofiltration system is an economically feasible technology for nitrogen
removal from onsite wastewater. However, the conventional design requires a large system …

Effective nitrogen removal from onsite wastewater using a sequencing aerated biofilm reactor

S Lotfikatouli, Q Pan, M Wang, FM Russo… - Journal of Water …, 2024 - Elsevier
A novel sequencing aerated biofilm reactor (SABR) was designed for effective nitrogen
removal from onsite wastewater with a footprint 10 times smaller than conventional drainfield …

Characterization, Transformation, and Bioavailability of Dissolved Organic Nitrogen in Biofilters Treating Domestic Onsite Wastewater

S Chen, M Wang, C Asato, X Mao - ACS ES&T Water, 2022 - ACS Publications
This study investigated the transformation, bioavailability, and seasonal changes of
dissolved organic nitrogen (DON) in nitrogen removing biofilters (NRBs) treating domestic …

Nitrogen removal mechanisms in biochar‐amended sand filters treating onsite wastewater

ZM Shahraki, M Wang, Y Zhao, A Orlov, X Mao - 2023 - Wiley Online Library
The performance of biochar‐amended sand filters treating septic tank effluent (STE) was
investigated in bench‐scale columns. Softwood biochar showed higher NH4+–N adsorption …

Nitrification potential of daily-watered biofiltration designs for high ammonium wastewater treatment

V Prodanovic, K Zhang, M Zheng, S Hu… - Science of the Total …, 2023 - Elsevier
The vegetated biofiltration systems (VBS), also known as bioretentions or rain gardens, are
well-established technology for treatment of urban stormwater and recently greywater …