Slow sand filters for the 21st century: A review

JK Maiyo, S Dasika, CT Jafvert - International journal of environmental …, 2023 - mdpi.com
Safe drinking water remains a major global challenge, especially in rural areas where,
according to UNICEF, 80% of those without access to improved water systems reside. While …

Review of slow sand filtration for raw water treatment with potential application in less-developed countries

K Abdiyev, S Azat, E Kuldeyev, D Ybyraiymkul… - Water, 2023 - mdpi.com
Providing safe drinking water to people in developing countries is an urgent worldwide
water problem and a main issue in the UN Sustainable Development Goals. One of the most …

[图书][B] Toxic cyanobacteria in water: a guide to their public health consequences, monitoring and management

I Chorus, M Welker - 2021 - library.oapen.org
Abstract" Cyanobacterial toxins are among the hazardous substances most widely found in
water. They occur naturally, but concentrations hazardous to human health are usually due …

Sand and sand-GAC filtration technologies in removing PPCPs: A review

J Li, LC Campos, L Zhang, W Xie - Science of The Total Environment, 2022 - Elsevier
Concerns have been raised about the risks that pharmaceuticals and personal care
products (PPCPs) in aquatic environments posed to humans and the environment. In recent …

[HTML][HTML] Application of a novel, continuous-feeding ultraviolet light emitting diode (UV-LED) system to disinfect domestic wastewater for discharge or agricultural reuse

TMH Nguyen, P Suwan, T Koottatep, SE Beck - Water research, 2019 - Elsevier
In many low-income countries, the poor conditions of sanitation systems have been a
significant cause of mortality since they accelerate waterborne disease transmission …

The application of GAC sandwich slow sand filtration to remove pharmaceutical and personal care products

J Li, Q Zhou, LC Campos - Science of the Total Environment, 2018 - Elsevier
Lab-scale GAC sandwich slow sand filters with different GAC layer depths were evaluated
for the first time to remove selected pharmaceutical and personal care products …

Evaluating the impact of pretreatment processes on fouling of reverse osmosis membrane by secondary wastewater

YH Cai, N Galili, Y Gelman, M Herzberg… - Journal of Membrane …, 2021 - Elsevier
Pretreatment of secondary effluents, containing relatively high concentrations of colloidal
particles, suspended solids, dissolved organics and high level of biological activity, is …

Designing the Next Generation of Fe0-Based Filters for Decentralized Safe Drinking Water Treatment: A Conceptual Framework

H Yang, R Hu, AI Ndé-Tchoupé, W Gwenzi, H Ruppert… - Processes, 2020 - mdpi.com
The ambitious United Nations Sustainable Development Goal for 2030 to “leave no one
behind” concerning safe drinking water calls for the development of universally applicable …

Influence of slow sand filter cleaning process type on filter media biomass: backwashing versus scraping

FH De Souza, PB Roecker, DD Silveira, ML Sens… - Water Research, 2021 - Elsevier
Biomass was assessed as a new approach for evaluating backwashed slow sand filters
(BSF). Slow sand filtration (SSF) is a simple technology for water treatment, where biological …

Characterizing a newly designed steel-wool-based household filter for safe drinking water provision: Hydraulic conductivity and efficiency for pathogen removal

R Tepong-Tsindé, AI Ndé-Tchoupé, C Noubactep… - Processes, 2019 - mdpi.com
This study characterizes the decrease of the hydraulic conductivity (permeability loss) of a
metallic iron-based household water filter (Fe0 filter) for a duration of 12 months. A …