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 low-cost point-of-use water treatment systems for develo** communities

CK Pooi, HY Ng - npj Clean Water, 2018‏ - nature.com
For communities in develo** countries, the majority of drinking water-related issues are
due to pathogens from poor sanitation, resulting in infection and diarrhea. One cause of this …

A critical overview of household slow sand filters for water treatment

BLS Freitas, UC Terin, NMN Fava, PMF Maciel… - Water Research, 2022‏ - Elsevier
Household, or point-of-use (POU), water treatments are effective alternatives to provide safe
drinking water in locations isolated from a water treatment and distribution network. The …

Metagenomic analysis of rapid gravity sand filter microbial communities suggests novel physiology of Nitrospira spp.

A Palomo, S Jane Fowler, A Gülay… - The ISME …, 2016‏ - academic.oup.com
Rapid gravity sand filtration is a drinking water production technology widely used around
the world. Microbially catalyzed processes dominate the oxidative transformation of …

Microbial community composition of a household sand filter used for arsenic, iron, and manganese removal from groundwater in Vietnam

KS Nitzsche, P Weigold, T Lösekann-Behrens… - Chemosphere, 2015‏ - Elsevier
Household sand filters are used in rural areas of Vietnam to remove As, Fe, and Mn from
groundwater for drinking water purposes. Currently, it is unknown what role microbial …

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

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 …

Microcystis aeruginosa and microcystin-LR removal by household slow sand filters operating in continuous and intermittent flows

UC Terin, LP Sabogal-Paz - Water research, 2019‏ - Elsevier
A household slow sand filter (HSSF) is a widely used water treatment technology recognized
as one of the most effective and sustainable in reducing waterborne diseases. However …

Biological layer in household slow sand filters: characterization and evaluation of the impact on systems efficiency

H Lubarsky, NMN Fava, BL Souza Freitas, UC Terin… - Water, 2022‏ - mdpi.com
Schmutzdecke, the biofilm formed on the top of the sand bed in household slow sand filters
(HSSF) is a key factor for the filters' high efficiency in removing particles and microorganisms …

[HTML][HTML] Investigation of E. coli and Virus Reductions Using Replicate, Bench-Scale Biosand Filter Columns and Two Filter Media

M Elliott, CE Stauber, FA DiGiano… - International Journal of …, 2015‏ - mdpi.com
The biosand filter (BSF) is an intermittently operated, household-scale slow sand filter for
which little data are available on the effect of sand composition on treatment performance …

Drinking water treatment by multistage filtration on a household scale: Efficiency and challenges

RC Medeiros, N de Mn Fava, BLS Freitas… - Water Research, 2020‏ - Elsevier
Highlights•Household Multistage Filter removed over 60% of turbidity and 1.5 log of E.
coli.•Dynamic Gravel Filter was an effective pre-treatment for household slow-sand …