Backwash as a simple operational alternative for small-scale slow sand filters: from conception to the current state of the art

FH de Souza, BS Pizzolatti, ML Sens - Journal of Water Process …, 2021 - Elsevier
Slow sand filtration is one of the oldest water treatment technologies and it is still in use and
development. Slow sand filters are simple and capable of removing suspended solids …

Backwashing of granular media filters and membranes for water treatment: a review

M Turan - AQUA—Water Infrastructure, Ecosystems and Society, 2023 - iwaponline.com
Filter backwashing is a supplemental part of a drinking water treatment (DWT) facility to
wash the filter bed at regular intervals using water or air scour/water by fluidizing the filter …

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 …

Synthesis and performance of iron oxide-based porous ceramsite in a biological aerated filter for the simultaneous removal of nitrogen and phosphorus from domestic …

T Bao, T Chen, J Tan, ML Wille, D Zhu, D Chen… - Separation and …, 2016 - Elsevier
A novel iron oxide-based porous ceramsite (IPC) was synthesized and applied as a
microbial biofilm carrier in a biological aerated filter (BAF) to treat domestic wastewater and …

Effect of polystyrene synthesis method on water sorption and glass transition

DT Hallinan Jr, M Minelli, O Oparaji, A Sardano… - Membranes, 2022 - mdpi.com
Commodity PS is synthesized via free radical polymerization, whereas PS in block
copolymers (BCPs) is typically synthesized via living anionic polymerization. The purpose of …

[PDF][PDF] Iron removal from ground water through expanded polystyrene filter

JET Tech - Journal of Environmental Treatment Techniques, 2021 - researchgate.net
Expanded polystyrene (EPS) filtration is a promising method for groundwater iron removal.
Pilot-scale experiments have been conducted through an up-flow filter. EPS beads were …

Manganese oxidation and bacterial diversity on different filter media coatings during the start-up of drinking water biofilters

IL Breda, L Ramsay, P Roslev - Journal of Water Supply: Research …, 2017 - iwaponline.com
Manganese removal is a typical concern in drinking water production. Biofiltration may be
used when treating groundwater sources but the onset of manganese removal in virgin …

Assessment of the physical characteristics and stormwater effluent quality of permeable pavement systems containing recycled materials

J Monrose, K Tota-Maharaj… - Road Materials and …, 2021 - Taylor & Francis
This paper evaluates the physical characteristics of two recycled materials and the pollutant
removal efficiencies of four 0.2 m2 tanked permeable pavement rigs in the laboratory, that …

Synthesis, application and evaluation of non-sintered zeolite porous filter (ZPF) as novel filter media in biological aerated filters (BAFs)

T Bao, T Chen, ML Wille, NE Ahmadi… - Journal of …, 2016 - Elsevier
A zeolite porous filter (ZPF) was prepared using mixed raw zeolite, cement, and aluminum
powder through steam curing and used as a novel filter medium in biological aerated filter …

Mathematical modeling of physicochemical iron removal from groundwater at rapid filters

V Poliakov, S Martynov - Chemical Engineering Science, 2021 - Elsevier
The article outlines the formulation of the general mathematical problem of underground
water iron removal using rapid filters. The process reflects Fe existence in two forms and …