scholarly journals Copper-Induced Stimulation of Nitrification in Biological Rapid Sand Filters for Drinking Water Production by Proliferation of Nitrosomonas spp.

2019 ◽  
Vol 53 (21) ◽  
pp. 12433-12441 ◽  
Author(s):  
Florian B. Wagner ◽  
Vaibhav Diwan ◽  
Arnaud Dechesne ◽  
S. Jane Fowler ◽  
Barth F. Smets ◽  
...  
Keyword(s):  
Drinking Water ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production ◽  
Stimulation Of

scholarly journals Density and distribution of nitrifying guilds in rapid sand filters for drinking water production: Dominance of Nitrospira spp.

2017 ◽  
Vol 127 ◽  
pp. 239-248 ◽  
Author(s):  
Karolina Tatari ◽  
Sanin Musovic ◽  
Arda Gülay ◽  
Arnaud Dechesne ◽  
Hans-Jørgen Albrechtsen ◽  
...  
Keyword(s):  
Drinking Water ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production

scholarly journals Copper deficiency can limit nitrification in biological rapid sand filters for drinking water production

2016 ◽  
Vol 95 ◽  
pp. 280-288 ◽  
Author(s):  
Florian B. Wagner ◽  
Peter Borch Nielsen ◽  
Rasmus Boe-Hansen ◽  
Hans-Jørgen Albrechtsen
Keyword(s):  
Drinking Water ◽  
Copper Deficiency ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production

Giardia and Cryptosporidium in backwash water from rapid sand filters used for drinking water production

1996 ◽  
Vol 284 (1) ◽  
pp. 107-114 ◽  
Author(s):  
Panagiotis Karanis ◽  
Dirk Schoenen ◽  
Hanns Martin Seitz
Keyword(s):  
Drinking Water ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production

scholarly journals Microbial community assembly and metabolic function in top layers of slow sand filters for drinking water production

2021 ◽  
Vol 294 ◽  
pp. 126342
Author(s):  
Lihua Chen ◽  
Yujia Zhai ◽  
Ed van der Mark ◽  
Gang Liu ◽  
Walter van der Meer ◽  
...  
Keyword(s):  
Drinking Water ◽  
Microbial Community ◽  
Community Assembly ◽  
Metabolic Function ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production ◽  
Microbial Community Assembly

Molecular characterization of microbial populations in groundwater sources and sand filters for drinking water production

2009 ◽  
Vol 43 (1) ◽  
pp. 182-194 ◽  
Author(s):  
W.W.J.M. de Vet ◽  
I.J.T. Dinkla ◽  
G. Muyzer ◽  
L.C. Rietveld ◽  
M.C.M. van Loosdrecht
Keyword(s):  
Drinking Water ◽  
Molecular Characterization ◽  
Microbial Populations ◽  
Water Production ◽  
Sand Filters ◽  
Drinking Water Production

Coagulation/flocculation/ultrafiltration for natural organic matter removal in drinking water production

2004 ◽  
Vol 4 (5-6) ◽  
pp. 215-222 ◽  
Author(s):  
A.R. Costa ◽  
M.N. de Pinho
Keyword(s):  
Drinking Water ◽  
Organic Matter ◽  
Natural Organic Matter ◽  
Membrane Fouling ◽  
Membrane Filtration ◽  
Membrane Surface ◽  
Water Production ◽  
Cellulose Acetate Membranes ◽  
Wide Range ◽  
Drinking Water Production

Membrane fouling by natural organic matter (NOM), namely by humic substances (HS), is a major problem in water treatment for drinking water production using membrane processes. Membrane fouling is dependent on membrane morphology like pore size and on water characteristics namely NOM nature. This work addresses the evaluation of the efficiency of ultrafiltration (UF) and Coagulation/Flocculation/UF performance in terms of permeation fluxes and HS removal, of the water from Tagus River (Valada). The operation of coagulation with chitosan was evaluated as a pretreatment for minimization of membrane fouling. UF experiments were carried out in flat cells of 13.2×10−4 m2 of membrane surface area and at transmembrane pressures from 1 to 4 bar. Five cellulose acetate membranes were laboratory made to cover a wide range of molecular weight cut-off (MWCO): 2,300, 11,000, 28,000, 60,000 and 75,000 Da. Severe fouling is observed for the membranes with the highest cut-off. In the permeation experiments of raw water, coagulation prior to membrane filtration led to a significant improvement of the permeation performance of the membranes with the highest MWCO due to the particles and colloidal matter removal.

Barcelona's water supply improvement: the brine collector of the Llobregat river

1994 ◽  
Vol 30 (10) ◽  
pp. 221-227 ◽  
Author(s):  
Jordi Martín-Alonso
Keyword(s):  
Drinking Water ◽  
Surface Water ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Salt Mine ◽  
Water Production ◽  
Public Work ◽  
Drinking Water Production ◽  
Llobregat River

The Llobregat is a 156 km long river, which supplies 35% of the Barcelona's drinking water needs from the Sant Joan Despí Water Treatment Plant. Since the establishment of the Salt Mine Works in the Llobregat basin in 1923, a progressive salinization of the water sources has been recorded. The operation of the Brine Collector, as a public work carried out by Aigües de Barcelona (AGBAR), started in 1989; it enabled a very significant improvement in the quality of the surface water used for drinking-water production.

System Analysis of Source Water Indicators at Drinking Water Production in the Central Water Supply System

2018 ◽  
Vol 16 (2) ◽  
pp. 84
Author(s):  
G A Blagodatsky ◽  
A A Bass ◽  
M M Gorokhov ◽  
D S Ponomarev
Keyword(s):  
Drinking Water ◽  
Water Supply ◽  
System Analysis ◽  
Supply System ◽  
Water Supply System ◽  
Source Water ◽  
Water Production ◽  
Drinking Water Production

Работа посвящена системному анализу данных показателей исходной воды при производстве питьевой воды в системе центрального водоснабжения крупного населенного пункта. На сегодняшний день на фоне увеличивающегося негативного антропогенного воздействия на окружающую среду наблюдается ухудшение состояния многих источников питьевого водоснабжения в широком спектре показателей, в частности, таких как органолептические свойства воды. Как следствие, возникает проблема и для питьевой воды. В работе приводится процесс подготовки данных о параметрах исходной воды, забираемой из водохранилища, которые ежемесячно (с 2002 по 2014 год) учитывались на предприятии при дезодорации воды. Приведенные параметры оказывают существенное влияние на органолептические свойства конечной воды. Подготовка данных для анализа проводится методом главных компонент К. Пирсона. Данные, полученные в пространстве R9, переводятся в пространство меньшей размерности R3. Понижение размерности позволяет снизить автокорреляцию между компонентами. Отбор компонент в пространство R3 проводится по правилу Парето. В пространстве R3 методом сферической кластеризации данных «Форель» с постоянным радиусом группировки проводится кластеризация. Приводится пошаговое визуальное представление алгоритма кластеризации в пространстве R3. В работе показано, что в данных показателях качества исходной воды имеются кластеры. Проводится корреляционно-регрессионный анализ данных, представленных в главных компонентах. Строятся регрессионные зависимости показателей органолептических свойств от главных компонент из пространства R3.

Sign in / Sign up

Export Citation Format

Share Document