The Role of Selected Technological Processes in Drinking Water Treatment

Wiewiórska, Iwona

The Role of Selected Technological Processes in Drinking Water Treatment

Architecture, Civil Engineering, Environment

Volume 16 (2023): Issue 2 (June 2023)

By:

Iwona Wiewiórska

Open Access

|Jul 2023

Figures & Tables

Technological diagram of the WTP in Stary Sącz [16]

Reduction of turbidity in the WTP technological system

Reduction of color in the WTP technological system

Reduction of UVA254nm in the WTP technological system

Reduction of permanganatate oxygen demand in the WTP technological system

Reduction of Fetotal in the WTP technological system

Reduction of Mn in the WTP technological system

Reduction of bacteria in the WTP technological system

Indicator	Unit	sand filters	disinfection	ground infiltration
Indicator	Unit	% reduction	% reduction	% reduction
coli group bacteria	min.	20.0	100.0	98.4
	av.	93.3	100.0	99.9
	max.	100.0	100.0	100.0
Enterococcus faecalis	min.	32.1	100.0	95.0
	av.	91.9	100.0	99.9
	max.	100.0	100.0	100.0
Clostridium perfringens	min.	72.2	100.0	96.9
	av.	97.5	100.0	99.9
	max.	100.0	100.0	100.0

Efficiency of water pollutant removal at individual stages of the treatment process

2018–2022
Indicator	Unit	Sampling point	Number of samples	Value			median	standard deviation
Indicator	Unit	Sampling point	Number of samples	min.	average	max.	median	standard deviation
turbidity	NTU	Dunajec river	804	0.70	21.30	2550.00	7.60	107.20
		after the settlers	804	0.60	5.90	133.00	4.00	6.50
		after the filter Dyna Sand	871	0.09	0.22	0.81	0.20	0.06
		after ozonation	846	0.10	0.20	0.50	0.20	0.00
		after carbon filters	840	0.07	0.10	0.21	0.10	0.00
		after infiltration in the ground	506	0.06	0.12	0.85	0.11	0.04
		treated water	868	0.06	0.11	0.31	0.10	0.03
color	mgPt·dm⁻³	Dunajec river	869	5.7	29.0	964.8	17.0	54.9
		after the settlers	869	3.9	15.2	182.0	14.1	7.7
		after the filter Dyna Sand	869	1.8	4.2	9.0	4.1	0.9
		after ozonation	869	0.7	2.5	5.8	2.3	0.8
		after carbon filters	874	0.0	1.2	3.1	1.1	0.6
		after infiltration in the ground	517	0.9	2.2	3.8	2.2	0.4
		treated water	875	0.0	0.9	3.6	0.9	0.7
UVA _254nm	-	Dunajec river	869	0.123	0.396	4.120	0.333	0.279
		after the settlers	869	0.123	0.302	1.450	0.29	0.076
		after the filter Dyna Sand	869	0.070	0.140	0.257	0.139	0.024
		after ozonation	875	0.047	0.107	0.193	0.106	0.022
		after carbon filters	874	0.000	0.071	0.126	0.074	0.026
		after infiltration in the ground	875	0.000	0.092	0.133	0.092	0.012
		treated water	517	0.046	0.064	0.115	0.067	0.026
Permanganatate oxygen demand	mg·dm⁻³	Dunajec river	301	1.44	3.07	10.0	2.7	1.22
		after the settlers	319	1.00	2.44	4.1	2.44	0.45
		after the filter Dyna Sand	318	0.21	1.32	2.3	1.36	0.34
		after carbon filters	333	0.00	0.93	1.76	0.96	0.28
		after infiltration in the ground	313	0.00	0.94	3.54	0.34	0.27
		treated water	254	0.00	0.78	1.56	0.82	0.34
Fe total	mg·dm⁻³	Dunajec river	126	0.008	0.137	2.480	0.075	0.239
		after the filter Dyna Sand	196	0.000	0.008	0.130	0.010	0.012
		after infiltration in the ground	226	0.000	0.011	0.109	0.007	0.010
		treated water	1101	0.000	0.008	0.090	0.006	0.007
Mn	mg·dm⁻³	Dunajec river	56	0.0004	0.0142	0.0438	0.0094	0.0121
		after the filter Dyna Sand	35	0.0000	0.0004	0.0017	0.0004	0.0003
		after infiltration in the ground	56	0.0000	0.0001	0.0015	0.0000	0.0003
		treated water	56	0.0000	0.0006	0.0244	0.0000	0.0032
coli group bacteria	cfu·100cm⁻¹	Dunajec river	84	10	1226	3468	1122	725
		after the filter Dyna Sand	162	0	63	319	50	63
		after infiltration in the ground	213	0	2	85	0	7
		treated water	644	0	0	0	0	0
Enterococcus faecalis	cfu·100cm⁻¹	Dunajec river	107	0	248	2000	150	310
		after the filter Dyna Sand	168	0	10	98	6	14
		after infiltration in the ground	216	0	1	74	0	5
		treated water	642	0	0	0	0	0
Clostridium perfringens	cfu·100cm⁻¹	Dunajec river	98	16	158	1000	119	141
		after the filter Dyna Sand	166	0	3	5	1	5
		after infiltration in the ground	8	0	2	0	2	2
		treated water	461	0	0	0	0	0

DOI: https://doi.org/10.2478/acee-2023-0028 | Journal eISSN: 2720-6947 | Journal ISSN: 1899-0142

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Language: English

Page range: 189 - 200

Submitted on: Mar 28, 2023

Accepted on: May 10, 2023

Published on: Jul 20, 2023

Published by: Silesian University of Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 times per year

Keywords:

Water technology,

Water treatment processes,

DynaSand® and carbon filters,

Ozonation,

Disinfection

Related subjects:

Architecture and design,

Architecture,

Architects, buildings

© 2023 Iwona Wiewiórska, published by Silesian University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Previous article Volume 16 (2023): Issue 2 (June 2023)

The Role of Selected Technological Processes in Drinking Water Treatment

Figures & Tables

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Reduction of bacteria in the WTP technological system

Efficiency of water pollutant removal at individual stages of the treatment process

Paradigm

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