scholarly journals Study on the improvement the quality of drinking water via electrochemical pulse treatment

2021 ◽  
Vol 939 (1) ◽  
pp. 012021
Author(s):  
A Turdiboyev ◽  
D Akbarov ◽  
A Mussabekov ◽  
T Toshev ◽  
J Niyozov

Abstract This article provides information on the ongoing research on the provision of clean and high-quality drinking water, comprehensive development and modernization of drinking water supply and sewerage systems, quality characteristics, physical and chemical composition, and water treatment methods. Initial electrochemical pulse treatment for drinking water is proposed. When water is treated with an electrochemical pulse, the substances become dispersed particles and, due to improved oxidation, reduce the amount of dry matter in the water by 28%, and the oxidation rate increase by 33%, and the hydrogen peroxide ratio by 30%.

Author(s):  
Y. Bolshak ◽  
O. Kalenyk ◽  
A. Marynin ◽  
R. Svyatnenko

Drinking water is a food of special physiological value, as evidenced by a critically short for health and life endurance of complete dehydration of the body (no replenishment of drinking water) in 9–10 days along with 45–49 days of life without food. However, even without extreme circumstances, without any shortage of drinking water and food, the quality of the latter has a serious impact on human health. For some time, as environmental pollution increased, the efforts of hygienists were aimed at ensuring the safety of drinking water through its appropriate physical and chemical treatment. Then came the realization that the microbiological and chemical safety of drinking water does not guarantee its inherent in the best samples of natural water physiological value. The meaning of this newly introduced into the normative circulation of the concept is the awareness of the importance of water as a source of replenishment of the body physiologically necessary for normal life minerals and trace elements. Subsequently, nutrients were synthesized that are produced by the body itself and the normal content of which in cells is critical for life. Natural sources of replenishment of the body with nutrients (good food and especially vegetables, berries, fruits, etc.) for various reasons are not always available to many people, so specially prepared drinking (functional) water has gained in recent years growing popularity and high health value. The presented results of research of functional water on the basis of ascorbic and citric acid are our contribution to the development of methods of health nutrition. The influence of functional water with acquired antioxidant properties on the human body is substantiated. The developed water provides drinking water with a pleasant harmonious taste, which has a tonic and healing effect, increasing the body's resistance to fatigue and stress. The development relates to the field of production of soft drinks, in particular drinking water.


Author(s):  
Olimpia Pandia ◽  
Ion Sărăcin ◽  
Eliza Ștefania Tănasie

Abstract In the present paper, the authors refer to a study carried out in the village of Greceşti, Busu village, Dolj County, on the quality of drinking water from local sources (wells, wells and wells) and the comparison of these results with the limit values allowed by the legislation in force, namely Law 458/2002 and Law 311/2004, as well as the Water Framework Directive and the Groundwater Directive 118/2006 / EC. Organoleptic indicators, physical and chemical indicators from 10 distinct locations as source of harvested water were determined, where organoleptic indicators were determined by determination of taste and odour; physical indicators, determining the pH, colour, turbidity and total hardness; chemical indicators: ammonium, chlorides, oxidisability, nitrites. The determinations were made in the faculty’s agro-chemistry laboratory, using appropriate methods and equipment. Following the results, the causes leading to the results were established and a series of conclusions and recommendations were drafted.


2015 ◽  
Vol 10 (2) ◽  
pp. 610-618 ◽  
Author(s):  
Nadikatla Kumar ◽  
Mushini Rao ◽  
M. P. S. Krishna

Human beings require potable water for drinking to keep them healthy. Clean, safe and adequate fresh water is vital to the survival of all living organisms. Drinking water affects the health of human beings due to the presence of various dissolved chemical constituents. Problems arising out of chemical constituents in drinking water are different from the problems of microbial contamination. Therefore, consumers should have at least minimum knowledge on quality of drinking water. People across the world depend on ground water for drinking. Ground water is a major source, so based on the importance of the matter; a research topic is taken up on the assessment of quality of groundwater in the selected areas of villages in Veeraghattam and Palakonda Mandals of Srikakulam District, Andhra Pradesh. This preliminary study assessed the quality of physical and chemical characteristic properties of underground water in the selected locations of 40 villages in Veeraghattam and 39 villages in Palakonda Mandals of Srikakulam District. Some physico chemical characteristic parameters are estimated in the samples and the results obtained are compared with the available standard values such as WHO and BIS.


2013 ◽  
Vol 13 (1) ◽  
pp. 1-5
Author(s):  
Agus Priyono ◽  
S.N.O. Suwandyastuti ◽  
Ning Iriyanti

The utilization of brewery waste in ration to improved the quality of lamb meatABSTRACT. An experiment has been conducted to study the utilization of brewery waste in ration to improved the meat quality of lamb. High quality of lamb meat can be reached by manipulation of rumen fermentation. Tannins in brewery waste can decrease the activity of rumen microorganism and inhibite the rumen biohydrogenation processes. The experiment was conducted with an experimental method by in vivo technique, using 16 heads of local lamb, 4-5 months old, with body weight range of 5-10 kg.  The trial was conducted for 150 days, using Completely Randomized Block Design with 4 replicates. The treatment tested were 4 levels of Brewery Waste : R1 = 12%; R2 = 24%; R3 = 36% and R4 = 48%. The variables measured were : physical and chemical quality of meat. The result indicated, that the treatment tested significantly affect the meat quality physically, except to the percentage of edible distal meat and proximal bone weight.Based on the all variables measured, the research conclusion : (1) the utilization of brewery waste up to 48% dry matter  ration, could be used, without any physiology and metabolism disturbance; (2) the highest increasing of unsaturated fatty acid was stearic acid (C18:0) as much as 54. 60%, was reach by R3 (36% brewery waste); the linoleic acid increased as much as 43.91% reach by R4 (48% brewery waste);  the oleic acid increased as much as 37.48% by R2 ( 24% brewery waste). From the result can be suggested that the need of tannin brewery waste as biohydrogenation inhibitor would be more effective and efficient whenever brewery waste usage has been increased up to 60% dry matter ration.


2019 ◽  
Vol 11 (11) ◽  
pp. 3189 ◽  
Author(s):  
Janusz R. Rak ◽  
Katarzyna Pietrucha-Urbanik

In accordance with the water quality standard, the safe functioning of the water treatment system operation is considered. This paper alludes to extreme situations, which arise where there is periodic deterioration of the quality of raw water, for which the technological process of water treatment is not prepared. A conception method is presented by which to assess indices of risk vis-à-vis drinking water, on the basis of a probability estimation methodology. The categorisation of water pipes in line with quality-reliability as regards the physical and chemical composition of drinking water or water intended for business purposes is proposed. An example of the method being put to use is also offered, and it is recognised how the approach being proposed could be the basis for further analysis that takes different conditions of functioning of water-supply systems into account.


1998 ◽  
Vol 37 (2) ◽  
pp. 333-341
Author(s):  
Gerhard Bjørnsen ◽  
Rolf Gimbel ◽  
Hans-Dieter Spangenberg

To guarantee drinking water of high quality not only the drinking water treatment must be of high standards but also the quality of water resources should be the best possible. Therefore, pollution control and pollution risk management in the catchment areas of water resources are important parts of an overall water management concept. This includes the assessment of physical and chemical parameters as well as bacteriological parameters, especially hygienic parameters. A concept for an integrative consideration of drinking water treatment and quality management of water resources is presented.


Author(s):  
Alan B. O. de Sousa ◽  
Sérgio N. Duarte ◽  
Osvaldo N. de Sousa Neto ◽  
Ana C. M. Souza ◽  
Pedro R. F. Sampaio ◽  
...  

ABSTRACT The purpose of this study was to evaluate the salt tolerance of mini watermelon (cv. Smile). The experiment was carried out in the greenhouse of the Department of Biosystems Engineering of ESALQ/USP. The experimental design was randomized blocks. The plants were irrigated with five levels of salinity (S1 = 1.0; S2 = 2.0; S3 = 3.0; S4 = 4.0 and S5 = 5.0 dS m-1). At 85 days after the beginning of the experiment, the plants and the physical and chemical variables of the fruit were evaluated. Salinity negatively affected the variables: length of the main stem, stem diameter, number of leaves, number of branches, leaf area, fresh and dry matter. Regarding the physical and chemical characteristics of fruits, salinity reduced the mass, diameter and the pH of the fruit, but increased its vitamin C content. In general, the results suggest that the mini watermelon (cv. Smile) is moderately sensitive to salinity.


Data in Brief ◽  
2018 ◽  
Vol 21 ◽  
pp. 556-561 ◽  
Author(s):  
Majid Radfard ◽  
Hamed Soleimani ◽  
Abooalfazl Azhdarpoor ◽  
Hossein Faraji ◽  
Amir Hossein Mahvi

2016 ◽  
Vol 40 (4) ◽  
pp. 627-637
Author(s):  
Marcio Carlos Navroski ◽  
Maristela Machado Araujo ◽  
Lia Rejane Silveira Reiniger ◽  
Claudimar Sidnei Fior ◽  
Gilmar Schafer ◽  
...  

ABSTRACT This study aimed to test different concentrations of natural polymer combined with different substrates in order to maximize the production and quality of Eucalyptus dunnii Maiden as well as the influence of the physical and chemical properties of the substrates. Experiments were conducted in a greenhouse in a randomized design with a 4 x 4 factorial arrangement for different substrates (factor "A") and water-retaining polymer concentrations (factor "B"). The physical and chemical properties of the substrates were also analyzed in each treatment. The seedlings height (H), neck diameter (D), shoot dry matter (SDM), root dry matter (RDM), total dry matter (TDM), H/D ratio and Dickson quality index (DQI) were measured after 90 days of sowing. Both the physical and chemical properties of the substrates have improved by the addition of hydrogel, especially those regarding to porosity, water availability and water holding capacity. In general, the water-retaining polymer concentrations of 2 and 4 g L-1 provided a better seedling growth. Seedlings largest neck diameter was observed at a hydrogel concentration of 6 g L-1. The use of hydrogel has resulted in higher height and neck diameter values when carbonized rice hulls were used as substrate. Therefore, hydrogel concentrations of 2 and 4 g L-1 may increase the quality of Eucalyptus dunnii seedlings and reduce their nursery time.


2020 ◽  
Vol 4 (2) ◽  
pp. 99
Author(s):  
Yaseen Ahmed Hamaamin ◽  
Jwan Bahadeen Abdullah

Water is vital for all forms of life on earth. Assessing the quality of water especially drinking water is one of the important processes worldwide which affect public health. In this study, the quality of drinking water in Sulaimani City is monitored for a study period of 1 year. A total number of 78 water samples were collected and analyzed for 17 physical and chemical properties of water supply system to the city. Samples of water are collected from the three main sources of drinking water for Sulaimani City (Sarchnar, Dukan line-1, and Dukan line-2) from February to August 2019. The results of physical and chemical parameters of collected water samples were compared with the World Health Organization and Iraqi standards for drinking water quality. The results of this study showed that mostly all parameters were within the standards except the turbidity parameter which was exceeded the allowable standards in some cases. This research concluded that, in general, the quality of drinking water at the three main sources of Sulaimani City is suitable and acceptable for drinking.


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