Journal articles: 'Distilled water'

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&NA;. "Distilled water." Reactions Weekly &NA;, no. 1312 (July 2010): 22. http://dx.doi.org/10.2165/00128415-201013120-00075.

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Simões, Francisca Adriana Fernandes, Cley Anderson Silva De Freitas, Robson Gonçalves Fechine Feitosa, Yannice Tatiane Da Costa Santos, Laisa Daiana Alcântara Costa, Camila De Oliveira Pinho, Maria Lucilene Queiroz Da Silva, and Suélho Pereira Dos Santos. "POTENCIAL DE REÚSO DAS ÁGUAS DE RESFRIAMENTO DE DESTILADORES LABORATORIAIS." Revista Eletrônica de Gestão e Tecnologias Ambientais 8, no. 1 (July 21, 2020): 180. http://dx.doi.org/10.9771/gesta.v8i1.36627.

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A maioria das instituições de ensino e pesquisa possui laboratórios em suas instalações e faz uso de destiladores para produzirem água destilada, sendo este equipamento um grande consumidor de água. Dessa forma, este trabalho teve como objetivo analisar a qualidade da água de resfriamento dos destiladores do Laboratório de Química (LAQAM) e de Engenharia Ambiental e Sanitária (LEAS) do Instituto Federal de Educação Ciência e Tecnologia do Ceará (IFCE), Campus Juazeiro do Norte, e quantificar o volume de água desperdiçada por volume de água que é destilada, perante a possibilidade de reutilização dentro dos próprios laboratórios. A análise quantitativa baseou-se na medição da vazão das águas destiladas e de resfriamento, em que se constatou que, a cada 1 litro de água destilada, foram produzidos 29 e 26 litros de água de resfriamento em cada destilador, respectivamente. A análise qualitativa baseou-se em análises físico-químicas e microbiológicas das águas que promovem a refrigeração dos destiladores, seguindo as metodologias da APHA, AWWA e WEF (2012) e Silva e Oliveira (2001), cujos resultados apresentaram qualidade satisfatória se comparados aos padrões de qualidade existentes. POTENTIAL REUSE OF LAB DISTILLATORS COOLING WATERABSTRACTThe majority of the teaching and research institutions use in their facilities distillers to produce distilled water, which is a major consumer of water. Thus, this work aimed to analyze the quality of the cooling water of the distillers of the Chemistry Laboratory (LAQAM) and Environmental and Sanitary Engineering (LEAS) of the Federal Institute of Education Science and Technology of Ceará (IFCE), Campus Juazeiro do North, and quantify the volume of water wasted by volume of water that is distilled, due to the possibility of reuse for the laboratories. The quantitative analysis was based on the flow measurement of distilled and cooling water, and it was found that, for each 1 liter of distilled water, 29 and 26 liters of cooling water were produced in each distiller, respectively. The qualitative analysis was based on physical-chemical and microbiological analyzes of the waters that promote the cooling of the distillers, following the methodologies of APHA, AWWA and WEF (2012) and Silva and Oliveira (2001), where the results showed satisfactory quality if compared existing quality standards.

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Gaete-Garretón, L., D. Briceño-Gutiérrez, Y. Vargas-Hernández, and C. I. Zanelli. "Ultrasonic atomization of distilled water." Journal of the Acoustical Society of America 144, no. 1 (July 2018): 222–27. http://dx.doi.org/10.1121/1.5045558.

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Khechekhouche, Abderrahmane, Ali Boukhari, Zied Driss, and Nacer eddine Benhissen. "Seasonal effect on solar distillation in the El-Oued region of south-east Algeria." International Journal of Energetica 2, no. 1 (June 30, 2017): 42. http://dx.doi.org/10.47238/ijeca.v2i1.27.

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In the present purely experimental work, we tested a solar distiller with a simple slope in the region of El-Oued located in the south-east of Algeria, during the winter then the summer seasons at the same place. Dimensions of the studied device are (1000 x 500 mm), while the depth of the water to be distilled is 1 cm, the glazing thickness is 4 mm, and the tilt angle with respect to the horizontal is 10 °.The aim of this work is to compare distillation between winter (January) and summer (May) to show that weather factors such as solar radiation, ambient temperature and humidity are influential on the distiller productivity. The amount of distilled water in winter was about 119 ml per day. However, that in summer was 1127 ml per day in total, so it is an increase of more than 9 times the production of distilled water.

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Mohammad, Khadija A. ,., and Yaseen H. Mahmood. "Design and Experimental of Portable Conical Solar Still and Study Parameters." Pakistan Journal of Medical and Health Sciences 16, no. 7 (July 30, 2022): 385–88. http://dx.doi.org/10.53350/pjmhs22167385.

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The lack of drinking water in remote and semi-desert areas, as a result of the lack of fuel and its high price. The trend towards renewable energy, including solar energy, has increased. In this paper a conical type solar distiller has been manufactured and practically experimented with the purposes of distilling the water of wells in Mosul . He studied the high temperature distilled over time using a black distilled basin first. Then add the black marble to the basin secondly. And added bitumen the third. Found high water temperature, and glass whenever added heat absorbing and slowly lost substances. Also, the addition of these substances increased productivity and efficiency. Also demonstrated in practice the effectiveness of the distiller being exposed to solar radiation from all directions. Keywords: Renewable Energy , Solar energy, Solar thermal ,Solar Distiller , phase change material .water purification , Remove salts from water.

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Ou, Ming-Chiu, Yi-Hsin Liu, Yung-Wei Sun, and Chin-Feng Chan. "The Composition, Antioxidant and Antibacterial Activities of Cold-Pressed and Distilled Essential Oils ofCitrus paradisiandCitrus grandis(L.) Osbeck." Evidence-Based Complementary and Alternative Medicine 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/804091.

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The chemical composition and functional activities of cold-pressed and water distilled peel essential oils ofCitrus paradisi(C. paradisi) andCitrus grandis(L.) Osbeck (C. grandis) were investigated in present study. Yields of cold-pressed oils were much higher than those of distilled oils. Limonene was the primary ingredient of essential oils ofC. paradisi(cold 92.83%; distilled 96.06%) andC. grandis(cold 32.63%; distilled 55.74%). In addition,C. grandisoils obtained were rich in oxygenated or nitrogenated compounds which may be involved in reducing cardiovascular diseases or enhancing sleep effectiveness. The order of free radical scavenging activities of 4 citrus oils was distilledC. paradisioil > cold-pressedC. paradisioil > distilledC. grandisoil > cold-pressedC. grandisoil. Cold-pressedC. grandisoil exhibited the lowest activity in all antioxidative assays. The order of antimicrobial activities of 4 citrus oils was distilledC. grandisoil, cold-pressedC. paradisioil > distilledC. paradisioil > cold-pressedC. paradisioil. Surprisingly, distilledC. grandisoil exhibited better antimicrobial activities than distilledC. paradisioil, especially againstEscherichia coliandSalmonella entericasubsp. The results also indicated that the antimicrobial activities of essential oils may not relate to their antioxidative activities.

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Mirmanto, Mirmanto, Made Wirawan, I. Made Adi Sayoga, Abdullah Abdullah, and Muhamad Faisal. "Effect of Cover Number on Distilled Water Production of Distillers with a Novel Water Feeding." Advances in Science, Technology and Engineering Systems Journal 5, no. 5 (2020): 913–19. http://dx.doi.org/10.25046/aj0505111.

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Germano, Roberto, Emilio del Giudice, A. de Ninno, Vittorio Elia, Cornelia Hison, Elena Napoli, Valentino Tontodonato, F. P. Tuccinardi, and G. Vitiello. "Oxhydroelectric Effect in Bi-Distilled Water." Key Engineering Materials 543 (March 2013): 455–59. http://dx.doi.org/10.4028/www.scientific.net/kem.543.455.

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Oxhydroelectric Effect, that is the extraction of electricity from an aqueous electrolytic solution by twin Platinum (Pt) electrodes, mediated by oxygen molecules, has been detected for the first time in bi-distilled water (electric conductivity of 1.2 microSiemens/cm). A dc power of the order of tenths of microW, lasting for many hours, was measured through a resistor (47 kOhm) connected to twin Pt electrodes immersed into bi-distilled water, after the addition of some pieces of Nafion® in one semi-cell and of a very small amount of hydrogen peroxide (H2O2) - as a source of oxygen - in both semi-cells.

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Eichler, Irmgard, Manfred Götz, Jasminka Zarkovic, and Andrea Köfinger. "Distilled Water Challenges in Asthmatic Children." Chest 102, no. 3 (September 1992): 753–58. http://dx.doi.org/10.1378/chest.102.3.753.

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Shalatonin, Valery. "Effect of Unipolar Magnetic Field on Macroscopic Properties of Distilled Water." International Journal of Pharma Medicine and Biological Sciences 6, no. 3 (2017): 89–93. http://dx.doi.org/10.18178/ijpmbs.6.3.89-93.

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Kanayama, K., and H. Baba. "Transmittance of Distilled Water and Sodium-Chloride-Water Solutions." Journal of Solar Energy Engineering 110, no. 2 (May 1, 1988): 113–19. http://dx.doi.org/10.1115/1.3268240.

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The spectral transmittance of pure water and salt water solutions of various concentrations, which are important for the thermal calculation of a solar pond, is measured experimentally for specimen thickness of 1 to 100 mm by means of an autorecording spectro-radiometer inside an air-conditioned room. On the basis of the measured spectral transmittance, the total transmittance of pure and salty waters to 3 m of water depth is calculated as a ratio of the total radiation energy over all wavelengths arriving at any depth from the water surface of the solar pond to the solar radiation incident upon the water surface with various air masses. According to Nielsens’ four-partition method, the effective absorption coefficient is calculated for each wavelength band. Lastly, the transmission properties obtained for pure water, i.e., spectral and total transmittances, absorption wavelength band, and effective absorption coefficient, are compared with past results, and those for salty water with various concentrations are compiled as basic data for the use of solar energy by a solar pond.

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Groves, Frank R. "Solubility of cycloparaffins in distilled water and salt water." Journal of Chemical & Engineering Data 33, no. 2 (April 1988): 136–38. http://dx.doi.org/10.1021/je00052a023.

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Zerouali, Mekki, Fouad Khaldi, and Zina Belkhiri. "Experimental and Numerical Simulation of Solar Still for the Production of Drinking Water in Desert Areas of Southern Algeria." International Journal of Air-Conditioning and Refrigeration 26, no. 03 (September 2018): 1850024. http://dx.doi.org/10.1142/s2010132518500244.

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Solar distillation is a simple method used for the production of drinking water from saline or brackish water. This method proposes a solution for the production of fresh water in arid and desert areas, where a large solar field is available and also the existence of underground sources of saline water. A solar distiller with a single basin and double slopes is theoretically examined. The theoretical model is based on the resolution of equations of heat and mass transfer dependent on time for glazing cover, water film and absorber basin. For validating the results of the theoretical model, a comparison with the experimental results was carried out. A series of experimental tests on a solar distiller with double slopes in the climatic conditions of Ouargla in Algeria were performed. The tests were carried out on 19th February 2009. The amount of water distilled was 2.7 liters, after a day’s work. The results show that the cooling of the glazing cover leads to increase in the amount of distilled water of about 17% in comparison with the reference case. In addition, we found a good agreement between the results of the theoretical model and the experimental data.

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Mirmanto, I. Made Adi Sayoga, Agung Tri Wijayanta, Agus Pulung Sasmito, and Muhammad Aziz. "Enhancement of Continuous-Feed Low-Cost Solar Distiller: Effects of Various Fin Designs." Energies 14, no. 16 (August 9, 2021): 4844. http://dx.doi.org/10.3390/en14164844.

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This study aimed to enhance distilled water production by employing conventional single-slope solar distillers with continuous seawater input. Three solar absorbers—i.e., a flat absorber, an absorber with 10 fins, and an absorber with 15 fins—were designed and examined experimentally. The seawater entered the distillers continuously due to gravity. Moreover, the seawater level inside the distillers was kept constant by using a floating ball valve. The overall size of each distiller was fixed at 1136 mm × 936 mm × 574 mm. The performance of the distillers was analyzed and discussed. The average yields of the flat absorber, the absorber with 10 fins, and the absorber with 15 fins were 1.185 L/d, 1.264 L/d, and 1.404 L/d, respectively. The results of the absorber with 15 fins were about 18.5% higher than those of the flat absorber. The experimental results were compared with the established correlations. This new design with increased water yield provides an effective approach for harvesting sunlight in remote tropical regions for small-scale solar desalination.

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Pathak, Arvind, Pratima Khadka, and Prabin Karki. "Comparative Study of Cleansing Action of Some Detergents Available in Nepalese Market." Nepal Journal of Science and Technology 19, no. 2 (October 10, 2021): 83–89. http://dx.doi.org/10.3126/njst.v20i1.39435.

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Detergents commercially available in the Nepalese market were studied and several parameters such as surface tension, pH, critical micelle concentration, foaming stability test, hard water test, emulsions stability test were performed. Different medium such as ground water (G.W.), tap water (T.W.), distilled water (D.W.) and 5% ethanol in distilled water were selected for this study. The decrease in surface tension and critical micelle concentration (CMC) in ground water, tap water, distilled water and 5% ethanol in distilled water, ease of cleansing action of the detergents in this medium have been found of the following order: 5% ethanol in distilled water > distilled water (D.W.) > tap water (T.W.) > ground water (G.W.). Among the four detergents, the D1 have shown the least surface tension, CMC value, foam collapsing time, the weight of scum formed when treated with hard water. And maximum emulsion stability of the detergent D1 determines good quality detergent.

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Soycan Önenç, Sibel, Kadir Erten, and Önder Canbolat. "Effects of Sour Yogurt as an Alternative Additive in Second Crop Corn Silage." Fermentation 8, no. 10 (September 28, 2022): 494. http://dx.doi.org/10.3390/fermentation8100494.

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In this study, we evaluated the influence of sour yogurt as a natural microbial inoculant in second-crop corn silages. For this purpose, two trials with different dilution rates were conducted. In Trial I, the groups 10 g sour yogurt + 5 g distilled water (SY10-2), 20 g sour yogurt + 10 g distilled water (SY20-2), 30 g sour yogurt + 15 g distilled water (SY30-2), 40 g sour yogurt + 20 g distilled water (SY40-2), 50 g sour yogurt + 25 g distilled water (SY50-2) and no additives were added to the control (CON) group. The groups in Trial II, 10 g sour yogurt + 10 g distilled water (SY10-1), 20 g sour yogurt + 20 g distilled water (SY20-1), 30 g sour yogurt + 30 g distilled water (SY30-1), 40 g sour yogurt + 40 g distilled water (SY40-1), 50 g sour yogurt + 50 g distilled water (SY50-1) and 10 g of distilled water were added to the control (WCON) group. For the silages opened on the 90th day of ensiling, the highest lactic acid content was determined in the SY20-2 and SY20-1 groups (p < 0.05). The lowest amount of ammonia nitrogen was in the SY30-2 group (p < 0.05). In the aerobic period, the SY10-2 and SY20-2 groups remained more stable than the others. As a result, the SY20-2, SY30-2, SY20-1, and SY30-1 groups improved the fermentation quality of corn silages, but the effect on aerobic stability was not significant and was similarly found with the homofermentative bacterial inoculants.

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Shin, Young Joo, Won Ryang Wee, Minseop Kim, and Jin Hak Lee. "Corneoscleral cyst treated with distilled water injection." Korean Journal of Ophthalmology 16, no. 2 (2002): 110. http://dx.doi.org/10.3341/kjo.2002.16.2.110.

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Baudoin, Tomislav, Srdjan Ante Anzic, and Livije Kalogjera. "Distilled Water Nasal Provocation in Hyperreactive Patients." American Journal of Rhinology 13, no. 3 (May 1, 1999): 229–33. http://dx.doi.org/10.2500/105065899781389786.

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Ageev, I. M., and Yu M. Rybin. "Variations of Proton Mobility in Distilled Water." Biophysics 64, no. 6 (November 2019): 1007–11. http://dx.doi.org/10.1134/s0006350919060022.

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Gutiérrez, J., M. A. Porta-Gándara, and J. L. Fernández. "Distilled water production using geothermally heated seawater." Desalination 249, no. 1 (November 2009): 41–48. http://dx.doi.org/10.1016/j.desal.2008.07.023.

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Ahmad, Syed Mohd, Nitya Singh, Dewal Mani, Prateek Roy, and Simran Kaur Pal. "A Comparative Study Of Distilled Water And Topical 4% Xylocaine‐Distilled Water Combination As Fast Acting Cerumenolytic Agents." Research Journal of Medical Sciences 18, no. 6 (May 12, 2024): 424–27. http://dx.doi.org/10.36478/makrjms.2024.6.424.427.

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Chaudhary, G., and A. Khanal. "Effects of Different Concentrations of Sucrose on Vase Life of Rose (Rosa sps.cv. Dutch Hybrid)." Journal of the Institute of Agriculture and Animal Science 35, no. 1 (December 3, 2018): 183–90. http://dx.doi.org/10.3126/jiaas.v35i1.22539.

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Keeping quality is an important parameter for evaluation of rose cut flower quality, both in export and domestic markets as fresh cut rose flowers are highly perishable due to limited water uptake and low available energy. Carbohydrate is the main food source to maintain the energy requirement for flowers .An experiment was conducted at Horticulture Laboratory of Institute of Agriculture and Animal Science, Lamjung, Nepal on January 2017 in order to find out best concentration of sucrose that enhances and prolongs the better flower quality and longevity. Experiment was laid out with 10 treatments viz. tap water, tap water + 2% sucrose, tap water + 4% sucrose, tap water + 6% sucrose, tap water + 8% sucrose, distilled water, distilled water + 2% sucrose, distilled water + 4% sucrose, distilled water + 6% sucrose and distilled water + 8% sucrose under completely randomized design with three replications. Rose sticks were harvested at flower bud stage and two sticks were kept in each vase solution. Effect of different concentrations of sucrose solution on water uptake, weight gain or loss, neck bending, flower diameter, days to full bloom and vase life was affected significantly. The rose flower held in distilled water + 6% Sucrose was recorded to have higher value (7.77cm) for flower diameter at 10 days followed by Tap water + 6% Sucrose with value 7.62cm. Similarly, lower flower diameter (2.29cm) was observed in Tap water at Day16 followed by Distilled water with value 3.21cm. Similar pattern was observed in all other parameters having highest vase life (19.5 days) in Distilled water + 6% Sucrose and lowest (15.17 days) in tap water only. Among different concentrations of sucrose solution, distilled water + 6% sucrose was found highly effective for longevity of cultivar.

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Permadi, Adi, Arief Syamsuddin, Trianik Widyaningrum, Ibdal Satar, Totok Eka Suharto, and Joko Pitoyo. "Utilization of the heat from combustion of water for the heating process in water desalination." International Journal of Advances in Applied Sciences 13, no. 1 (March 1, 2024): 134. http://dx.doi.org/10.11591/ijaas.v13.i1.pp134-140.

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The volume of municipal waste has become a national problem so far, so a solution is needed to reduce the waste problem. One solution to reduce the volume of municipal waste is to burn waste. However, the combustion needs to be designed to take advantage of the heat generated by combustion. In this study, the process of burning waste with various types of waste materials was carried out. The heat of burning waste is used to evaporate 1 liter of seawater and the seawater vapor is cooled to produce distilled water. The volume of distilled water and the precipitated salt were weighed. The results of the research from the variation of 6 types of waste materials obtained that the type of clothing waste material gave the fastest time, which was 43.75 minutes, the amount of distilled water was 931 ml, and salt deposited as much as 30 grams. The test results on distilled water showed that almost all parameters met the requirements of drinking water and obtained a salt content of 84%. Further processing by adjusting the hardness is needed to process distilled water into clean water and the addition of iodine can be considered to produce iodized salt.

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Kettering, James D., Joni A. Stephens, Carlos A. Muñoz-Viveros, and W. Patrick Naylor. "Reducing Bacterial Counts in Dental Unit Waterlines: Tap Water vs. Distilled Water." Journal of Contemporary Dental Practice 3, no. 3 (2002): 1–11. http://dx.doi.org/10.5005/jcdp-3-3-1.

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Abstract Background The maximum recommended level of microbial contamination of water from dental unit waterlines (DUWL) is 200 colony-forming units per milliliter (CFU/mL). This article addresses the importance of water selection in achieving that standard. Methods Microbial contamination in water samples from 75 new dental units, with a closedcircuit water system, were compared using combinations of tap water and sterile distilled water with and without two chemical disinfectants (bleach and 0.12% chlorhexidine gluconate, Bio2000) over a six-week period. Baseline tap water samples were collected and tested initially. Results The microbial plate counts of seven tap water specimens (controls) ranged from 4 to 95 CFU/mL. These results were well below both the 500 CFU/mL standard for public drinking water and the 200 CFU/mL goal for dental treatment water. However, when passed through dental units, no significant bacterial reduction was achieved for samples of tap water (Group 1), tap water treated with bleach (Group 2), or tap water treated with Bio2000 (Group 4). Only water samples from dental units using Bio2000 alone (Group 3) or a combination of sterile, distilled water with Bio2000 (Group 5) met or exceeded the 200 CFU/mL standard. Conclusions Using tap water alone or tap water with bleach did not improve water quality. However, the American Dental Association (ADA) standard for reduced microbial contamination of dental unit waterlines was met using Bio2000 and distilled water treated with Bio2000. Clinical Significance The ADA standard of 200 CFU/mL was achieved using a closed water system and distilled water treated with Bio2000. Using 100% Bio2000 is also effective, but more costly. Citation Kettering JD, Stephens JD, Muñoz-Viveros CA, et. al. Reducing Bacterial Counts in Dental Unit Waterlines: Tap Water versus Distilled Water. J Contemp Dent Pract 2002 August;(3)3: 001-009.

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Antoniou, D., G. Pavlakou, and PJ Rees. "The effects of osmotic challenge on bronchial responsiveness to methacholine in non-asthmatic subjects." European Respiratory Journal 3, no. 10 (November 1, 1990): 1117–21. http://dx.doi.org/10.1183/09031936.93.03101117.

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We have measured the airway responses to methacholine on three days in sixteen non-asthmatic subjects. On the first day the methacholine challenge alone was performed. The other two days were randomized between pretreatment with distilled water or hypertonic saline administered by ultrasonic nebulizer. Distilled water and hypertonic saline did not affect baseline specific conductance (sGaw). Provocative dose producing a 35% fall in sGaw (PD35sGaw) was slightly reduced by both distilled water and hypertonic saline (15.83 to 8.55 mumol with distilled water and to 11.80 mumol with hypertonic saline). Six out of 16 subjects reached a plateau of maximal response with methacholine. The level of this plateau was not affected by pretreatment with distilled water or hypertonic saline. These results show that distilled water and 3.6% saline produced small increases in non-specific reactivity in normal subjects and confirm that substantial osmotic challenge does not change airway calibre in non-asthmatic subjects.

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Morgunov, N. S., D. J. Hirsch, and I. G. Mobbs. "Low-sodium environment induces adaptation in salamander diluting segments." American Journal of Physiology-Renal Physiology 256, no. 2 (February 1, 1989): F229—F238. http://dx.doi.org/10.1152/ajprenal.1989.256.2.f229.

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The urodele Ambystoma tigrinum adapts to a distilled water environment by decreasing renal sodium excretion, but the site and mechanism of renal adaptation is unknown. Isolated diluting segments of Ambystoma kidney were studied after a 2-wk exposure of the animals to either distilled or artificial pond ([Na] = 1.2 meq/l) water. Identification of diluting segments was confirmed by electron microscopy. Morphometric study revealed evidence of increased tubular diameter and cellular hypertrophy in the distilled water group. Na+-K+-ATPase activity was increased in tubules from the distilled water group compared with tubules from the pond water group; 40.2 +/- 6.9 vs. 21.7 +/- 4.3 nM ADP generated.min-1.mm tubule length-1, P less than 0.036. This alteration in ATPase activity was due to an increase in the number of pump units present on the basolateral membrane, since specific ouabain binding was also doubled in distilled water compound with pond water group tubules, 20.7 +/- 2.3 vs. 9.1 +/- 0.9 fmol/mm tubule length tubules, P less than 0.011. An increase in transepithelial potential difference of the diluting segment was noted in distilled water group tubules (19.5 +/- 1.4 mV) compared with tubules in the pond water group (13.2 +/- 1.8 mV), P less than 0.015. We conclude that distilled water adaptation is associated with specific diluting segment structural and functional alterations, which are probably linked to an increase in sodium transport rate.

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Sasáková, N., H. Pavolová, B. Nowakowicz-Debek, M. Vargová, K. Veszelits Laktičová, J. Kachnič, and R. Hromada. "Ozonization of Water, Retention of Ozone and Devitalization of Escherichia Coli in Water By Ozone." Folia Veterinaria 65, no. 3 (September 1, 2021): 40–50. http://dx.doi.org/10.2478/fv-2021-0026.

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Abstract The aim of this study was to observe the efficiency of ozone transferred by an airstone bubble diffuser, using two ozone generators with different output of ozone (5 g.h–1 ‒ G1; 15 g.h–1 ‒ G2). The retention of ozone in ozonised distilled and potable water and the devitalisation effects on E. coli in the water were also noted. Ozone was introduced to two types of potable water of different composition intended for mass consumption, (MC)a and (MC)b, distilled water, and well water intended for individual consumption. The devitalisation effect of ozone on E. coli in well water (WW) and added to potable and distilled water was observed. The results of our study showed that under the conditions used, the level of ozone during ozonisation with G1 increased more rapidly in distilled water and after termination of ozonisation, the retention of ozone in distilled water was a little lower in comparison with the potable water. The devitalisation of E. coli either naturally present in the water or added to it required the level of ozone close to or equal to 0.25 mg.l–1.

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Nandini V, Vidyashree. "Comparative Evaluation of Microbial Flora of Dental Unit Water Lines Supplied with Distilled Water and Ozone Water in a Dental Operatory." Chettinad Health City Medical Journal 12, no. 04 (December 30, 2023): 23–30. http://dx.doi.org/10.24321/2278.2044.202367.

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Zayed, Mohamed E., Abdallah Kamal, Mohamed Ragab Diab, Fadl A. Essa, Otto L. Muskens, Manabu Fujii, and Ammar H. Elsheikh. "Novel Design of Double Slope Solar Distiller with Prismatic Absorber Basin, Linen Wicks, and Dual Parallel Spraying Nozzles: Experimental Investigation and Energic–Exergic-Economic Analyses." Water 15, no. 3 (February 3, 2023): 610. http://dx.doi.org/10.3390/w15030610.

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Increasing the evaporation zone inside the solar distiller (SD) is a pivotal method for augmenting its freshwater production. Hence, in this work, a newly designed prismatic absorber basin covered by linen wicks was utilized instead of the conventional flat absorber basin to increase the surface area of the vaporization zone in a double-slope solar distiller (DSSD). Meanwhile, for further enhancement of modified DSSD performance, dual parallel spraying nozzles are incorporated underneath the glass cover as a saltwater feed supply to minimize the thickness of the saltwater film on the wick, which enhances the heating process of the wick surface and, consequently, the evaporation and condensation processes are improved. Two double slope distillers, namely a double slope solar distiller with wick prismatic basin and dual parallel spraying nozzles (DSSD-WPB&DPSN) and a traditional double slope solar distiller (TDSSD), are made and tested in the outdoor summer conditions of Tanta, Egypt (31° E and 30.5° N). A comparative energic–exergic-economic analysis of the two proposed solar stills is also conducted, in terms of the cumulative distillation yield, daily energy efficiency, daily exergy efficiency, and cost per liter of distilled yield. The present results show that the cumulative distillation yield of the DSSD-WPB&DPSN was 8.20 kg/m2·day, which is higher than that of the TDSSD by 49.64%. Furthermore, the energy and exergy efficiencies were increased by 48.51% and 118.10%, respectively, relative to TDSSD. Additionally, the life cost assessment reveals that the cost per liter of the distilled yield of the DSSD-WPB&DPSN is decreased by 11.13% compared to the TDSSD.

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Monteiro, Joaquim, Andresa Baptista, Gustavo Pinto, Leonardo Ribeiro, and Hélder Mariano. "Assessment of the Use of Solar Desalination Distillers to Produce Fresh Water in Arid Areas." Sustainability 12, no. 1 (December 19, 2019): 53. http://dx.doi.org/10.3390/su12010053.

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Water is an important resource for human beings, yet there are inhabited places tormented by the scarcity of it. The present study is concerned with places where, seemingly, the best way to get water is through solar distillers. These places should have, typically, high values of solar irradiation and a lack of human and economic resources to build and operate complex equipment. A set of sites scattered around the world was chosen, and then the presumed productivity and thermal efficiency that solar distillers would have if they were installed at these places was calculated. The mathematical model used with this purpose assumes steady state operation; the values of mass of water distilled and distiller efficiency were calculated for every hour, but the results presented are annual averages. Then, an economic study was made based on local costs of construction materials for the distillers, the work force, and the prices of water to predict the payback time of solar distillers. Finally, a study on environmental impact, particularly in terms of greenhouse gas (GHG) emissions, was made to compare reverse osmosis (RO) with solar distillation. For the sites studied, typical values of annual water output are in the range of 414 dm3/m2, for Évora, up to 696 dm3/m2, for Faya Largeau; the minimum efficiency was found for Évora, as 11.5%, and the maximum efficiency was found for Tessalit, as 15.2%. Payback times are very high, regardless of the areas of the globe where solar distillers are implanted. Regarding the GHG emissions, solar distillation is preferable to RO.

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Gonchar, D. S., S. N. Nikulina, N. Y. Fateeva, E. A. Cherikanova, A. E. Vasyukov, and E. S. Smirnova. "Green way to identify the mineral composition of Borjomi water by conductometric method." IOP Conference Series: Earth and Environmental Science 1154, no. 1 (March 1, 2023): 012083. http://dx.doi.org/10.1088/1755-1315/1154/1/012083.

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Abstract A conductometric method for quantitative determination of the volume fraction of added distilled water to mineral water is proposed based on the analysis of the dependence of the specific electrical conductivity of solutions prepared on the basis of Borjomi mineral water on the degree of its dilution with distilled water. The technique is fully consistent with the principles of “green” chemistry, since the “waste” is mineral water diluted with distilled water.

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Alnayli, Dr Raad Sh. "Non-Linear Optical Properties of Gold Nano Particles Doped by Distilled Water (DDDW)." Journal of Advanced Research in Dynamical and Control Systems 12, no. 1 (February 13, 2020): 284–86. http://dx.doi.org/10.5373/jardcs/v12i1/20201041.

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Kumar Sharma Rahul, Rajeev. "Analysis of St. John's Wort in Distilled Water by UV - Visible Spectrophotometric method." International Journal of Science and Research (IJSR) 12, no. 6 (June 5, 2023): 63–65. http://dx.doi.org/10.21275/sr23529153103.

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Risbandini, Christin. "Utilization of Unused Autoclaves to Produce Aquades (Aquabits) in the Laboratory of Biosciences and Plant Technology, Department of Biology, Faculty of Science ITS." Jurnal Temapela 3, no. 1 (November 9, 2020): 19–24. http://dx.doi.org/10.25077/temapela.3.1.19-24.2020.

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Laboratories in Higher Education have an important role as executors of its Tri Dharma which includes the functions of education, research, and community service. Every activity in the laboratory, it requires destilled water as solvent and cleaners of various tools and materials. This fact leads to high budget is needed for the availability of the material in laboratory. In the Plant Biosciences and Technology Laboratory, an autoclave was broken. It is no longer used as its main function sterilization and can only be used as a tool to heat water. With few modifications, namely the addition of a condenser made of copper pipes, the autoclave has been converted into a simple distillation device. It was expected tha the tool could produce distilled water, which has the same value as distilled water sold in the market. The results showed that the tool produces colorless, odorless, and tasteless distilled water. The quality is in accordance with distilled water sold in the market and SNI standard for demineralized water. The pH and TDS values are slightly higher than distilled water sold in the market but are still in the range of SNI standard for demineralized water. The value of DHL, both the distilled water produced and the one sold in the market are not in the range of SNI standard for demineralized water. Hence, studies are needed to obtain the same value so that the need for distilled water for educational, research, and community service activities in the Department of Biology FSAINS ITS can be fulfilled.

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Sabri, Intan Nabila, Nadiawati Alias, Abdul Manaf Ali, and Javeed Shaikh Mohammed. "CHARACTERIZATION OF CaCO3 MICROSPHERES FABRICATED USING DISTILLED WATER." Malaysian Journal of Analytical Science 20, no. 2 (April 14, 2016): 423–35. http://dx.doi.org/10.17576/mjas-2016-2002-27.

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Cho, Chuhyun, Yoon-Cheol Ha, Chungil Kang, Yun-Sik Jin, and Geun-Hie Rim. "Electrical Explosion of Silicon Rod in Distilled Water." Japanese Journal of Applied Physics 50, no. 10R (October 1, 2011): 106201. http://dx.doi.org/10.7567/jjap.50.106201.

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Ageev, I. M., Yu M. Rybin, and G. G. Shishkin. "Slow variations of the electroconductivity of distilled water." Moscow University Physics Bulletin 71, no. 6 (November 2016): 556–61. http://dx.doi.org/10.3103/s0027134916050027.

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Cho, Chuhyun, Yoon-Cheol Ha, Chungil Kang, Yun-Sik Jin, and Geun-Hie Rim. "Electrical Explosion of Silicon Rod in Distilled Water." Japanese Journal of Applied Physics 50, no. 10 (October 20, 2011): 106201. http://dx.doi.org/10.1143/jjap.50.106201.

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Higenbottam, Tim, Colin Borland, Bob Barber, and Andrew Chamberlain. "Pulmonary Epithelial Permeability After Inhaled Distilled Water “Fog”." Chest 87, no. 5 (May 1985): 156S—158S. http://dx.doi.org/10.1378/chest.87.5_supplement.156s.

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Ovechenko, D. S., and A. P. Boychenko. "Glow of Metals during Anodization in Distilled Water." Technical Physics Letters 45, no. 5 (May 2019): 503–6. http://dx.doi.org/10.1134/s1063785019050250.

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Al-Deffeeri, Noura S. "Chemical analysis of distilled water: a case study." Desalination and Water Treatment 51, no. 7-9 (February 2013): 1936–40. http://dx.doi.org/10.1080/19443994.2012.714737.

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Sato, Masanori, Homare Itoh, and Toshitaka Fujii. "Frequency dependence of H2O2 generation from distilled water." Ultrasonics 38, no. 1-8 (March 2000): 312–15. http://dx.doi.org/10.1016/s0041-624x(99)00114-6.

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Mantzavinos, D., T. Hodgkiess, and S. L. C. Lai. "Corrosion of condenser tube materials in distilled water." Desalination 138, no. 1-3 (September 2001): 365–70. http://dx.doi.org/10.1016/s0011-9164(01)00285-5.

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Dahchour, A., G. Bitton, C. M. Coste, and J. Bastide. "Degradation of the herbicide propanil in distilled water." Bulletin of Environmental Contamination and Toxicology 36, no. 1 (December 1986): 556–62. http://dx.doi.org/10.1007/bf01623551.

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Sundar, L. Syam, and K. V. Sharma. "Thermal conductivity enhancement of nanoparticles in distilled water." International Journal of Nanoparticles 1, no. 1 (2008): 66. http://dx.doi.org/10.1504/ijnp.2008.017619.

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Huguet, Emmanuel L., and Neil J. Keeling. "Distilled Water Peritoneal Lavage After Colorectal Cancer Surgery." Diseases of the Colon & Rectum 47, no. 12 (December 2004): 2114–19. http://dx.doi.org/10.1007/s10350-004-0788-4.

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Vatsos, IN, KD Thompson, and A. Adams. "Starvation of Flavobacterium psychrophilum in broth, stream water and distilled water." Diseases of Aquatic Organisms 56 (2003): 115–26. http://dx.doi.org/10.3354/dao056115.

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Widhiyanuriyawan, Denny. "Performance of Distilled Water Electrolysis with Adding of Sodium Bicarbonate as Catalytic." Applied Mechanics and Materials 836 (June 2016): 294–98. http://dx.doi.org/10.4028/www.scientific.net/amm.836.294.

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Water is a chemical compound with chemical formula H2O. By the electrolysis proses, water can be split constituent elements, namely hydrogen (H2) and oxygen (O2). In this study, an electrolyze system used six pieces of electrodes which made from 304L SS for electrolysis process for both of distilled water and adding catalyst NaHCO3 (Sodium Bicarbonate) on distilled water. The results indicated that electrolysis process on distilled water consumed power of 353.52 Watts to produce Brown’s gas of 0.00123 l/s. Whenever, NaHCO3 was added into distilled water with the mass fraction of 1.33% consumed power decrease of 27.89 Watts and Browns gas was produced 0.0017 l/s. The efficiency of distilled water had the greatest efficiency only 5.53% by using current of 2 Ampere and power reached 31.043Watts. While the addition of catalysts had the greatest efficiency reached 40.29% in the use of mass fraction of catalyst 1.5%, 6 Ampere currents and power of 19.829 Watts.

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Li, Yang, Hua Qing Xie, Wei Yu, and Jing Li. "Investigation on Heat Transfer Performances of Nanofluids in Solar Collector." Materials Science Forum 694 (July 2011): 33–36. http://dx.doi.org/10.4028/www.scientific.net/msf.694.33.

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Nanofluids containing Al2O3, ZnO, and MgO nanoparticles were prepared with distilled water as base fluid by violent stirring and ultrasonic dispersing. The forced convective heat transfer performances of the as-prepared nanofluids in tubular solar collector were investigated. The experimental results showed that the heat transfer efficiencies of Al2O3, ZnO, and MgO nanofluids were all increased in comparison to distilled water. For 1.0% vol. Al2O3, ZnO, and MgO nanofluids, the difference in temperature between nanofluids and distilled water all could exceed 3 °C in a day’s cycling. In daytime, from 6:00 a.m. to 18:00 p.m., the maximum differences in temperature of nanofluids and distilled water appeared at about 10:00 a.m., while the maximum temperatures were achieved at about 15:00 p.m. for both nanofluids and distilled water. In night, the temperatures of nanofluids still keep more than 1 °C higher than distilled water, which indicated that nanofluids could retain more heat energy. The viscosities and heat transfer efficiencies augmented with concentration increasing for ZnO nanofluids. Even at 0.2% vol. concentration, the difference in temperature between ZnO nanofluids and distilled could reach 2.55 °C. Based on low viscosity and excellent heat transfer performance, 0.2% vol. concentration ZnO nanofluid was an attractive option to be applied in solar energy utilization.

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Helenius, Milja, Maija Aksela, Anu Hopia, and Erik Fooladi. "Rose water distillation." Lumat: International Journal of Math, Science and Technology Education 1, no. 2 (May 30, 2013): 183–88. http://dx.doi.org/10.31129/lumat.v1i2.1113.

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Steam distillation has been used for over two thousand years to isolate the scent of flowers. Rose water is nowadays a rather uncommon ingredient in European cuisine but it is common in, for example, Arabic recipes. The quality of flower distilled waters has improved due to advances in distillation techniques, allowing for better salvaging of flavourings. The aim of this work is to use two different kinds of distillation equipment, modern laboratory distillation equipment and homemade kitchen equipment, and to compare the scents of distilled rose waters. The work is suitable for teaching chemistry in upper secondary school and, if simplified slightly, in secondary school as well.

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Journal articles on the topic 'Distilled water'

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