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Journal articles on the topic 'Water purification research'

Author: Grafiati
Published: 4 June 2021
Last updated: 21 February 2023

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1

Dvoinikova, A. V., and O. I. Filipovskaya. "RESEARCH ON PURIFICATION, DISINFECTION AND ENRICHMENTOF NATURAL WATER." Oil and Gas Studies, no. 2 (May 1, 2017): 89–92. http://dx.doi.org/10.31660/0445-0108-2017-2-89-92.

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The article emphasizes that the proposed method of natural water purification with natural sorbents is more effective than purification with artificial sorbents. This will give the opportunity not only to get rid of contaminants, but also disinfect and enrich water with natural chemical elements.
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2

陈, 馨彤. "Research Progress of Water Hyacinth on Wastewater Purification." Advances in Environmental Protection 11, no. 05 (2021): 1020–25. http://dx.doi.org/10.12677/aep.2021.115122.

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3

Du, Xin Yu. "Research on Swimming Pool Water Treatment Based on Embedded System." Applied Mechanics and Materials 539 (July 2014): 644–47. http://dx.doi.org/10.4028/www.scientific.net/amm.539.644.

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This paper mainly designs the outdoor swimming pool circulation purification system, introduced the circulation mode selection, calculation of water cycle, and we proposed water purification treatment measures. After filtration and disinfection of swimming pool water, which achieve the "Hygienic standard for swimming place" (GB9667-1996) that regulations on "the quality and hygiene standards" artificial swimming pool, which can be recycled.
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4

Liu, Hai Jiao, Ming Yuan Fan, Yu Zhi Shi, and Xiao Feng Yang. "Research on Connected Water Body Self-Purification Capacity Simulation and Effect Analysis." Applied Mechanics and Materials 737 (March 2015): 715–18. http://dx.doi.org/10.4028/www.scientific.net/amm.737.715.

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Water network construction makes water increased connectivity, for the water self-purification ability also has the corresponding improvement effect. With Xiaoqing River of Guangrao County segment as an example, paper built the simulation model of river water quality based on MIKE11, and simulated the connected water body self-purification capacity. Results show that water body connectivity can improve the water quality of Xiaoqing River to a certain extent.
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5

Li, Cheng, Ting Lin Huang, Wen Jie He, Chen Li, and Zhi Wei Li. "Comparative Research for Different Treatment Technologies of Daily Drinking Water." Advanced Materials Research 663 (February 2013): 863–69. http://dx.doi.org/10.4028/www.scientific.net/amr.663.863.

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The research takes Yang Liuqing water plant as an example.Compare the studies of the conventional process, coagulation pressure type membrane process, coagulation submerged membrane process between removal efficiency and water production rate.The result shows the removal efficiency of raw water turbidity and oxygen consumption had an increase of 7% and 4% than the conventional process. Disposable water production rate increased by 1%-2%.Meanwhile combined with other influence factors,a analytic hierarchy model has been established. From the two aspects of cost and benefit,compare comprehensive
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6

Ji, Keyu, Chengkun Liu, Haijun He, Xue Mao, Liang Wei, Hao Wang, Mengdi Zhang, Yutong Shen, Runjun Sun, and Fenglei Zhou. "Research Progress of Water Treatment Technology Based on Nanofiber Membranes." Polymers 15, no. 3 (January 31, 2023): 741. http://dx.doi.org/10.3390/polym15030741.

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In the field of water purification, membrane separation technology plays a significant role. Electrospinning has emerged as a primary method to produce nanofiber membranes due to its straightforward, low cost, functional diversity, and process controllability. It is possible to flexibly control the structural characteristics of electrospun nanofiber membranes as well as carry out various membrane material combinations to make full use of their various properties, including high porosity, high selectivity, and microporous permeability to obtain high-performance water treatment membranes. These
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7

Hayashi, N., H. Yokota, H. Furumai, and M. Fujiwara. "Evaluation of source water quality for selection of drinking water purification system." Water Supply 8, no. 3 (September 1, 2008): 271–78. http://dx.doi.org/10.2166/ws.2008.071.

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When renewing water purification facilities, it is important to select a suitable purification system that can accommodate the quality of the respective source water. The Japan Water Research Center has been collecting a large amount of water quality data from drinking-water utilities across Japan, categorising and analysing these data, and evaluating the suitability of water purification processes. Multivariate analyses such as hierarchical cluster analysis and principal component analysis were performed to investigate the relationships between the quality of source water used for water suppl
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8

Allen, Robert D., Yong-Hye Na, Ratnam Sooriyakumaran, Masaki Fujiwara, and Kazuhiro Yamanaka. "Leveraging Resist Chemistry Research for Water Purification Membrane Technology." Journal of Photopolymer Science and Technology 23, no. 5 (2010): 741–47. http://dx.doi.org/10.2494/photopolymer.23.741.

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9

Chuikov, A. S., E. V. Sorokina, A. N. Volkov, U. V. Vedmetsky, and D. V. Shabanov. "Technology of primary water purification." IOP Conference Series: Earth and Environmental Science 1010, no. 1 (April 1, 2022): 012091. http://dx.doi.org/10.1088/1755-1315/1010/1/012091.

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Abstract The polluted wastewater treatment is one of the main issues in agro-industrial complex. This article is devoted to the primary water purification research for its further treatment with ferrate technology. The technology implies the wastewater treatment from household and industrial waste resulting from agricultural enterprises. The ferrate technology provides a high efficiency of pretreated water purification, in comparison with other existing methods. The article substantiates such an advantage accordingly. The waste generated as a result of wastewater treatment is non-toxic and dis
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10

Gou, Xiao Li, and Xuan Jun Wang. "The Combined Processing Technology Research of the Naturally Purification and Artificial Wetland to Dimethyl Hydrazine Waste Water." Advanced Materials Research 518-523 (May 2012): 2881–85. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2881.

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In accordance with the shortcoming of naturally purification processing to liquid propellant dimethyl hydrazine waste water, the paper is putting forward the combined processing technology of naturally purification and artificial wetland. Designed process flow of the combined processing technology, and the naturally purification and artificial wetland dealing with the structure of pond, and to his processing dimethyl hydrazine the effect to imitate waste water has been in progress research. The result indicates: the technology can effective remove dimethyl hydrazine and his degradation product
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11

Porshina, E. G., O. G. Saimanova, and E. P. Serpukhova. "Research of the Purification Methods of Chrome-Containing Manufacturing Water." IOP Conference Series: Materials Science and Engineering 1079, no. 3 (March 1, 2021): 032074. http://dx.doi.org/10.1088/1757-899x/1079/3/032074.

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12

Прасолов, Евгений Яковлевич, and Артур Юрійович Ломига. "Research of the purification process of farmland oil-containing water." Technology audit and production reserves 5, no. 1(19) (October 2, 2014): 61. http://dx.doi.org/10.15587/2312-8372.2014.28069.

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13

Wu, Chung Hao, Hsien Sheng Peng, and How Ji Chen. "Research on the Feasibility of Concrete Incorporating Water Purification Sludge." Materials Science Forum 1005 (August 2020): 47–56. http://dx.doi.org/10.4028/www.scientific.net/msf.1005.47.

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This study aims to develop the mix proportion of concrete incorporating water purification sludge (WPS), as parts of fine aggregate and consequently investigate its mechanical properties and durability. The experiments involve three sludges from Da-Nan, Lin-Nei and Nan-Hua water treatment plants in Taiwan. In addition to the control mixture without WPS, four replacement levels of 20%, 40%, 60% and 80% of fine aggregate were selected for preparing the concrete mixture. The concretes tested were designed to have three target compressive strengths of 14MPa, 18MPa and 21MPa. Test results show that
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14

Gong, Mingfu, Shilin Xiao, Xian Yu, Chencheng Dong, Jiahui Ji, Dong Zhang, and Mingyang Xing. "Research progress of photocatalytic sterilization over semiconductors." RSC Advances 9, no. 34 (2019): 19278–84. http://dx.doi.org/10.1039/c9ra01826c.

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With increasingly serious environmental issues, practical applications of semiconductor photocatalysts for environmental purification have attracted broad attention. Semiconductor photocatalysts for the disinfection of soil surfaces, air and water are of great interest.
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15

Onuoha, D. C., and O. G. Ogbo. "Application of Nano-Technology in Water Purification and Treatment, Towards Improving Water Quality for Effective Water Supply in Nigeria." International Journal of Environment and Pollution Research 10, no. 2 (February 15, 2022): 19–33. http://dx.doi.org/10.37745/ijepr.13/vo10.n2pp1933.

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Nanotechnology has myriads of potentials and windows of opportunities cutting across all sectors, but this paper concentrated on the application of nanotechnology in water purification and treatment as a means of improving water quality for effective water supply in Nigeria. The paper reviewed twenty-one manuscripts on the applications of nanotechnology in water treatment, its efficiency and major challenges including original research studies and reviews. It was found that nanotechnology has the potentials to advance and make easy the process of water purification effectively, with the merits
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16

Dolina, Leonid Fedorovich, Olena Kostiantynivna Nahorna, Yuliia Oleksandrivna Zhdan, and Dmytro Andriyovich Dolyna. "WATER PURIFICATION IN SPACE CONDITIONS." Journal of Rocket-Space Technology 29, no. 4 (November 17, 2021): 194–202. http://dx.doi.org/10.15421/452122.

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The life support system of the International Space Station must include the provision of drinking water to the crew and the treatment and disposal of wastewater. The cost of water delivery to the ISS is very high, so it is necessary to improve the technological schemes of wastewater treatment in space in order to reuse water in a complete closed cycle. The studies were performed based on the analysis of Ukrainian and foreign scientific sources and reporting data on the specifics of water use at space stations and the treatment methods of the used waters (wastewaters). In addition to internatio
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17

Fu, Wan Jun. "The Technology of High Efficiency Water Purification." Advanced Materials Research 1052 (October 2014): 574–77. http://dx.doi.org/10.4028/www.scientific.net/amr.1052.574.

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A new promising water purification technology, soft fiber wadding filter, was introduced in this article. The technology has the advantages of energy saving and emission reduction efficiency greatly, is currently the most advanced water purification. This paper explains the structure of the technical equipment, tell the filtration principle, provides the filter parameters of practical efficiency, comparison. The technology is mainly used in power plants, metallurgy, chemical industry, oil field water treatment engineering, and achieved satisfactory results. Significance of the research on the
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18

Toma, Adina, Zheleva Ivanka, Cristian Puşcaşu, Alexandru Paraschiv, and Mihaela Grigorescu. "Technical project for a new water purification solution." MATEC Web of Conferences 145 (2018): 03013. http://dx.doi.org/10.1051/matecconf/201814503013.

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This research is part of the RO-BG Cross-Border Cooperation Program, project “CLEANDANUBE”, MIS-ETC 653, which has finalised by providing a common strategy to prevent the Danube’s pollution technological risks with oil and oil products. This paper presents a new sustainable water purification solution. A short introduction will be offered and an overview regarding the research and new methods to greening the waste is provided. The theoretical aspects of the centrifugal separation phenomenon are studied and the preliminary project bases were established. The paper conveys the possible construct
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19

Tang, Xin, Changlei Chen, Xin Yang, and Weidong Liu. "Research on Micro-Water Treatment Technology of High-Voltage SF6 Equipment without Power Failure." Journal of Physics: Conference Series 2401, no. 1 (December 1, 2022): 012066. http://dx.doi.org/10.1088/1742-6596/2401/1/012066.

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Abstract With the frequent occurrence of high-voltage SF6 equipment-related problems in recent years, the exceedances of micro-water content and decomposition products of SF6 and other problems are getting increasingly worse. The routine solution involves multiple processes, including powering off the equipment, recovering the SF6 gas in the equipment, flushing, injecting new SF6 gas, and conducting the voltage withstand test, which requires a huge number of manpower and material resources. Besides, the operating process is risky, and power cutting and re-supplying increase the operational ris
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20

Peng, Zhen, Li Zhang, Chun Sheng Wang, and Ke Fu Yao. "A Research on Purification of Oily Wastewater with TiO2 Photocatalysts Supported by Zeolite Particles." Advanced Materials Research 953-954 (June 2014): 1017–21. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.1017.

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It is well-known that TiO2is an environmental benign photocatalyst which can be used to decompose harmful organic compounds. Recently, many studies are concentrated on the purification of industrial wastewater due to the requirement of environmental protection. In present study, TiO2nanomaterials supported by fine zeolite particles have been used as the photocatalyst to purify the oily wastewater. It has been found that the oil concentration in the modulated water can be reduced significantly and rapidly under the action of photocatalytic degradation and the ultraviolet light radiation. After
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21

Gorbach, V. A. "Research and development on the purification of natural water from arsenic." Mining informational and analytical bulletin, S19 (2021): 362–74. http://dx.doi.org/10.25018/0236_1493_2021_11_19_362.

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22

Xu, Peilong, and Juan Zhang. "Research of Diatomite\'s Purification Capacity to Organic Pollutants in Water." Advance Journal of Food Science and Technology 6, no. 8 (August 10, 2014): 947–50. http://dx.doi.org/10.19026/ajfst.6.137.

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23

QU, Jiuhui. "Research progress of novel adsorption processes in water purification: A review." Journal of Environmental Sciences 20, no. 1 (January 2008): 1–13. http://dx.doi.org/10.1016/s1001-0742(08)60001-7.

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24

Fadhilah, Lailatul, Jasmidi Jasmidi, Rini Selly, and Moondra Zubir. "Water Purification Process Uses Adsorbents From Natural." Indonesian Journal of Chemical Science and Technology (IJCST) 4, no. 1 (January 30, 2021): 42. http://dx.doi.org/10.24114/ijcst.v4i1.23095.

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Adsorbent is an adsorption that is used to absorb various pollutants. Adsorbents can be used from natural materials. Natural ingredients that can be used are oil palm empty bunches. Oil palm empty bunches are a carbon-rich material that is getting new research interest in adsorption because of its abundance and properties. Oil palm empty bunches contain carbon, nitrogen, hydrogen, oxygen, sulfur, lignin, hemicellulose, and cellulose. Oil palm empty bunches are used as adsorbent for water saturation.
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25

Shannon, Mark A., and Raphael Semiat. "Advancing Materials and Technologies for Water Purification." MRS Bulletin 33, no. 1 (January 2008): 9–15. http://dx.doi.org/10.1557/mrs2008.8.

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AbstractWorldwide, 1.2 billion people lack access to sufficient amounts of clean water, and 2.6 billion lack adequate sanitation. Also, industry relies on large quantities of water during manufacturing, which is then returned to the environment. Having adequate water supplies, and removing pathogens, chemicals, and other contaminants with high throughput at a low cost is a growing challenge around the world. This issue of MRS Bulletin examines how materials research, through the development of membranes, catalysts, nanoparticles, and other materials, is addressing these needs.
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26

Kotia, Ankit, Aman Yadav, Tata Rohit Raj, Maria Gertrud Keischgens, Happy Rathore, and Ioannis E. Sarris. "Carbon Nanoparticles as Sources for a Cost-Effective Water Purification Method: A Comprehensive Review." Fluids 5, no. 4 (December 1, 2020): 230. http://dx.doi.org/10.3390/fluids5040230.

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As the global population grows, the demand for cost-effective and eco-friendly water purification methods is increasing, which presently is at its peak due to the increase of impurities in water and the increasing awareness of waterborne disease. Carbon-based materials, which includes activated carbon, carbon nanotubes (CNTs), graphene, graphene oxide (GO), reduced graphene oxide (rGO), fullerene, and carbon dots, are observed as potential candidates for water treatment. In the present review, developments related to water purification methods using carbon nanomaterials over the last decade ar
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27

Galkina, Olena, Sergiy Kunytskyi, and Tamara Shevchenko. "The Effectiveness of the Implementation of Research Results in a Technological Scheme of Water Purification." Slovak Journal of Civil Engineering 30, no. 4 (December 1, 2022): 17–22. http://dx.doi.org/10.2478/sjce-2022-0024.

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Abstract The paper proposes technical solutions for the use of the reagent method of water preparation at coke plants in order to bring it to a quality suitable for use in the circulating water supply system of the PJSC Kharkiv Coke Plan. It is proposed to dilute phenolic water in a biochemical installation in a mixer before purification and to purify water with a flocculant. The paper recommends dosing the flocculant solution automatically using a preparation station. Additional purification of the clarified water is carried out using a filtration unit with a filter media from a layer of quar
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28

Chen, H., X. H. Che, Z. J. Bi, and Z. S. Tian. "Research on a small-scale drinking water quality detection system based on detection of laser-induced fluorescence." Journal of Physics: Conference Series 2226, no. 1 (March 1, 2022): 012002. http://dx.doi.org/10.1088/1742-6596/2226/1/012002.

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Abstract In this paper a small-scale drinking water quality detection system that can be used for real-time evaluation of Dissolved Organic Matter (DOM) and Total Dissolved Solids (TDS) is presented. The DOM detection is based on the principle that the intensity of the laser-induced fluorescence signal is proportional to the DOM concentration. In experiment, the DOM concentration of sodium humate solution and the TDS value of NaCl solution are tested, respectively. In addition, drinking water and tap water before and after purification are also detected by the system. The quality of purified w
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29

Ferdinal, Norman. "PEMURNIAN CATECHIN DARI GAMBIR KOTO PANJANG, PESISIR SELATAN." Jurnal Riset Kimia 5, no. 1 (February 12, 2015): 40. http://dx.doi.org/10.25077/jrk.v5i1.177.

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Vol 5 No 1ABSTRACT The research about catechin purification from gambier was purposed to find its solubility properties in various solvent such as in cold water, hot water, hexane, ethyl acetate, and methanol. By knowing its solubility properties, the easiest way to purify the catechin could be gotten which is yielding about 7.33%. Further, the molecular structure has been gotten by determining its melting point and using spectrophotometric measurements such as UV, IR, 1H NMR, 13C NMR. Based on those measurements, d-cathecin structure with a melting point of 175 - 177 ºC was founded. The expec
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30

Jin, La Hua, and Na Sha Jiang. "Research on Effect and Mechanism of Sewage Treatment by SBR with Concrete Bio-Films." Advanced Materials Research 726-731 (August 2013): 1930–34. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.1930.

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In order to develop a new high-efficient but low-cost sewage treatment technology, sewage treatment experiments have been accomplished in a new type sequencing batch reactor with concrete bio-films. During experiments, simulation sewage was taken as raw water, and the operation sequence of the reactor was taken as 1.25h for water input and hypoxia, 1.25h for aeration, 0.5h for precipitation and 0.5h for water discharge successively. It has been shown by the experimental results that the reactor has optimal sewage purification effects, such as its average pollutant removal rate can arrive at ab
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31

Farkhod, Yusupov, Nuriddinova Dilfuza, Yakhsheva Yulduz, Yusupov Sukhrob, and Mamanazarov Murodali. "Import-mixing Sorbents for Purification of Waste Production Water of Gas Processing Industry for re-use." International Journal of Mechanics 15 (June 29, 2021): 95–101. http://dx.doi.org/10.46300/9104.2021.15.10.

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Currently, there are a variety of methods and technologies for water purification. One of them is the adsorption method. Today the adsorption method is widely used in the water treatment industry. The aim of the research is to create an effective multifunctional filtering composition suitable for complex physical and chemical water purification. For this, a cation exchanger developed on the basis of local raw materials, activated alumina and other local materials was used. The adsorption properties of the cation exchanger and aluminum oxide in the composition of this filter have been studied.
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32

Dong, Hanjiang, Dongsong Yan, Liangyu Deng, Hongfei Guo, Keshan Wang, Mengfan Wu, Bingjie Yu, Jian Wang, and Haodong Fan. "Purification Effect of Oysters Based on the Analysis of Environmental Parameters." Studies in Engineering and Technology 6, no. 1 (June 20, 2019): 78. http://dx.doi.org/10.11114/set.v6i1.4299.

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With the development of coastal industries, marine pollution has intensified, and more and more shellfish in marine areas have been polluted to varying degrees. People's health can be compromised when eating contaminated shellfish. In the actual purification process of the shellfish purification plant project, there is no in-depth exploration of the parameters of the purification pond. Based on supplementing the basic research for the development of the oyster purification industry at different temperatures, salinities, pH, ultraviolet lamp power, irradiation time, and water flow rate, we find
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33

Ma, Jian Wei, and Ya Rui Song. "Purification Raw Water by Magnetic Resin (MIEX)." Advanced Materials Research 726-731 (August 2013): 3185–88. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.3185.

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The objective of this research was to compare enhanced coagulation with anion exchange for removal of natural organic matter (NOM) and bromide. Treatment with a magnetic ion exchange resin (MIEX) was the primary focus of this study. The performance of the magnetic ion exchange resin,MIEX, in the treatment of raw water was investigated. MIEX can effectively remove UV-absorbing substances DOC. The removal of organic substances is accompanied by the elimination of other undesirable components, such as nitrogen and phosphorus. The optimal process parameters are at resin doses of 5-10 mL L1and cont
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34

Liang, Su Tao, Jin Xi Lu, Jiang Hai Ji, Liang Gao, Hong Wei Li, and Hong Quan Liu. "The Research on Designing a New Artificial Ecological Sewage Treatment Technology." Advanced Materials Research 538-541 (June 2012): 3133–36. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.3133.

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The research aims at a new technology of ecological waste water treatment, which can not only clean up in a high efficient to some inorganic element, such as N and P and etc, hold up pollutants in waste water efficiently, but also improve purification efficiency of unit volume of sewage by 32-46% and keep it functioning normally all year around.
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35

Kudryashova’, Tatiana, Sergey Polyakov, and Nikita Tarasov. "A novel parallel algorithm for 3D modelling electromagnetic purification of water." MATEC Web of Conferences 210 (2018): 04027. http://dx.doi.org/10.1051/matecconf/201821004027.

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The computational fluid dynamic research in this work has focused on the problem of full-scale three-dimensional modelling water purification processes by the electromagnetic method. Presently, this method of purification was used in the final stage of processing for the production of ultrapure water. In spite of many field experiments, detailed data on such processes can be obtained only by the mathematical modelling. This way allows us to take into account many aspects, for example: real three-dimensional geometry, physical structure of the purification system, heterogeneous composition of t
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36

Bian, J., and X. Li. "Research on the Operational Regularity and Management Technology of Stabilization Ponds." Water Science and Technology 26, no. 7-8 (October 1, 1992): 1749–57. http://dx.doi.org/10.2166/wst.1992.0618.

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This paper studies the treatment of municipal wastewater in Tianjin by intensified facultative ponds. Based on the analyses and calculation of a great quantity of data, the removal efficiencies and influencing factors of BOD, COD, SS, TN etc. should be taken to promote the purification effects of stabilization ponds. Moreover, from the process of the purification of wastewater, some relationship with DO level, concentration of algae chlorophyll and daphnia could be found and be investigated as basis of controlling and optimising of the normal operation of ponds. It also provides a significant
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37

Fu, Wan Jun, and Wei Liang. "A New Technology of High Efficiency Filter Water Purification." Applied Mechanics and Materials 651-653 (September 2014): 1394–97. http://dx.doi.org/10.4028/www.scientific.net/amm.651-653.1394.

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A new promising water purification technology, soft fiber wadding filter, was introduced in this article. The technology has the advantages of energy saving and emission reduction efficiency greatly, is currently the most advanced water purification. This paper explains the structure of the technical equipment, tell the filtration principle, provides the filter parameters of practical efficiency, comparison. The technology is mainly used in power plants, metallurgy, chemical industry, oil field water treatment engineering, and achieved satisfactory results. Significance of the research on the
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38

Hu, Baoan, Miao Miao Wang, and Liang Shao. "Research on Residual Water Purification Treatment for Environmental Dredging of Taihu Lake." Advanced Materials Research 356-360 (October 2011): 1023–28. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1023.

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Large quantities of residual water with contaminants are produced during the dredging project of Taihu lake, which will bring environment pollution without treatment. Combining the experiments with real engineering, water quality and the correlation between pollution indexes were detected and analyzed in this article. Through coagulation experiments, the removal effects of different flocculants were investigated, meanwhile the amount of flocculants and the setting time were determined. Experimental results showed that the correlation exists between SS, CODMn , NH3-N and TP, so the method of on
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39

Wang, Ying, Xia Zhen Shao, and Yang Ming Yu. "Purification of Hydrilla Verticillata - Water Hyacinth Combinations in the Urban River’s Simulation Test Research." Advanced Materials Research 518-523 (May 2012): 1780–83. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.1780.

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Using the Hydrilla verticillata - water hyacinth combination to conduct the purification research,which simulates the urban river water , the experimental study discovery, compare with the still water condition and the move water condition which the velocity of flow is 1.74cm/s, it has slightly the superiority to NH3-N, TP and DO purifies, the average elimination rate of NH3-N and TP achieves 87.24% and 82.06%，the DO density of the moves water group fluctuation not to be big in the entire experimental process, maintains throughout in the 7.24～8.75 mg/L mg/L stable scope, but to TN and COD elim
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40

Li, Yujie, Cai Cheng, and Xiaona Li. "Research Progress on Water Purification Efficiency of Multiplant Combination in Constructed Wetland." IOP Conference Series: Earth and Environmental Science 632 (January 14, 2021): 052051. http://dx.doi.org/10.1088/1755-1315/632/5/052051.

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41

Yang, Guo Sheng, Jie Sheng Huang, Jian Li, and Wei Yin. "Study on Green Water Management in a Typical Watershed in Water Resource Area of the Mid-Route of South-to-North Water Transfer." Advanced Materials Research 864-867 (December 2013): 2240–48. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.2240.

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Danjiangkou Reservoir and its upstream tributaries as water resource area is of strategic importance for the Mid-route of South-to-North Water Transfer Project. Water conservation and water purification is the key measures for sustainable water diversion. Green water management as a new technologies to achieve water conservation and water purification has a broad application prospects. In this research, green water management was studied in the Upper Du watershed. ArcSWAT model was used to assess quantity of green water resource. By adjusting the model parameters, the efficiency of different g
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Godoy, Antonio Cesar, Romulo Batista Rodrigues, Arlindo Fabrício Corrêia, Jarred Hugh Oxford, Antonio Carlos Chidichima, Frederico Lovato, Wilson Rogério Boscolo, Monica Lady Fiorese, and Aldi Feiden. "Mapping of physical-chemical, microbiological, and chemical component characteristics of water samples from Nile tilapia slaughterhouses." Research, Society and Development 10, no. 11 (August 27, 2021): e164101119066. http://dx.doi.org/10.33448/rsd-v10i11.19066.

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The aim of this study was to analyze the physicochemical and microbiological characteristics of the water used in fish processing and tilapia fillets in slaughterhouses. The study analyzed the processing water from nine slaughterhouses. The water samples for analysis were collected at three points: process water (PW), it is the water used inside the slaughterhouses in direct contact with the fish; clean water entering the purification tank (EPT) and water leaving the purification tank (LPT). The processing waters of the nine tilapia slaughterhouses were analyzed and characterized according to
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43

Lubis, Rosliana, and Muhammad Usman. "PEMANFAATAN KITOSAN DARI LIMBAH CANGKANG KERANG BULU(Anadara inflata) SEBAGAI BAHAN PENJERNIH AIR SUNGAING DARI LIMBAH KULIT DURIAN." BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) 1, no. 1 (July 22, 2014): 35–39. http://dx.doi.org/10.31289/biolink.v1i1.16.

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The title of this study is the utilization of chitosan from shellfish waste as water purifier. The purpose of the study is to utilize coagulant of shellfish waste in water treatment proes into clear water. The research variabel are the concentration of chitosan 1,3,5,7, and 9 g/l. The particle size of chitosan used in this research is 150 mesh. The time consume 8 hours for purification process. The result showed that 9 g/l chitosan shell waste is effective to water purification process. At a concentration of 9 g/l. Chitosan shellfish waste can produce clean water in complianee with health mi
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Li, Gang, Chun Hong Hao, Yu Ming Jing, Dao Xing Liu, and Yi Li. "Eutrophication Problems of Recycled Water for Landscape Water and Ecological Restoration." Applied Mechanics and Materials 361-363 (August 2013): 938–41. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.938.

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As the high background values of nutrients poor self-purification capacity, Landscape Water with reclaimed water as water easily happen water eutrophication, finally lead to water blooms. This paper reviews progress of the reuse of reclaimed water for landscape water, detailed analysis the cause of landscape water eutrophication. For algal blooms, ecological restoration research on the eutrophication landscape water in recent years is summarized, such as phytoremediation, animal remediation and microbial remediation.
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Reshnyak, Valerii I., Aleksandr I. Kaliaush, and Ksenia V. Reshnyak. "DEVELOPMENT OF BALLAST WATER PURIFICATION AND DISINFECTION TECHNOLOGY." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 14, no. 3 (September 2, 2022): 365–73. http://dx.doi.org/10.21821/2309-5180-2022-14-3-365-373.

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The technology of purification and disinfection of ballast water developed by the authors is presented in the paper. Based on the results of a systematic analysis of the problem and on research experience in this field, it has been shown that the quality of ballast water discharged overboard after its use as ballast is determined by such basic factors as purification technology and design features of treatment devices, as well as conditions for operations with ballast water. The technology of ballast water purification as a complex of operations for purification, treatment and disinfection is
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Lee, Yeonkyung. "Water Treatment Facilities as Civil Engineering Heritage from Guardian of Urban Sanitation to Symbol of Urban Colonial Modernity, in the Case of Ttukdo (Seoul) Water Purification Plant." Sustainability 12, no. 2 (January 9, 2020): 511. http://dx.doi.org/10.3390/su12020511.

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Ttukdo Water Purification Plant, built in 1908, is the first modern waterworks facility in Seoul and the first waterworks industrial heritage in Korea. Modern waterworks were established in order to resolve insanitary conditions of the city as a part of modernization projects; however, it had been developed with discrimination and colonial domination under Japanese occupation. This paper investigates how Ttukdo Water Purification Plant, a product of colonial modernity, became the representative modern waterworks heritage in both aspects of a colonial and civil engineering heritage. Based on ar
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Guo, Jie Zhi, Hao Guo Tang, Hong Juan Yao, and Yan Mei Zhang. "Research on the Extraction and Purification of Dihydromyricetin from Ampelopsis grossedentata." Advanced Materials Research 1033-1034 (October 2014): 738–43. http://dx.doi.org/10.4028/www.scientific.net/amr.1033-1034.738.

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Extracting dihydromyricetin from Ampelopsis grossedentata by water extraction method. The orthogonal test and single factor experiment were used to optimize the best extraction condition. The ratio of liquid and material is 20:1, extraction time is 90min, extraction temperature is 90°C,holding time is 1d. The results of comparison between two purification methods show: Purify with acetone and recrystallization with water is better. The purity of dihydromyricetin is high to 98%, recovery rate was 59.2%.
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Patil, Kartik Balkrishna. "Design and Fabrication of Thermosyphon Water Purification System." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 14, 2021): 2320–29. http://dx.doi.org/10.22214/ijraset.2021.34331.

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Lack of clean drinking water in rural areas is a huge problem during the occurrences of floods and other environmental disasters. Often, it takes a long time to transport potable water to these areas resulting in health issues for the residents. In this research, a solar power-based water purification system using PCM to produce clean drinking water in flood-affected areas or remote areas where potable water is difficult to obtain is proposed. Purification reduces the concentration of particulate matter including suspended particles, parasites, bacteria, algae, viruses, and fungi as well as re
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Mironovs, Viktors, Juris Treijs, and Edmunds Teirumnieks. "Research of Oil Product Sorption Processes by Ferromagnetic Sorbents." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2015): 153. http://dx.doi.org/10.17770/etr2015vol1.621.

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In paper, is given overview of sorbents with ferromagnetic particles. The series of newly designed composite sorbents SOMSOR, are described. Described experiment of oil spill collection from water surface, which comprises of sorbent spreading and collection. Oil sorption by capillary forces, is discussed. Concluded that use of ferromagnetic sorbents a promising direction in the field of water purification from light oil products since it allows expanding the scope of the used powder sorbents, to use the high-mechanized methods of collecting by means of magnetic and electromagnetic devices.
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Qin, Ke, Sheng Li, You Cheng Xiao, Zhao Xia Lu, and Fu Chuan Huang. "Pilot Producing Technology Research and Equipment Design of Biogas Purification Compression and Filling." Advanced Materials Research 823 (October 2013): 585–88. http://dx.doi.org/10.4028/www.scientific.net/amr.823.585.

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Design a pilot experiment to purify biogas, remove and separate the impurities such as sulfur, water in the biogas to separate carbon dioxide and methane with the method of high pressure liquefaction. Pressure filling the methane into the cylinders after the purification and separation, which will be used for civilian or vehicle. A deep analysis to the process of pilot producing technology of the biogas purification compression and filling can solve the various practical technical problems that appear in the pilot, improve the equipment, technology and specific operations in the test, in order
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