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Dissertations / Theses on the topic 'Pre-coagulation'

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1

Chung, Kyung Sun. "Membrane Distillation for Leachate Treatment with Fenton Pre-Coagulation Treatment Process." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/96701.

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Landfill leachate is considered as a complex wastewater with various organic and inorganic species which must meet strict discharge standards before its release. Due to such high concentration of diverse pollutants, leachate is low in biodegradation; therefore, a proper usage of physicochemical treatments is required. In this study, membrane distillation (MD) has been used along with Fenton treatment process for pre-coagulation to achieve an effective removal of contaminants. MD is a technology derived with vapor pressure difference across the hydrophobic membrane which traps the feed-wastewat
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Guerrieri, Diane. "Pilot plant study on the formation of bromate during pre-coagulation ozonation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0030/MQ62215.pdf.

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3

Al-Abri, Mohammed Z. "Combined macromolecular adsorption and coagulation for improving pre-treatment of membrane processes in desalination plants." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446383.

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4

Tranchant, Carol Claude. "Coagulation behaviour of differently acidified and renneted milk and the effects of pre-treatment of milk." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0022/NQ51049.pdf.

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5

Robertson, Louise. "Optimising coagulation and ozone pre-treatments and comparing the efficacy of differently pre-treated grain distillery wastewaters in an upflow anaerobic sludge blanket (UASB) reactor." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86286.

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Thesis (MScFoodSc)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Large volumes of high strength wastewater are generated annually by distilleries. Treatment of this wastewater is essential to increase its reuse potential. Anaerobic digestion (AD) has been widely applied as high strength wastewater treatment. Additionally, grain distillery wastewater (GDWW) is high in fats, oils and grease (FOG) which can cause problems during AD. Pre-treatment is therefore often required to make the AD process more efficient. The overall objective of this study was to investigate the operational effici
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Antovic, Aleksandra. "Determinations of the overall haemostasis potential and fibrin gel permeability : method development and application in research and in clinical materials /." Stockholm, 2004. http://diss.kib.ki.se/2004/91-7349-932-3/.

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7

Gewehr, André Granzotto. "Tratamento por coagulação-floculação de lixiviado bruto de aterro sanitário com e sem pré-tratamento biológico em reator sequencial em batelada." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/62110.

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A forma de tratamento e destinação final ainda mundialmente preponderante para os resíduos sólidos urbanos é o aterro sanitário, método que gera, além de uma massa sólida residual, parcialmente estabilizada, subprodutos finais líquidos e gasosos. O efluente líquido, conhecido como lixiviado, necessita tratamento específico, devido a sua elevada nocividade ao meio ambiente, em função, principalmente, de suas elevadas concentrações de nitrogênio amoniacal e de matéria orgânica, em elevado percentual, recalcitrante. O presente trabalho avaliou em escala de bancada o tratamento, via processo físic
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8

Karlsson, Jessica. "Sample cradle prevents pre-analytic error on platelet counts but is not essential for hemoglobin measurement and prothrombin time." Thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-182146.

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Introduction: It is recommended to place all the vacuum tubes directly on a sample cradle after vein puncture to prevent analytic error. This recommendation is not always easy to follow because the samples are taken by different professionals under different situations.  The three most common analyses, platelets count, haemoglobin and prothrombin time were tested.  Therefore, it was interesting to compare results from the three most common analyses with or without sample cradle, to evaluate the influence of this step on the result. Methods: Three analyses were preformed, using blood from 50 di
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9

Daniel, Steven A. School of Medicine UNSW. "Pre-coagulation of solid organs." 2007. http://handle.unsw.edu.au/1959.4/40723.

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Coagulation has and continues to be one of the most important elements in medicine. Issues from a lack of hemostasis range from poorer clinical outcomes to sudden death. The evolution of treatments for hemostasis have evolved from the use of Tamponade with direct pressure and bandages, the use of materials such as cobwebs and dust, the use of heat with hot oil or heated irons, to the use of suture, glues, plasmas, staplers, and electricity. This evolution has continued to bring about the prophylactic use of technology in an effort to prevent blood loss. This change from reactive treatments
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10

Shanwe-Chen and 陳聖偉. "The Effect of Pre-oxidation in Coagulation and Precipitation." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/50452169223038560961.

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碩士<br>國立成功大學<br>環境工程學系碩博士班<br>98<br>English Abstract Eutrophication in reservoir leads to algal blooms during spring and summer days. After death, algae release organic compounds and reducing materials such as iron and manganese. These chemical in the reservoir may cause turbidity, odor, and color increasing, resulting in consuming more coagulant and pre-oxidants 、the higher turbidity of outflow of sedimentation tank and increasing frequency of filter backwash. This study take Baoshan water treatment factory, which converge Baoshan Reservoir and Baoshan second Reservoir water as the main sour
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11

Liang, Hsiao-Wen, and 梁效文. "The influence of pre-ozonation on NOM removed by coagulation." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/27662221224922874544.

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12

Ratajczak, Marek. "The Use of Coagulation as a Pre-treatment to Ultra-filtration Membranes." Thesis, 2007. http://hdl.handle.net/10012/3244.

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ABSTRACT With an increasing population density throughout the world and the current drive to provide fresh water to as many people as possible, innovative methods of providing safe drinking water are in very high demand. In 2002, the United Nations stated in their millennium declaration that one of their priority goals was “to halve, by the year 2015, the proportion of people who are unable to reach or to afford safe drinking water” (UNESCO, 2000). This goal was set with high standards, and will require a great deal of water treatment related research in the short coming years. Over the past
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13

Chih-YuanYao and 姚智元. "The Effect of Membrane Material and Pre-coagulation on UF Membrane Fouling." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84972655694051277043.

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碩士<br>國立成功大學<br>環境工程學系碩博士班<br>100<br>Eutrophication is becoming a serious problem for reservoirs today. Natural organic matter (NOM) may cause fouling when using UF (Ultrafiltration) membrane to treat eutrophicated source water. Fouling phenomena can be varied with the organic contents in the feed water, membrane material, and pore size, etc. In this study, the effect of coagulation pretreatment and the material of hollow-fiber UF membrane on NOM fouling was studied. The source water from an eutrophic reservoir in souther Taiwan was collected. As this study was focused on the dissolved organic
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14

Chang, Pin-Cheng, and 張品宸. "Effects of Pre-Ozonation on the Removal of THMs Precursors by Coagulation." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/91890724059920578453.

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碩士<br>國立臺灣大學<br>環境工程學研究所<br>96<br>Due to the characteristics of high concentrations of dissolved organic carbon (DOC), low turbidity and low alkalinity in the Tai-Lake source water in Kinmen, the DOC is difficult to remove by conventional treatment processes. However, the introduction of the enhanced coagulation based on disinfectant/disinfection by-product Rule (D/DBP Rule) again would result in the formation of high trihalomethanes beyond the drinking water quality standard (80μg/L) in Taiwan. As a result, the purpose of this study was intended to evaluate the effect of pre-ozonation on the
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15

Huang, Po-chuang, and 黃泊璋. "The pre-chlorination and coagulation of water from different depths of Shihmen reservoir." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/66335554435091291930.

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碩士<br>國立中央大學<br>環境工程研究所<br>100<br>Due to extreme high turbidity during typhoons or heavy rains, which resulted in difficulties in potable water treatment, the water intake well to draw water from upper levels of the reservoir was built in the Shihmen reservoir. After drawing water from the intake well, it was found that there were bubbles or foams on the surface in slow mixing tank and filter during backwash in Pingjan water treatment plant. Moreoever, the run time of filtration was significantly reduced and the filter was severely clogged. In this research, two source waters were taken from
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16

Peng, Shu-Wei, and 彭舒維. "Effects of Pre-Magnetized on Coagulation and Sedimentation Treatment of Backside Grinder Wastewater." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/64022834155271925491.

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碩士<br>雲林科技大學<br>環境與安全工程系碩士班<br>96<br>A large amount of nano-particles were stability state in backside grinder wastewater. Therefore, it caused high turbidity and decreased the efficiency of treatment. Although there is no restriction effluent standard for turbidity at present, but turbidity will cause the water quality to be muddy.It is not only influence the sighted , but also relatively higher degree in colorness. Amount of medicine added difficult control, power consumption improvement by a wide margin, retrieve result to be apparent to raise, increase issues such as the cost,etc. Does not
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17

Chen, Shu-Hua, and 陳姝樺. "The effect of ClO2 pre-oxidation on the coagulation efficiency of drinking water treatment." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/54462085939125466375.

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碩士<br>逢甲大學<br>環境工程與科學所<br>91<br>This thesis is to study the effect of pre-oxidant, ClO2 to the removal efficiency of organic matter by coagulation/sedimentation. Four coagulants; Al(SO4)3•14H2O(alum )、Poly Aluminium Chloride(PACl)、Ferric Chloride (FeCl3)and Polyferric Sulfate(PFS)were used as coagulants to test the coagulation performance for the effluent of pilot-scale bio-filter in Feng-Shan water treatment facility. The results of jar-test shown that the organic matter removal with FeCl3 and FPS were better than that with PACl. The floc of Fe(OH)3 produced from Fe salt coagulants were more
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18

Cheng, Ching-yuan, and 鄭清元. "Effect of Pre-microwaved PAC on the Coagulation Process of Glass Polishing Wastewater Treatment." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/74341231334167091257.

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碩士<br>國立雲林科技大學<br>環境與安全工程系碩士班<br>95<br>The study was conducted to observe the effect of glass polish wastewater treatment on condition that pre-microwaved PAC(Poly Aluminum Chloride ) was added to the targeted wastepaper from a TFT-CCD glass baseboard factory. In particular, some properties of treated glass polish wastewater were studied: its precipitation time, turbidity, conductivity, temperature and the size of floc aggregates formation. In it, separate parts of PAC which had been microwaved for different time limits were separately added to the wastewater in order to ruin the stabilities o
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19

chang, Yi-wen, and 張懿文. "The effect of pre-oxidation using chlorine dioxide on removal of natural organic matters and turbidity during coagulation process." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/97196935427220538378.

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碩士<br>逢甲大學<br>環境工程與科學所<br>93<br>The objective of this research was to characterize the effects of chlorine dioxide on organic matter removal, coagulation/sedimentation efficiency, and disinfection by-products (DBP) formation in raw water from the Cheng-Kong reservoir. The tests were processed under the coagulation with the condition of pH=5.5 and 7.0 or the enhance coagulation combined the pre-oxidation by chlorine dioxide with different dosage and reaction time. The removal of DOC and A254 are insignificantly enhanced in raw waters with the addition of chlorine dioxide as the pre-oxidation. T
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20

Pervissian, Atehna. "Investigation of the Effects of Coagulation on Membrane Filtration of Moving Bed Biofilm Reactor Effluent." Thesis, 2010. http://hdl.handle.net/10012/5197.

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The combination of moving bed biofilm reactors and membrane bioreactors (MBBR-MR) can compensate for the drawbacks of both of these systems and further increase their acceptance and application in wastewater treatment industries. Despite the potential benefits of a MBBR-MR technology there has only been limited study of this configuration. The present study consisted of an overall assessment of the performance of a combined MBBR-MR system under high and low loading rates. Since colloidal matter in mixed liquor suspended solid (MLSS) is considered as one of the important contributors to membran
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