wastewater purification aerobic granulation in sequencing batch reactors chapter 8 doc

... Shift in Aerobic Granular Sludge SBRs 277 15.4.7 Flow Patterns in Aerobic Granular Sludge SBRs 278 15.4.8 Length of Aerobic Feeding 279 15.5 Propagation Patterns of Filamentous Growth in Aerobic ... Granular Sludge SBRs 280 15.6 Control Strategy for Filamentous Growth 282 15.7 Conclusions 283 References 283 15.1 INTRODUCTION As shown in the preceding chapters, aerobic granulation is a tailored ... treating a wide variety of wastewaters Similar to anaerobic granulation, aerobic granulation is a microbial self-immobilization process that is driven by selection pressures in the sequencing batch

Ngày tải lên: 18/06/2014, 16:20

... explanation without intent to infringe. Library of Congress Cataloging-in-Publication Data Wastewater purification : aerobic granulation in sequencing batch reactors / editor, Yu Liu. p cm. Includes bibliographical ... Group, an informa business Boca Raton London New York Aerobic Granulation in Sequencing Batch Reactors Edited by Yu Liu Wastewater Purification © 2008 by Taylor & Francis Group, LLC © 2008 by ... Chapter 6 Selection Pressure Theory for Aerobic Granulation in Sequencing Batch Reactors 85 Yu Liu and Zhi-Wu Wang Chapter 7 Growth Kinetics of Aerobic Granules 111 Qi-Shan Liu and Yu Liu Chapter

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... mechanical processing such asspinning, weaving, knitting, and garment production, which seem to be insulated from the wettreatment processes like pretreatment, dyeing, printing, and finishing operations, ... optimization of thehandling of rather concentrated liquors, for example, used in sizing, caustic treatment likemercerization, dyeing, finishing processes, or in textile printing processes is the ... pretreatment, dyeing, printing, and finishing, but it alsoincludes upstream processes that may have a significant influence on the environmental impact of textile processing The treatment of all main fiber

Ngày tải lên: 11/08/2014, 18:20

... produced in sequencing batch reactors (SBRs) were a useful ingredient in replacing fishmeal In fact, inclusion of microbial floc increased shrimp growth rates by over 65% (Kuhn et al 2009) Since ... and Environmental Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061, USA *Corresponding author: davekuhn@vt.edu Keywords: sequencing batch reactors, SBR, microbial ... and increased with increasing SRT Trial two resulted in highly variable treatment, ranging from 18 to 80% removals for sCOD while MLVSS concentrations remained less than 200 mg/L Trial three reactors

Ngày tải lên: 27/09/2019, 10:30

... pumped into the SBR tank for 1-3 hours, in a batch reactor, depending on the treatment target, BOD input level: filling - static, filling - mixing, filling - aerating, creating an atmosphere of aerobic ... uncooked meat of infected animals will also be infected Between 1986 and 1988, more than 120,000 people living in China's Xinjiang region were "poisoned" for hepatitis E Even in the United ... phages 13 1.3 Review on wastewater treatment plant 18 1.3.1 State of wastewater treatment plant in the world and in Vietnam 18 1.3.2 Sequencing batch reactor treatment 19 CHAPTER 2 MATERIALS AND

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... prompting and leveraging change, building knowledge, converting intellectual assets into productive use, and learning better together to innovate better Corn-ing is thus able to realize in unique ... to determine the rigor needed at any specific innovation stage, as opposed to the original model, a linear one, in which the main activity was doing everything that the innovation guide indicated ... deeper and quicker learning and enabling greater satisfaction through work By integrating capabilities and competencies and recycling learning, Corning is constantly optimizing the process This

Ngày tải lên: 21/01/2014, 21:20

... also saw a plateauing effect for ampi-cillin, novobiocin, peniampi-cillin, kanamycin, gentamicin, spectinomycin, streptomycin, tylosin, and tetracyclines over a wide range of inhibition (from ... impact the anaerobic biodegradation of other waste constituents in a lagoon Work by Loftin et al (2005) investigated the inhibition of anaerobic biological activity in swine lagoon slurry in lab-scale ... more detail Trang 814.5.1 A NAEROBIC B IODEGRADATIONVery few studies have investigated the biodegradation of antibiotics in anaerobic swine lagoons Anaerobic biodegradation in swine lagoon slurry

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... in demand for installed capacity of power plants by bringing into coincidence the load maxim, reducing the operating reserve, decreasing the reserves for routine main-tenance; ● An increase in ... in demand for installed capacity of power plants by bringing into coincidence the load maxim, reducing the operating reserve, decreasing the reserves for routine main-tenance; ● An increase in ... Exchange in India: Trading, Scheduling, and Real Time Operation Regional Grids Though India opened up its power sector in nineties to private sector investment, initial impact was mainly in the

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... Because of that, the study of the intestinal motility is of great clinical interest 2 Recording of intestinal motility The main problem in monitoring the intestinal activity is the anatomical ... Because of that, the study of the intestinal motility is of great clinical interest 2 Recording of intestinal motility The main problem in monitoring the intestinal activity is the anatomical ... the small intestine contracts, showing the presence and the intensity of the intestinal contraction (Martinez-de-Juan et al 2000; Weisbrodt 1987) The relationship between the intestinal pressure

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... business 5 Transferability of interest How does one go about selling or otherwise transferring one’s ownership of the business? 6 Control Who makes the decisions regarding the operation, financing, ... small business such as those described at the beginning of this Trang 8chapter Also, formation in Delaware (or any state other than the site of thecorporation’s principal place of business) will ... calling the meet-ing, is given a notice of the meeting containing the date, time, and purpose ofthe meeting Such notice must be sent at least 7 to 10 days prior to the date of the meeting depending

Ngày tải lên: 05/07/2014, 13:20

... proceedings by or against the Company, including copies of the material pleading. p All documents relating to issuance of stock, including offering documents and documents relating to reliance on ... being fully utilized? F Meetings with Principal Officers (after reviewing the registration statement but before engaging in a line-by-line discussion of the document) 1 Hold individual meetings ... valued within the investmentcommunity Finally, the team selects two investment-banking firms as managing derwriters A Letter of Intent, outlining the terms of the proposed public of-fering, is then

Ngày tải lên: 05/07/2014, 13:20

... Growth kinetics of aerobic granules developed in sequencing batch reactors Lett Appl Microbiol 38: 106–112 © 20 08 by Taylor & Francis Group, LLC © 20 08 by Taylor 147 53671_C0 08. indd & Francis Group, ... Characterization and evaluation of aerobic granules in a sequencing batch reactor J Biotechnol 105: 71 82 Laspidou, C S 2003 Modeling heterogeneous biofilms including active biomass, inert biomass and extracellular ... the mass diffusion in aerobic granule is not taken into account In order to clarify this point, the COD © 20 08 by Taylor & Francis Group, LLC © 20 08 by Taylor 139 53671_C0 08. indd & Francis Group,...

Ngày tải lên: 18/06/2014, 16:20

... 20 08 by Taylor & Francis Group, LLC © 20 08 by Taylor 124 53671_C007.indd & Francis Group, LLC 10/29/07 7: 18: 31 AM Growth Kinetics of Aerobic Granules 125 occurs in filling, settling, and decanting ... of aerobic granules J Environ Eng 131: 86 –92 Yang, S F., Liu, Q S., Tay, J H., and Liu, Y 2004 Growth kinetics of aerobic granules developed in sequencing batch reactors Lett Appl Microbiol 38: ... oxygen transfer in an aerobic granule-based sequencing batch reactor Biochem Eng J 25: 201–207 Su, K Z and Yu, H Q 2006 A generalized model for aerobic granule-based sequencing batch reactor I...

Ngày tải lên: 18/06/2014, 16:20

... 182 Wastewater Purification Individual bacterium Bridging Polymeric chain of EPS FIGURE 10.1 A schematic interpretation of extracellular polysaccharides in aerobic granulation Forster 1 985 ; ... fill in the intercellular spaces in the microcolonies present in aerobic granules (Jiang, Tay and Tay 2002; McSwain et al 2005) It is most likely that EPS plays an important role in maintaining ... obtained in aerobic granulation, showing that the specific gravity and mechanical strength of aerobic granules increased significantly with increase in the ratio of polysaccharides to proteins...

Ngày tải lên: 18/06/2014, 16:20

... pathway of aerobic granulation, as illustrated in figure 14.9 According to the interpretation by Li, Kuba, and Kusuda (2006), in the beginning, starvation plays an essential role in aerobic granulation, ... present in the © 20 08 by Taylor & Francis Group, LLC © 20 08 by Taylor 244 53671_C014.indd & Francis Group, LLC 10/2/07 2: 18: 38 PM In uence of Starvation on Aerobic Granulation 245 200 180 SVI ... governing factor in aerobic granulation in the SBR As shown in chapter 9, cell surface hydrophobicity plays a crucial role in the formation of biofilm and biogranules In a thermodynamic sense, increased...

Ngày tải lên: 18/06/2014, 16:20

... density of aerobic granular sludge increased linearly with shear force in a sequencing batch biofilter reactor, and a very high biomass density of 70 to 110 g VSS L –1 biomass was obtained in the ... developed in an attachedgrowth reactor Water Sci Technol 29: 281 – 288 Shin, H S., Lim, K H., and Park, H S 1992 Effect of shear stress on granulation in oxygen aerobic upflow sludge bed reactors ... Technological University, Singapore With permission.) 2.2 AEROBIC GRANULATION AT DIFFERENT SHEAR FORCES In a column-type sequencing batch reactor (SBR) commonly employed for cultivation of aerobic granules,...

Ngày tải lên: 18/06/2014, 16:20

... Granulation at Different SBR Cycle Times 45 92 Integrity Coefficient (%) 90 88 86 84 82 80 12 Cycle Time (hours) FIGURE 3.11 Integrity coefficient of sludge cultivated in SBRs run at different cycle times ... cohesion and adhesion of cells and play a crucial role in building and further maintaining structure integrity in a community of immobilized cells (see chapter 10) Figure 3.14 displays the effect of ... successful aerobic granulation REFERENCES Alphenaar, P., Visser, A., and Lettinga, G 1993 The effect of liquid upward velocity and hydraulic retention time on granulation in UASB reactors treating wastewater...

Ngày tải lên: 18/06/2014, 16:20

... settling time on aerobic granulation in sequencing batch reactor Biochem Eng J 21: 47–52 Qin, L., Liu, Y., and Tay, J H 2004b Selection pressure is a driving force of aerobic granulation in sequencing ... 53671_C004.indd & Francis Group, LLC 10/29/07 7:14:42 AM Aerobic Granulation at Different Settling Times 63 aerobic granulation In fact, absence of anaerobic granulation in the UASB reactors was ... settling time is still needed in order to obtain more detailed information 4.10 RATIONALE BEHIND SETTLING TIME-INITIATED AEROBIC GRANULATION Figure 4.3 shows that aerobic granules are dominant...

Ngày tải lên: 18/06/2014, 16:20

... discussed in chapter REFERENCES Arrojo, B., Mosquera-Corral, A., Garrido, J M., and Mendez, R 2004 Aerobic granulation with industrial wastewater in sequencing batch reactors Water Res 38: 3 389 –3399 ... sludge formation in upflow anaerobic sludge blanket (UASB) reactors Biotechnol Bioeng 49: 229–246 Wang, Z.-W 2007 Insights into the mechanism of aerobic granulation in sequencing batch reactor Ph.D ... essential role in aerobic granulation, and a high SBR volume exchange ratio facilitates rapid and successful aerobic granulation in SBR As presented in the preceding chapters, aerobic granules...

Ngày tải lên: 18/06/2014, 16:20

... driving force of aerobic granulation in sequencing batch reactors Process Biochem 39: 579– 584 Qin, L., Liu, Y., and Tay, J H 2004b Effect of settling time on aerobic granulation in sequencing batch ... trigger of aerobic granulation in SBRs 6.4.4 FEEDING STRATEGY McSwain, Irvine, and Wilderer (2004) reported that intermittent feeding is an effective operating strategy for enhancing aerobic granulation ... determine aerobic granulation in an SBR To develop a unified theory for aerobic granulation in SBRs, the role of discharge time in aerobic granulation should be taken into account seriously 6.5 MAIN...

Ngày tải lên: 18/06/2014, 16:20