aerobic granulation in sequencing batch reactors

... 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 ... mechanism of aerobic granulation in sequencing batch reactor (SBR) and its application in treating a wide variety of municipal and industrial wastewater Obviously, the basic research of aerobic granulation ... 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 8 Diffusion of Substrate and Oxygen in Aerobic

Ngày tải lên: 18/06/2014, 16:20

... and Environmental Engineering Virginia Polytechnic Institute and State University Blacksburg, VA 24061, USA *Corresponding author: davekuhn@vt.edu Keywords: sequencing batch reactors, SBR, microbial ... 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 this previous ... proteins (e.g., yeast-based proteins) are also replacing fish and seafood proteins originally used in aquaculture diets (McLean et al 2006, Lunger et al., 2007; Fraser and Davies, 2009) Implementing

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 ... people and infected people, such as sharing eating habits, sleeping, grasping supplies used by people who carry the disease or using the same ingested or contaminated by Trang 146 norovirus In the ... of settling phase if the amount of sludge in the tank is too high This stage is very important in keeping the tank running continuously, partly in the sludge tank, partially circulating in the

Ngày tải lên: 17/03/2021, 08:54

... since batch reactors are often subject to large disturbances (caused by,e.g., incorrect reactor loading, fouling of internal heat exchange systems, non-ideal mixing), modeling uncertainties, incomplete ... mixing Nevertheless, when the PFR is described in the Eulerian mode, it appears as made of infinitesimal reaction volumes, dV , behaving as dif-ferential batch reactors, since they remain in ... resolved when dealing with batch reactors inindustrial applications, ranging from design and planning of the plant to schedul-ing, optimization, and performance achievement of batch operations

Ngày tải lên: 01/04/2014, 10:59

... predominant gram-negative bacteria in Bloodstream Infections (BSI), Urinary Tract Infections (UTI), Respiratory Tract Infections (RTI), Gastro-Intestinal Tract Infections (GITI), and Skin Infections ... gram-negative bacteria in Bloodstream Infections (BSI), Urinary Tract Infections (UTI), Respiratory Tract Infections (RTI), Gastro-Intestinal Tract Infections (GITI), and Skin Infections (SI) of ... Tract Infections, GITI = Gastro-Intestinal Tract Infections, SI = Skin Infections, BSI = Blood Stream Infections, UTI = Urinary Tract Infections Trang 7Table 4: The spectrum of predominant

Ngày tải lên: 18/06/2014, 15:20

... aerobic granulation in a sequencing batch. .. in sequencing batch reators, Lett Appl Microbiol 38, 106-112, (2004) [23] Yong L, Liu Y, Shen Liang, Feng Chen DO diffusion profile in aerobic granule ... characteristics of aerobic granules in sequencing batch reactor by seeding anaerobic granules, Process Biochemistry 40, 1-7 (2005) [9] Liu Y, Liu Qi-Shan Causes and control of filamentous growth in aerobic ... Aerobic granular sludge, SBAR, Granulation, Bulking sludge [...]... aerobic granules in sequencing batch reactor, Joural Biotechnol 105, 71-82, (2003) [8] Linlin H, Jianlong W, Xianghua

Ngày tải lên: 27/06/2014, 12:20

... training protocol was at least (on average) 40% of maxHR or if the training protocol included exercise involving at least one-sixth of the skeletal muscles (for example, walk-ing, runnwalk-ing, ... different types of AE were included Two authors independently extracted articles using predefined data fields, including study quality indicators. Results: Twenty-eight RCTs comparing AE with controls ... runnwalk-ing, bikwalk-ing, aerobics, vibrations) At least 50% of the training session should consist of AE In the case of mixed exercise, defined as a combination of AE with stretching and/or muscle

Ngày tải lên: 12/08/2014, 12:20

... gia TP Hồ Chí Minh Lâm Minh Triết, 2006 Kỹ thuật môi trường NXB Đại học quốc gia, TP HCM Lâm Minh Triết, 2008 Xử lý nước thải đô thị và công nghiệp NXB Đại học quốc gia TP Hồ Chí Minh Tổng cục ... CÔNG NGHỆ - MÔI TRƯỜNG TRẦN THỊ VÀNG XÂY DỰNG MÔ HÌNH BỂ AEROTANK HOẠT ĐỘNG THEO MẺ (SBR – SEQUENCING BATCH REACTOR) XỬ LÝ NƯỚC THẢI THỦY SẢN CỦA CÔNG TY CỔ PHẦN VIỆT AN KHÓA LUẬN TỐT NGHIỆP ... CÔNG NGHỆ - MÔI TRƯỜNG TRẦN THỊ VÀNG XÂY DỰNG MÔ HÌNH BỂ AEROTANK HOẠT ĐỘNG THEO MẺ (SBR – SEQUENCING BATCH REACTOR) XỬ LÝ NƯỚC THẢI THỦY SẢN CỦA CÔNG TY CỔ PHẦN VIỆT AN KHÓA LUẬN TỐT NGHIỆP

Ngày tải lên: 08/03/2015, 18:47

... for Hemoglobin F levels to very low for autism Since finding variants that explain the remaining phenotype variability will improve our understanding of the role of genetic factors in complex ... methodology of collapsing within a region by introducing Combined Multivariate and Collapsing (CMC) method In the CMC approach rare variants are collapsed within groups defined, for example, by ... variable, or a super-locus In general, the collapsed variable may be defined in another way, for example, as a number of rare minor alleles within a region of interest an individual carries: 𝐶𝑖 =

Ngày tải lên: 09/09/2015, 11:12

... : Tỷ lệ thức ăn/vi sinh vật GAO : Vi sinh vật tích lũy Glycogen HRT : Thời gian lưu nước MBR : Bể lọc sinh học bằng màng MLSS : Nồng độ sinh khối lơ lửng MLVSS : Nồng độ sinh khối lơ lửng bay ... trên mô hình SBR (sequencing batch reactor) đối với nước thải tinh bột mì Từ đó làm cơ sở cho việc phát triển các công nghệ sử dụng bùn hạt hiếu khí vào việc xử lý nước thải tinh bột mì quy mô ... Long Tapioca 3 Tây Ninh Tapioca Co, tỉnh Tây Ninh 4 Toàn Năng Tapioca Co, tỉnh Tây Ninh 5 Tân Châu Tapioca Co, tỉnh Tây Ninh Bảng 1.2: Thành phần và tính chất nước thải tinh bột mì[11] Chỉ tiêu

Ngày tải lên: 22/12/2017, 10:23

... ‘isotropic coke’ crushed into fine particles and then produce blocks using ‘isostatic molding’ process The isostatic molding method involves loading the fine-grained coke binder mixture into a rubber bag ... difficult to install in a reactor and results are obtained only for one specimen The final type of experiment is the in-pile rig loading using a string of samples and usually taking advantage ... reflector blocks in both Japan and China However, even these grades exhibit slight anisotropy The final polycrystalline product contains many long ‘thin’ (and not so ‘thin’) microcracks within the crystallite

Ngày tải lên: 03/01/2018, 17:08

... 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 ... conditions present in the SBR As shear force has an important role in aerobic granulation and granule stability, a minimum shear force seems necessary for aerobic granulation It should be pointed out ... 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

... would result in the lowest selection pressure As a result, no nitrifying granulation was observed in the SBR run at the cycle time of 24 hours In fact, the absence of anaerobic granulation was ... mediate both 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 ... leading to improved bacterial attachment to solid surfaces (Schmidt and Ahring 1996) In fact, extracellular polysaccharides are the key bounding material that interconnects individual cells into...

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

... 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 ... different selection pressures in terms of minimum settling velocity of 0.6 and 0.7 m h–1 Even such a marginal difference in the minimum settling velocity could also result in distinct morphologies of ... exchange ratio in aerobic granulation in SBRs can be reasonably interpreted by the concept of minimum settling velocity, while the mechanism by which discharge time can influence aerobic granulation...

Ngày tải lên: 18/06/2014, 16:20

... 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 ... 2004b Effect of settling time on aerobic granulation in sequencing batch reactor Biochem Eng J 21: 47–52 Renko, E K 1998 Modelling hindered batch settling II A model for computing solids profile...

Ngày tải lên: 18/06/2014, 16:20

... 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 ... the formation 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 ... is generated in activated sludge culture In fact, abnormally high carbon dioxide production is a good indication of energy uncoupling in aerobic systems (Russell and Cook 1995) In a study on...

Ngày tải lên: 18/06/2014, 16:20

... the increase in the size of aerobic granules, indicating that the microbial activity inside aerobic granules is inhibited as the granule size increases Moreover, the specific growth rate of aerobic ... 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 ... substrate and oxygen in aerobic granule Biochem Eng J 27: 45–52 Liu, Q S 2003 Aerobic granulation in a sequencing batch reactor Ph.D thesis, Nanyang Technological University, Singapore Liu, Y and...

Ngày tải lên: 18/06/2014, 16:20

... 2004 Selection pressure is a driving force of aerobic granulation in sequencing batch reactors Process Biochem 39: 579–584 Quarmby, J and Forster, C F 1995 An examination of the structure of UASB ... charge along with aerobic granulation in an SBR (Data from Li, Z H., Kuba, T., and Kusuda, T 2006 Enzyme Microb Technol 38: 670–674.) leading to aerobic granulation In fact, an inverse proportional ... To date, aerobic granulation phenomena have been observed only in SBRs, while no successful example of aerobic granulation has been reported in continuous culture Compared to a continuous culture,...

Ngày tải lên: 18/06/2014, 16:20

... 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 ... (VSS) in seed sludge to 51.4 and 5.9 mg g–1 VSS in aerobic granular sludge These results seem to imply that EPS are not involved in aerobic granulation in this special case, but the reason behind ... Iaconi et al (2006) reported that the main component of EPS in aerobic granular biomass in a sequencing batch biofilter reactor was made of proteins, and proteinrich EPS would improve the stability...

Ngày tải lên: 18/06/2014, 16:20