upward flow anaerobic sludge blanket

... listed in Table 2.3 Seed sludge The sludge used for the present experiment was collected from the anaerobic pond, due to its contents of anaerobic microbial life [8] On these, sludge was obtained ... experimental setup is conclusively described in Figure Three laboratory scale Hybrid up -flow anaerobic sludge blanket HUASB reactors were employed in this assay to provide more than one comparison ... Hazardous Materials 2008;153:843–851 [5] Ozatijrk I, Eroglu V, Ubay G, Demir I Hybrid upflow anaerobic sludgeblanket reactor (HUASBR) treatment of dairy effluents Wat Sci Tech 1993;28(2):77 - 85...

Ngày tải lên: 05/09/2013, 16:11

... Overflow weir GLS separator Direction of flow Anaerobic Reaction column Anaerobic Sludge Blanket Influent Anaerobic granules Figure 2: A typical UASB reactor One of the other features of this anaerobic ... Compared to other anaerobic technologies such as the Anaerobic Sequencing Batch Reactor (ANSBR) and Anaerobic Filter (AF), the Upflow Anaerobic Sludge Blanket (UASB) reactor developed by G Lettinga ... determine the microbial community in the anaerobic granule 172 REFERENCES 173 vii SUMMARY The performance of the Upflow Anaerobic Sludge Blanket (UASB) technology was studied...

Ngày tải lên: 28/11/2015, 13:44

... Nghiên cứu hiệu xử lý nước rỉ rác mô hình công nghệ sinh học kết hợp lọc ngược bùn sinh học (Upflow Sludge Blanket Filtration – USBF) Các liệu ban đầu : Nghiên cứu hiệu xử lý COD, N – NH , N – NO -, ... toán đặt thời gian gần Mô hình công nghệ sinh học kết hợp lọc dòng ngược bùn sinh học (Upflow Sludge Blanket Filter - USBF)xử lý nước thải công nghệ cải tiến trình bùn hoạt tính có kết hợp trình ... Nghiên cứu hiệu xử lý nước rỉ rác mô hình công nghệ sinh học kết hợp lọc ngược bùn sinh học (Upflow Sludge Blanket Filtration – USBF)” hình thành, với mong muốn nghiên cứu tìm phương pháp xử lý nước...

Ngày tải lên: 26/04/2014, 12:02

... processes to the anaerobic and oxic tanks Influent Effluent Anaerobic tank Oxic tank Anoxic tank Sludge return Phosphorus adsorption column Ozonation process Effluent Influent Anaerobic tank Oxic ... treatment of excess sludge may account for as much as 25% to 65% of total plant operating costs (Liu, 2003) One method to reduce excess sludge is solubilization of the excess sludge by using ozone, ... and sludge from the anoxic tank were mixed in a turbulent flow by a turbine pump (Nikuni swirling current pump M15NPD02S; Nikuni Co., Japan), and then the mixture of microbubble ozone and sludge...

Ngày tải lên: 05/09/2013, 09:38

... same way They were then subjected to the MAR-FISH analysis Batch experiment with activated sludge Activated sludge samples were obtained from a full-scale wastewater treatment plant in October 2006 ... conducted in triplicate As control, activated sludge mixed liquor treated at 70oC for 10 was also incubated with the same substrate The activated sludge was collected after the incubation, and ... them Fig Results of the first experiment performed with sludge sampled in October 2006 Fig Results of the second experiment performed with sludge sampled in December 2006 - 220 - Journal of Water...

Ngày tải lên: 05/09/2013, 09:38

... Vertical sectional view 4.7cm 13cm 20cm Sludge settling zone 25cm 5cm Effective volume: 7.5L Gas flow Liquid flow Sludge settling zone Effluent discharge (Continuous flow mode) Effluent discharge (Sequencing ... aerobic granular sludge in a continuous experiment In addition, the effect of feeding pattern, i.e continuous flow and sequencing batch flow modes, on the formation of aerobic granular sludge was investigated ... to successful formation of aerobic granular sludge in an SBR (Li and Li, 2009) Sludge settling time is known as an important factor influencing the sludge selection in an SBR (McSwain et al.,...

Ngày tải lên: 05/09/2013, 10:15

... MH Flow pattern visualization in a mimic anaerobic digester using CFD Biotechnol Bioeng 2005 89:719–732 [8] Vesvikar MS, Varma R, Karim K, Al-Dahhan MH Flow pattern visualization in a mimic anaerobic ... recirculation) on the anaerobic digestion of animal waste for lab-scale digesters Binxin Wu [13] implemented a CFD model to predict the fields of flow in a mixing of an anaerobic digester, considering ... removal of sludge is done by the fund, through a set of valves and there is also a shot at half height for sludge extraction led to the secondary digester The agitation system of the sludge is...

Ngày tải lên: 05/09/2013, 14:59

... sewage sludge which are effect on transporting and bleaching of heavy metal from sewage sludge In which, it is necessary to pay more attention to heavy metal mobilization mechanisms in sewage sludge ... Removal of heavy metals from anaerobiccally digested about municipal sewage sludge Base on collected data to build suitable releasing heary metals method in treatment sewage sludge by a new chemical ... comes from market Municipal sewage sludge was removed inert Material and methods substances such as bridges, stones, special solid waste after collection The sewage sludge has 2.1 Pilot equipment...

Ngày tải lên: 24/06/2015, 08:16

... to study PAHs in the municipal sewage sludge In recent year, the anaerobic digestion of PAHs compounds in sewage sludge was paid more attention when the anaerobic method was applied like solution ... concentration in the sludge and strongly relative to partition-coefficient of PAHs between water phase and sludge phase Therefore, sewage sludge is pre-treated by heat or ozone before anaerobic decomposition ... total PAHs in sewage sludge from 54% to 60% Study the effect of nonionic surfactant (Tween 80) on decomposition of PAHs compounds in thermophilic anaerobic codigestion of sludge from Kim Nguu...

Ngày tải lên: 24/06/2015, 08:16

... to study PAHs in the municipal sewage sludge In recent year, the anaerobic digestion of PAHs compounds in sewage sludge was paid more attention when the anaerobic method was applied like solution ... concentration in the sludge and strongly relative to partition-coefficient of PAHs between water phase and sludge phase Therefore, sewage sludge is pre-treated by heat or ozone before anaerobic decomposition ... to study PAHs in the municipal sewage sludge In recent year, the anaerobic digestion of PAHs compounds in sewage sludge was paid more attention when the anaerobic method was applied like solution...

Ngày tải lên: 19/02/2017, 18:54

... Pearson Addison-Wesley Slide 3- Flow Of Control  Flow of control refers to the order in which program statements are performed  We have seen the following ways to specify flow of control     if-else-statements ... Chapter More Flow of Control Copyright © 2007 Pearson Education, Inc Publishing as Pearson Addison-Wesley Overview...

Ngày tải lên: 12/09/2012, 22:47

... sludge mixture was governed by readsorption during extractions During the sludge composting process the organic matter in the sludge is humified causing variation in metal speciation in the sludge ... fraction in the sludge and the compost mixture (Fig 11) There was a shift in metal speciation to become more available when the sludge was mixed with the sawdust a n d recycled sludge compost, ... sewage sludge through complex formation Simeoni et al (1984) also found that the composting of sludge decreased the Pb mobility and plant availability The changes of Pb speciation in red mud sludge...

Ngày tải lên: 23/09/2012, 14:47

... the ovarian artery might be the major contributor of blood flow to the uterus In this study, 3D CT scans also showed sufficient blood flow to the uterine body through both ovarian arteries, the ... half of the supplying arteries are cut after vaginal RT Sieunarine et al reported that the blood flow reduction after ovarian artery ligation was http://www.medsci.org Int J Med Sci 2010, more ... and a new network of vessels No difference between the patients could be detected for the blood flow distribution Are these networks of new vessels sufficient for the maintenance of pregnancy?...

Ngày tải lên: 25/10/2012, 11:48

... viability and the cell cycle distribution were determined by DNA flow cytometry Flow cytometric analyses were performed using a PAS II flow cytometer (Partec, Munster/Germany) equipped with mercury ... viability and apoptotic cells were assessed by flow cytometry with propidium iodide (PI)-method For detection of apoptotic cells and viability a FACS Calibur flow cytometer (Becton Dickinson Cytometry ... decisions High resolution flow cytometry is an appropriate tool not restricted to the monitoring of the therapeutic effect DNA aneuploidy, as determined with high-resolution flow cytometry, has been...

Ngày tải lên: 26/10/2012, 09:48

... u C uniform flow = = = E gd r e d i ph g i ph ew v u i ph K - correction factors d = f g (u+ k ) hm d = g non-uniform flow = f (u,k) (?) g u K , or C e gfd t g d = uniform flow = f () ... Stone entrainment rate data 3.6.3 Correlation analysis Flow characteristics 4.1 Introduction 4.2 Flow quantities 4.3 Shear velocity 4.4 Mean ... stone entrainment using numerical ow modeling 6.1 Introduction 6.2 Flow conditions 6.3 Numerical model set-up 6.3.1...

Ngày tải lên: 07/11/2012, 11:04

... owned them! One day, there is a powerful rainstorm! It lasts days! The rain turns into a big river flowing by Buffy’s farm She moves her cows to higher ground But she slips and hits her head on a...

Ngày tải lên: 25/08/2013, 18:13

... respectively, and rotating speed was set equivalent to 3500 r.p.m from high speed rotary disk sludge 200φ Pump sludge tank flow meter 100φ unit: mm input output output 3500r.p.m high speed rotary disk to ... apparatus used in this study is shown in Fig.1 Different concentrations of sludge were processed the experiments The sludge samples (10L each) were input at the inlet of fixed upper disk The samples ... This paper describes the solubilization of excess sludge by high speed rotary disk process This method is a kind of physical treatment The excess sludge from final sedimentation tank in wastewater...

Ngày tải lên: 05/09/2013, 08:40

... sewage sludge or sewage sludge/ food waste codigestion, sewage sludge will be the important source for hydrogen production due to its amounts Thus, in this work, food waste and sewage sludge were ... and sewage sludge, representing typical Korean food waste and sewage sludge Food waste, sampled from a dining hall, was crushed by an electrical blender under anaerobic condition Sewage sludge was ... F., 2000 Dual anaerobic co-digestion of sewage sludge and confectionery waste, Bioresource Technol., 71, 77-82 Lay, J.-J., 2000 Modeling and optimization of anaerobic digested sludge converting...

Ngày tải lên: 05/09/2013, 08:40

... 3,5-DCP in activated sludge was determined supernatant by centrifugation (8,000 rpm, 20 minutes) The adsorption Activated sludge with PAC was separated from From 100 to 200 mg of the sludge were added ... of activated sludge from the sedimentation tank The aeration and sedimentation tanks had working volumes of 2.5 L and 0.2 L, respectively Higashi-Hiroshima, Japan The activated sludge was obtained ... 3,5-DCP adsorbed on PAC was determined After The adsorption capacity of the sludge without PAC was also evaluated using the sludge in the control reactor PAC was placed into a bag of dialysis membrane...

Ngày tải lên: 05/09/2013, 08:40

... fermentation Anaerobic treatment process Excess Sludge Sludge solubilization by subcritical water Influent Subcritical water process Phosphate recovery on crystallization MAP process Solubilized sludge ... Phosphate recovery on crystallization MAP process Solubilized sludge MAP recovery Figure Flowchart of sludge- reducing wastewater treatment process combined with resource recovery P ressure（M ... Three-phase diagram and saturated vapor pressure curve of water Mechanism of sludge solubilization Various organic components of sludge are decomposed (mainly hydrolyzed) and oxidized during subcritical...

Ngày tải lên: 05/09/2013, 09:08