bể uabs 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

... studies utilize either aerobic or anaerobic microbial consortia separately, however the existence of mixed microbiota in oil reservoirs with both aerobic and anaerobic consortia actively participating ... generate an anoxic atmosphere and the beginning of an anaerobic lifecycle following a different microbial arrangement (Figure 1b) The aerobic and anaerobic microorganisms might contribute to a stepwise ... survive in the predominant environment (aerobic and anaerobic) The goal of the present study was to investigate the potential of aerobic bacteria, anaerobic bacteria and mixed consortia obtained...

Ngày tải lên: 20/06/2014, 21:20

... 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

Ngày tải lên: 08/08/2012, 17:20

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Ngày tải lên: 17/08/2012, 09:37

... (Theo Ross and Watten , 1998) B ch y ngang Nư c vào Nư c vào O21 > O22 > O2 O2 O2 O2 Nư c Cross -flow tank M t bên M t trư c (Theo Ross and Watten , 1998) B ch y vòng tròn B hai ng thoát ...

Ngày tải lên: 21/08/2012, 10:49

... thiết bị hỏng hóc, sẵn phương án dự phòng coi chuẩn bị công phu suốt ngày tháng trước đổ sông đổ bể hết Hoặc công tác chuẩn bị hồ sơ dự thầu chẳng hạn, nhiều lỗi nhỏ văn làm chưa chuẩn với form...

Ngày tải lên: 22/08/2012, 21:44

... họa sĩ nghèo tên ChiMai Một hôm lúc ông tập trung tinh thần bên giá vẽ bà vợ ông giặt quần áo bên bể nước Vợ ông giặt quần áo xong, xếp đồ đạc sang bên mệt mỏi vươn vai Đúng lúc ChiMai vô tình vảy...

Ngày tải lên: 22/08/2012, 21:58

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Ngày tải lên: 01/09/2012, 14:34