Results 131 to 140 of about 23,125 (181)
Design of the UASB and biogas upgrade
D3.1 is implemented within the activities of T3.1. The deliverable will comprise the detailed design methodology of the upflow anaerobic sludge blanket, including sizing, electrical connections and preliminary control manoeuvres. It will include the technical description with methodology including a section on the benefits and limitations of the ...
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Controlling Cod in an UASB Reactor
Instrumentation viewpoint, 2006 Muñoz, Rafael +2 more
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Water Science and Technology, 2004 The performance of an upflow anaerobic sludge blanket (UASB) reactor and a hybrid UASB-filter reactor was investigated and compared for the treatment of domestic wastewater at different operational temperatures (28, 20, 14 and 10¡C) and loading rates. For each temperature studied a constant CODt removal was observed as long as the upflow velocity was ...
Michal Green
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Anaerobic sewage treatment in a one-stage UASB reactor and a combined UASB-Digester system
Water Research, 2004The treatment of sewage at 15 degrees C was investigated in a one-stage upflow anaerobic sludge blanket (UASB) reactor and a UASB-Digester system. The latter consists of a UASB reactor complemented with a digester for mutual sewage treatment and sludge stabilisation.
Grietje Zeeman, Gatze Lettinga
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High strength sewage treatment in a UASB reactor and an integrated UASB-digester system
Bioresource Technology, 2008The treatment of high strength sewage was investigated in a one-stage upflow anaerobic sludge blanket (UASB) reactor and a UASB-digester system. The one-stage UASB reactor was operated in Palestine at a hydraulic retention time (HRT) of 10h and at ambient air temperature for a period of more than a year in order to asses the system response to the ...
Nidal Mahmoud
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UASB-Process Design for Various Types of Wastewaters
Water Science and Technology, 1991 In this paper the design of UASB-reactors is discussed for different types of wastewater, viz. industrial soluble non-complex wastewaters, SS-rich complex wastewaters and domestic sewage. The paper not only deals with the UASB-reactor design, but also with other treatment steps, pre- as well as post-treatment, that are required for as complete as ...
Gatze Lettinga, L W Hulshoff Pol
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Treatment of Brewery Effluent by UASB Process
Journal of Environmental Engineering, 1990A five-month pilot study was conducted to examine the effectiveness of the upflow anaerobic sludge blanket (UASB) process for the treatment of effluent from a brewery in rural China. Results indicate that the process operated at 26°C could reduce over 89% of chemical oxygen demand (COD) and 92% of five-day biochemical oxygen demand (BOD\d5) from the ...
Fang, Herbert HP +4 more
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Histological Analysis of Microstructure of UASB Granules
Journal of Environmental Engineering, 1994A histological method was demonstrated for the microscopic analysis of granules from upflow-anaerobic-sludge-blanket (UASB) reactors. Granules were first fixed with formaldehyde and embedded in paraffin, before being sectioned by a microtone to a thickness of 3–5 pm.
Chui, HK, Fang, HHP
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Study on hydrogen production with hysteresis in UASB
Chemosphere, 2004This paper uses a 10-l UASB (upflow anaerobic sludge blanket) bench-scale reactor to treat the esterification wastewater of a polyethylene terephthalate manufacturing plant. Two organic loading rates are used to evaluate the effect on H2 production of temperature gradually step-down and step-up in the range of 11-25 degrees C. Experimental results show
G H, Huang +3 more
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