upflow


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upflow

[′əp‚flō]
(chemistry)
In an ion-exchange unit, an operation in which solutions enter at the bottom of the unit and leave at the top.
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References in periodicals archive ?
Airflow rates measured with high-MERV filters installed in the upflow and downflow system were 7% and 11% lower, respectively, than that with low-MERV filters installed.
The effects of filtration on pressure drop and energy consumption in residential HVAC systems (RP-1299)
(1987) ' and were extended to show that ' in contrast to the bubbly upflow results ' void concentration near the pipe's centerline occurred for turbulent bubbly two-phase air/water downflow in a pipe.
Measurement of turbulent of gas-liquid two-phase flow in a bubble column with a laser velocitymenter
Upflow biological aerated filters for the treatment of flushed swine manure.
Nitrogen removal from agro-industrial wastewater using bioreactors/Remocao de nitrogenio de efluente agroindustrial utilizando biorreatores
Use of upflow sludge blanket (USB) reactor concept for biological wastewater treatment.
The performance of UASB reactors treating high-strength wastewaters
Dunn included UV sterilizers and upflow biofilters placed in the floor.
Water, water everywhere: this aquascape gives the illusion of connected bodies of water
A year ago, in unpublished research, Angenent combined the "upflow" system used in methane digesters with the MFC technology to eliminate the need for mechanical pumping and mixing.
Microbe power!
Louis (WUSTL) recently reported that university researchers have developed a variant of a microbial fuel cell, dubbed an "upflow microbial fuel cell," which they believe could eventually be used as a local power source.
WUSTL Researchers Develop 'Upflow' Microbial Fuel Cell
STORMWATER TREATMENT AT CRITICAL SOURCE AREAS USING UPFLOW FILTERS.
Engineering and Computer Science
The salts brought into soils of the Subdivision by capillary upflow through irrigation, and rainfall during cropping season would be 122.85 and 202.30 thousand tons for both the scenarios, SCN1 and SCN2 respectively.
Net gains from conjunctive use of surface and ground water
We conducted a laboratory scale feasibility study on the anaerobic treatment of spent pulping liquor effluent in upflow anaerobic sludge bed reactors.
Biodegradation of spent pulping liquor lignins under mesophilic and thermophilic anaerobic conditions
The leachate is also a function of the upflow of groundwater or perched water in different parts of the landscape.
Seasonal changes in hydrochemistry along a toposequence of texture-contrast soils
The paper examines the use of upflow anaerobic sludge blanket (UASB) reactor in the treatment of high strength wastewater containing tetrachloroethylene or perchloroethylene (PCE).
APPLICATIONS OF SCIENCE IN THE ENVIRONMENT 2:00 PM SATURDAY, MARCH 31, 2001 KOLENBRANDER-HARTER ROOM 002 ROBERT VERTREES-PRESIDING

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