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.
References in periodicals archive ?
Kinetics of anaerobic biodegradation of resorcinol catechol and hydroquinone in upflow fixed film-fixed bed reactors, Bioresource Technology 88(1): 69-74.
2001) evaluated the performance of a subsurface-flow wetland (20 feet long, 8 feet wide and 4 feet deep) in treating winery process waste-water flows ranging from 80 to 170 cubic meters per day at organic loads of 600 to 45,000 milligrams COD per liter (mg COD/I), and measured average removal rates of 98% for COD and 97% for total suspended solids (TSS) when combining the constructed wetland with an upflow sand prefilter.
Seed clam, Mercenaria mercenaria, culture in an experimental-scale upflow nursery system.
The development of granular sludge is the key factor for the successful operation of the upflow anaerobic sludge blanket (UASB) reactor [11], [12], and [13].
The indoor AHUs were identical with identical PSC motors, but one system was installed in an upflow configuration, supplying air from ceiling diffusers, and the other was installed in a downflow configuration, supplying air from floor registers.
It means the injected CBA solution moves further away horizontally from the injection site and provides large resistance to bottom-water upflow.
As a beneficiary of Professor Lettinga's Upflow Anaerobic Sludge Blanket ("UASB") technology, Sembcorp Industries currently operates four Expanded Granular Sludge Bed ("EGSB") facilities and is the only company in Singapore to have applied EGSB technology.
employ experts in the field to discuss advanced biological waste treatment processes such as vertical shaft bioreactors, upflow sludge blanket filtration, membrane bioreactors, SBR, nitrification and denitrification.
A new type of upflow microbial fuel cell (UMFC) was devised by a group of researcher in USA (He et al.
Available in upflow and downflow configurations, the Liebert CW chilled water-based computer room air conditioner (CRAC) delivers precision cooling and humidity control matched to the needs of the data center equipment.
have measured pronounced wall peaking of the local void fraction for turbulent bubbly air/water two-phase upflow in a pipe.
The CW has two other water entrances: one originates from swine wastewater treated by Upflow Anaerobic Sludge Blanket (UASB), whose matter is discharged when reactors are switched on; the other originates from rain water discharged from the upper layers of the University premises, in great volume between November and January (Figure 1).