bacteria bed

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bacteria bed

n
(Environmental Science) a layer of sand or gravel used to expose sewage effluent, in its final stages, to air and the action of microorganisms. Compare filter bed1
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun1.bacteria bed - layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
filter - device that removes something from whatever passes through it
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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Similar results were obtained by Ramadan, whose results reached 98.05% removal of total suspended solids (TSS) using nonconventional sand filters (Ti[O.sub.2] was added to the sand filter) in reducing pollutants from wastewater [41].
Pretreatment of Real Wastewater from the Chocolate Manufacturing Industry through an Integrated Process of Electrocoagulation and Sand Filtration
The works generally focus on Primary treatment (Screening, Equalization tank) Secondary treatment-I (Gravel filter, Sand filter) Secondary treatment-II Broken brick, Charcoal, Chlorination).
Assessment of Grey water quality by using modified sand filter
The effect of media bed characteristics and internal auxiliary elements on sand filter head loss.
Assessment methodology of backwash in pressurized sand filters/Metodologia de avaliacao do processo de retrolavagem em filtros de areia pressurizados
Lab-scale sand filter was used to remove the physical and other pollutants from the used ablution water.
Treatment of used ablution water from IIUM masjid for reuse
Secondary effluent was pumped by submersible sewage pump to raw water tank, it flowed into inclined tube settler after being mixed with chemicals and then flowed into ozone contact column, and finally the effluent of ozone contact column flowed into sand filter column and active carbon column.
Research on phthalic acid esters removal and its health risk evaluation by combined process for secondary effluent of wastewater treatment plant
The HiPAF system, working in conjunction with a tertiary sand filter, produces treated effluent with Biological Oxygen Demand (BOD) level sub 10mg/l and Suspended Solids (SS) level sub 10mg/l.
New Wastewater Treatment Solutions for Libya Hospital
Ambrugey's sand filter technology uses a chemical pretreatment scheme using ferric chloride and a pH buffer added to the water.
Inexpensive chemicals to be part of new clean water solution
Comparatively, a 3,000 gpm sand filter system would conservatively offer 200 square feet of filter area.
Re-generating excitement: why indoor waterpark operators are so enthusiastic about regenerative media filter technology--and why you should be, too
If your facility has a surface sand filter as part of its wastewater treatment scheme, this may be an option.
Building principles: environmentally sound (or does it just "sound good"?)
They are: a shallow pressurized trench system, an intermittent sand filter followed by drip irrigation, a pressurized sand-lined bed and a proprietary aerobic treatment unit followed by drip irrigation.
Comparing Sewage Systems: Study determines best domestic system for reducing nitrogen

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