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BOARD EXAM > AS AGRICULTURAL LIQUID WASTE > Flashcards

AS AGRICULTURAL LIQUID WASTE Flashcards

1
Q

requires free oxygen

A

aerobic

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2
Q

consist of liquid waste and slurry resulting from the production of livestock and poultry; and
processing of crops, livestock and poultry

A

agricultural liquid waste

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3
Q

presence of free oxygen is not required

A

anaerobic

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4
Q

runoff not contaminated with manure such as runoff from roofs, grassed areas, drives and
other areas which are not animal alleys

A

clean runoff

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5
Q

process of killing all pathogenic microorganisms

A

disinfection

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6
Q

part of total solids passing through the filter in a filtration procedure

A

dissolved solids

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7
Q

liquid waste, partially or completely treated, flowing out of a reservoir, basin, or wastewater
treatment plant

A

effluent

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8
Q

lagoons that can function as aerobic or anaerobic depending on the environment

A

facultative lagoons

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9
Q

part of total solids remaining after volatile gases driven off at 600o
C

A

fixed solids

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10
Q

non-biodegradable component of liquid waste composed of sand, gravel, cinders or other
heavy solid materials

A

grit

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11
Q

storage where liquid waste is stored before final disposal

A

holding pond

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12
Q

liquid that flows into a containing space

A

influent

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13
Q

pit in the ground where liquid waste is stored to produce a higher quality effluent

A

lagoon

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14
Q

system of clay layers and/or geosynthetic membranes used to contain leachate and reduce or
prevent contaminant flow to groundwater

A

liners

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15
Q

rainfall containing animal manure

A

lot runoff

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16
Q

accumulated moist animal excrement that does not undergo decomposition or drying; it
include feces and urine which may be mixed with bedding material, spilled feed or soil

A

manure

17
Q

microorganism capable of causing diseases

A

pathogenic microorganism

18
Q

treatment that causes substances in liquid waste to readily settle or float

A

primary treatment

19
Q

treatment used to convert dissolved or suspended materials into a form more readily
separated from the liquid waste being treated

A

secondary treatment

20
Q

precipitate resulting from coagulation or sedimentation of liquid waste

A

sludge

21
Q

watery mixture of insoluble solid

A

slurry

22
Q

solids removed by filtration

A

suspended solids

23
Q

residue remaining after water is removed from waste material by evaporation

A

total solids

24
Q

part of total solids driven off as volatile gases when heated to 600o
C

A

volatile solids

25
Q

quantity of oxygen needed to satisfy biochemical oxidation of organic matter in waste sample
in 5 days at 20o
C

A

5-day Bio-Chemical Oxygen Demand (BOD5 )

BOARD EXAM (15 decks)

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