Waste Management Flashcards
1
Q
Sanitary landfill
A
Land available Trench area ramp Area - 12 inches soil natural depressions Ramp..hilly Trench . 2 3 4 12 Population = 10k Area : 1 acre Temp : 60 in 7 days
2
Q
Compost pit
A
3*5*15 Refuse = 15cm Night soil = 5cm 30cm above + excavated earth Anaerobic 4-6months 60c
3
Q
Burial
A
11.52
200pple for 7 days
4
Q
Bore hole
A
12”
20ft (4-8m)
5-6ppl/yr
5
Q
Dug well
Aka
A
30”
10-12ft
5-6ppl * 5 yrs
Pit latrine
6
Q
SANITARY LATRINE
A
So plate ; 3ft 3ft
Water level 2.5cm
Pipe : 3”3ft
Location : 15m away from water source
7
Q
Septic tank
A
500 gallons Depth : 5-7ft Length : 2x Dist from water surface to top : 1-1.5m Depth of liquid : 1.2m Retention period : 24 hrs
8
Q
Oxidation ditch
Aerated lagoon
A
1 acre
2.5acre
9
Q
Oxidation pond
Aka
A
Redox, we’re stabilisation pond
Sewage lagoons
1-1.5m
22acre 1lakh pop
