Residual Waters |
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Residual waters dispersion options |
various treatment |
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Free flow or sub-surface artificial wetlands |
|
precipitation (0.85 |
oxidation |
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Discharges to water bodies: large tanks, reservoirs, etc. |
|
reduction |
stripping (0.8 |
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Evaporation systems: pounds, lagunas |
disinfection |
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Ground disperses: superficial, aspersion, drop |
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chlorination (0.99 |
ozonization (0.99 |
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recycling by use: agriculture, green ares, aquaculture, non drinkable water |
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chemical destruction |
irradiation (0.99 |
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Recycling by use: industry, recreative lakes or pounds |
to understand according fields conditions |
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subsuperficial disposal: absorption, infiltration, sandbeds |
adapting technique and optimizing processes |
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subsuperficial disposal: infiltration bed, landfill, raised area |
according final desinfection and minimum costs |
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Common outflow waste waters |
Residual waters treatment processes |
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area |
unit |
liters |
pretreatment |
|
|
effectivness |
|
truck/containers area |
/ truck |
470 |
|
sand removalf |
|
|
|
fair area |
/ visitor |
8 |
|
dilaceration |
|
||
theater |
/ seat |
11 |
large element |
removal |
0.9 |
|
|
shop |
/ visitor |
11 |
fat & oils removal |
sedimentation |
0.9 |
|
|
lodge |
/ person |
150 |
Primary treatment |
|
floculation |
0.7 |
|
public room theater |
/ seat |
11 |
solids in suspension |
sediment. |
0.6 |
|
|
hospital |
/ bed |
630 |
|
flotation |
0.8 |
|
|
hospital |
/ employed |
38 |
pH |
neutralization |
0.99 |
|
|
psiquiatric |
/ bed |
380 |
Secundary treatment |
|
aerobic laguna |
0.5 |
|
jail |
/ inmate |
450 |
organic matter |
stabilization pounds |
0.5 |
|
|
asilum |
/ resident |
340 |
|
anaerobic digest |
0.5 |
|
|
primary (& kind. |
/ student |
95 |
|
activated mud |
. 0.6 |
|
|
secundary (intern |
/ student |
280 |
|
microfiltration |
|
|
|
college |
/ student |
42 |
|
biologics disks |
|
|
|
accomodation |
l / unit.day |
250 |
solids in suspension |
floculation |
0.8 |
|
|
hotel |
l / unit.day |
170 |
solids in suspension |
sediment |
.0.6 |
|
|
new house |
l / unit.day |
170 |
terciary treatment |
|
floculation |
0.8 |
|
motel with kitchen |
l / unit.day |
380 |
|
filtration |
0.7 |
|
|
camp |
l / unit.day |
150 |
|
adsorption |
0.3-0.8 |
|
|
airport |
l / unit.day |
11 |
|
ion. Exchanges |
0.9 |
|
|
apartment |
l / unit.day |
190 |
|
destilation |
0.95 |
|
|
bar |
l / unit.day |
60 |
|
inverse osmosis |
0.9 |
|
|
guest house |
l / unit.day |
150 |
|
electrodialysis |
0.95 |
|
|
large warehouse |
/ closets |
1900 |
|
nutrients elimination |
|
|
|
laundary |
/ washing machine |
2100 |
|
congelation |
0.9 |
|
|
office |
/ employed |
50 |
|
extraction |
0.2-0.95 |
|
|
public toilets |
l / unit.day |
20 |
|
incineration |
|
|
|
restaurant |
/ covered |
34 |
|
Residual waters Lagunas Characteristics |
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trade/shop center |
/ employed |
46 |
characteristics |
aerobic |
facul. |
aire&mezcla |
|
Fecal waters characteristics |
aquatic |
secundary |
2o.preliminary |
2o.prelim & post |
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gr oxigen biologic demand |
|
|
needed climate |
calido |
cualquier |
any |
|
suspended material contamination |
|
gr/ inhab.day |
time of retention (d) |
10 - 40 |
25 - 180 |
5 - 20 |
|
Composition of pyrolysis |
|
large |
80 |
Deep (m) |
1 - 1.5 |
1.4 - 4 |
3 - 7 |
1 ton |
urban settlement |
mediums |
70 |
organic rate charge.kg/acd |
18 - 55 |
10 - 30 |
20 - 180 |
residues |
|
small |
60 |
dbo mg/l |
20 - 40 |
30 - 40 |
20 - 40 |
urbans |
suspended solids 70% volatils |
SST mg/l |
80 - 140 |
40 - 100 |
30 - 60 |
||
Gas 500m3 |
various: 0.057 |
Light fats |
Approximate size of septic tanks |
|
|
||
CO2: 0.091 |
H2: 0.378 |
liquid fraction |
2 - 8 person |
2 m3 |
|
|
|
CO: 0.23 |
CH4: 0.244 |
soild residual |
8 - 14 pers. |
3 m3 |
|
|
|
|
|
|
14 - 20 pers |
5m3 |
|
|
|