wastewater Flashcards
sewage
poop
sewerage
poop system
sewer
pipe line
STP
sewage treatment plant
CGS
conventional gravity system
adv low op cost
no machinery
everything removed
disdv
higher capital and construciton
CED
common effluent disposal
adv
smaller pipes, closer to surface, reduced load, reduced peak
disadv
septic tank must be maintained
VGS
similar to CED
need pumps for low height properties
STEP
septic tank effluent pumping
like ced but need lots of pumps
GP
gridner pumps, just pressured mains,
everything removed from site
lots of pumps, septic effluent
VS
vacuum system, same as GP but may have vacuum odour.
how to avoid short circuiting in wsp
inlets against wind
flat booty
when are stub baffles good
in small ponds
some WSP variations
mutliple maturation ponds in series
AIPS (advanced integrated pond system)
faculative ponds
what concentration can it reach by four ponds inseries
what helps to destroy pathogens in these ponds
sun ph retention time DO temp predation settlement
