AE2 |
E2-acetate |
BOD5 |
Biochemical Oxygen Demand during 5-days test |
COD |
Chemical Oxygen Demand |
CS |
Concentration of a compound in the solid phase (i.e. sludge) |
CW |
Concentration of a compound in the water phase |
DEPA |
Danish Environmental Protection Agency |
DFU |
Danish University of Pharmaceutical Sciences |
DS |
Dry Solids |
E1 |
Estrone (natural steroid hormone, metabolite of E2) |
E1-3Glu |
Estrone conjugated with glucuronic acid at the 3-hydroxy position |
E1-3Sul |
Estrone conjugates with sulphate at the 3-hydroxy position |
E2 |
17β-estradiol (natural steroid hormone) |
E3 |
Estriol (natural steroid hormone, metabolite of E2) |
EE2 |
17α-ethinylestradiol (artificial steroid hormone) |
EEQ |
E2 Estrogenicity Equivalents |
HRT |
Hydraulic Retention Time |
k |
Reaction rate constant (for the degradation of estrogens) |
Kd |
Equilibrium constant i.e. the observed distribution ratio of a compound between solid and water phase at equilibrium |
KF |
The Freundlich equilibrium constant (the equilibrium constant in the Freundich equation describing the adsorption process) |
KOW |
The equilibrium constant describing the distribution ratio of a compound between n-octanol and water at equilibrium. |
LC |
Liquid Chromatograph/Liquid Chromatography |
LOEC |
Lowest Observed Effect Concentration |
MeEE2 |
Methyl-EE2 |
MLSS |
Mixed Liquid Suspended Solids |
MS |
Mass Spectrometer/Mass Spectrometry |
N |
Nitrogen |
NERI |
National Environmental research Institute (of Denmark) |
NPO |
Nitrogen, Phosphorus and Organic matter |
O |
Oxygen |
P |
Phosphorus |
PE |
Person Equivalents (= 60 gram of BOD5 per day) |
RESS |
Removal of Excess Suspended Solids |
SPE |
Solid Phase Extraction |
SRT |
Sludge Retention Time |
SS |
Suspended Solids |
STP |
Sewage Treatment Plant |
T½ |
Half-life i.e. the time it takes to remove/degrade 50% of the start concentration of a compound |
TS |
Total Solids |
VMP |
VandMiljøPlan (Water Environment Action Plan) |
VSS |
Volatile Suspended Solids |